Roger, the youngest of the Johnson/Sedgwick offspring, as all his siblings, was born on the Johnson farm, the "Brewhouse" on St. Leonard Creek in Calvert County, extant today, and later moved to Frederick County as a young man.
He was later noted as engaging with other family members in iron and glass making in Frederick County and from one furnace providing cannon shot, ammunition, and repairing arms for the Continental Army.
During the Revolution he was a major serving in his brother, Colonel James Johnson's, battalion. He and Elizabeth married afterwards in then Frederick Town, Frederick County, Maryland on 4 Feb 1781.
Various sources indicate Roger was somewhat of an entrepreneur in his lifetime, and aside from foundries, glassworks, and property owned in Frederick County, he purchased additional investment property in Washington, DC in 1809 which included Columbia Mill on Rock Creek. This property, at least a portion of it, was referred to as "Petty Prospect", and as other properties owned by Roger, was given over to another son, George Johnson, for running of the mill and as a residence. Roger is the most likely candidate for the building between 1810 and 1814 of what is now referred to as the "Holt House", still extant, on that property, now part of the National Zoo. George, whose dates of birth and death are unconfirmed, appears to have lived there until after Roger's death up until 1835, when the property was sold by his brother, Charles. Both Wikipedia and the Smithsonian Institute have articles on the Holt House and its history, as noted still extant, but in serious disrepair. Also see attached photo.
An interesting footnote to his mill on Rock Creek is that per detailed research of the diaries of John Quincy Adams and his wife, Louisa Catherine Johnson, Roger's niece (through Joshua Johnson – see links below), Adams purchased a "flour mill" on Rock Creek, believed that owned by Roger, sometime after leaving the presidency in 1829 and it intended as an income producing investment. His son John Adams II was also entrusted with running it on his father's behalf. According to the accounts, it subsequently failed, in part to John II's inabilities, and it was later resold at a major loss. The mill did not appear to include the later "Holt House" property.
Upon their respective deaths, Roger and his wife were buried on their property near their home and later supposedly reinterred at Mt. Olivet, date unknown.*
Also per various sources, some undocumented, Roger and Elizabeth may have had as many as eleven offspring, seven sons and four daughters, but not all can yet be verified, and some, such as George Johnson (abt 1783-1854?), noted above, lack confirmed death and burial information, so have no memorial. Another confirmed son, Richard Johnson (1782-1839), may have been first buried in the family burial ground at Bloomsbury, and later reinterred in Mt. Olivet, but no records are found. Those with memorials are noted in the links below.
The marker shown in the attached photo is inscribed "In memory of those who were buried at Bloomsbury…Roger Johnson and his wife Elizabeth Thomas…Elizabeth R Larned…and others", Bloomsbury, also known as the Roger Johnson House, is a sandstone house in southern Frederick County, Maryland, still extant and listed on the National Historic Register. Roger built the original house in the 1780s, added an addition about 1800, and also established Bloomsbury Forge nearby. The home passed to one of Roger's sons upon his death, Dr. James Thomas Johnson, but passed out of the Johnson family upon his death in 1867. It is noted as having had nine or more owners since, and it is assumed that all those interred in the original "burial ground" on the property (not noted in the historic register survey) were reinterred in Mt. Olivet, established 1854, by a subsequent owner, possibly son James, date unknown, and the land then used for other purposes.
It is then also assumed that this marker is the location of all the reinterred remains, the total number also unknown and all the names not recorded for whatever reason.*
The Elizabeth R Larned reinterred here per the marker has been determined to be Roger's daughter-in-law, Emily Newman Johnson's sister, who she had interred at Bloomsbury in 1856.
* A direct descendant of Roger has advised that they have no record of any reinternment from Bloomsbury to Mt. Olivet. However, per the MD Historic Trust Survey noted, there is no evident extant burial ground at Bloomsbury today. The existing marker in Mt. Olivet was also noted as erected in the 1930's, but further details and by whom not provided. If no remains were reinterred here, it appears somewhat odd (to me) that a marker would be erected with only some of those likely still(?) buried there. Mt. Olivet's website notes only: "[Johnsons] Residing in various places around the country, several bodies were brought back to a newly created family plot in Mount Olivet in the year 1915". A letter from the cemetery director in 1959, however, refutes that Roger was reinterred here. This note has then been added here as the actual facts appear unresolved.
Allan Garner Rev: Feb 14, 2020.
He was later noted as engaging with other family members in iron and glass making in Frederick County and from one furnace providing cannon shot, ammunition, and repairing arms for the Continental Army.
During the Revolution he was a major serving in his brother, Colonel James Johnson's, battalion. He and Elizabeth married afterwards in then Frederick Town, Frederick County, Maryland on 4 Feb 1781.
Various sources indicate Roger was somewhat of an entrepreneur in his lifetime, and aside from foundries, glassworks, and property owned in Frederick County, he purchased additional investment property in Washington, DC in 1809 which included Columbia Mill on Rock Creek. This property, at least a portion of it, was referred to as "Petty Prospect", and as other properties owned by Roger, was given over to another son, George Johnson, for running of the mill and as a residence. Roger is the most likely candidate for the building between 1810 and 1814 of what is now referred to as the "Holt House", still extant, on that property, now part of the National Zoo. George, whose dates of birth and death are unconfirmed, appears to have lived there until after Roger's death up until 1835, when the property was sold by his brother, Charles. Both Wikipedia and the Smithsonian Institute have articles on the Holt House and its history, as noted still extant, but in serious disrepair. Also see attached photo.
An interesting footnote to his mill on Rock Creek is that per detailed research of the diaries of John Quincy Adams and his wife, Louisa Catherine Johnson, Roger's niece (through Joshua Johnson – see links below), Adams purchased a "flour mill" on Rock Creek, believed that owned by Roger, sometime after leaving the presidency in 1829 and it intended as an income producing investment. His son John Adams II was also entrusted with running it on his father's behalf. According to the accounts, it subsequently failed, in part to John II's inabilities, and it was later resold at a major loss. The mill did not appear to include the later "Holt House" property.
Upon their respective deaths, Roger and his wife were buried on their property near their home and later supposedly reinterred at Mt. Olivet, date unknown.*
Also per various sources, some undocumented, Roger and Elizabeth may have had as many as eleven offspring, seven sons and four daughters, but not all can yet be verified, and some, such as George Johnson (abt 1783-1854?), noted above, lack confirmed death and burial information, so have no memorial. Another confirmed son, Richard Johnson (1782-1839), may have been first buried in the family burial ground at Bloomsbury, and later reinterred in Mt. Olivet, but no records are found. Those with memorials are noted in the links below.
The marker shown in the attached photo is inscribed "In memory of those who were buried at Bloomsbury…Roger Johnson and his wife Elizabeth Thomas…Elizabeth R Larned…and others", Bloomsbury, also known as the Roger Johnson House, is a sandstone house in southern Frederick County, Maryland, still extant and listed on the National Historic Register. Roger built the original house in the 1780s, added an addition about 1800, and also established Bloomsbury Forge nearby. The home passed to one of Roger's sons upon his death, Dr. James Thomas Johnson, but passed out of the Johnson family upon his death in 1867. It is noted as having had nine or more owners since, and it is assumed that all those interred in the original "burial ground" on the property (not noted in the historic register survey) were reinterred in Mt. Olivet, established 1854, by a subsequent owner, possibly son James, date unknown, and the land then used for other purposes.
It is then also assumed that this marker is the location of all the reinterred remains, the total number also unknown and all the names not recorded for whatever reason.*
The Elizabeth R Larned reinterred here per the marker has been determined to be Roger's daughter-in-law, Emily Newman Johnson's sister, who she had interred at Bloomsbury in 1856.
* A direct descendant of Roger has advised that they have no record of any reinternment from Bloomsbury to Mt. Olivet. However, per the MD Historic Trust Survey noted, there is no evident extant burial ground at Bloomsbury today. The existing marker in Mt. Olivet was also noted as erected in the 1930's, but further details and by whom not provided. If no remains were reinterred here, it appears somewhat odd (to me) that a marker would be erected with only some of those likely still(?) buried there. Mt. Olivet's website notes only: "[Johnsons] Residing in various places around the country, several bodies were brought back to a newly created family plot in Mount Olivet in the year 1915". A letter from the cemetery director in 1959, however, refutes that Roger was reinterred here. This note has then been added here as the actual facts appear unresolved.
Allan Garner Rev: Feb 14, 2020.
Roger, the youngest of the Johnson/Sedgwick offspring, as all his siblings, was born on the Johnson farm, the "Brewhouse" on St. Leonard Creek in Calvert County, extant today, and later moved to Frederick County as a young man.
He was later noted as engaging with other family members in iron and glass making in Frederick County and from one furnace providing cannon shot, ammunition, and repairing arms for the Continental Army.
During the Revolution he was a major serving in his brother, Colonel James Johnson's, battalion. He and Elizabeth married afterwards in then Frederick Town, Frederick County, Maryland on 4 Feb 1781.
Various sources indicate Roger was somewhat of an entrepreneur in his lifetime, and aside from foundries, glassworks, and property owned in Frederick County, he purchased additional investment property in Washington, DC in 1809 which included Columbia Mill on Rock Creek. This property, at least a portion of it, was referred to as "Petty Prospect", and as other properties owned by Roger, was given over to another son, George Johnson, for running of the mill and as a residence. Roger is the most likely candidate for the building between 1810 and 1814 of what is now referred to as the "Holt House", still extant, on that property, now part of the National Zoo. George, whose dates of birth and death are unconfirmed, appears to have lived there until after Roger's death up until 1835, when the property was sold by his brother, Charles. Both Wikipedia and the Smithsonian Institute have articles on the Holt House and its history, as noted still extant, but in serious disrepair. Also see attached photo.
An interesting footnote to his mill on Rock Creek is that per detailed research of the diaries of John Quincy Adams and his wife, Louisa Catherine Johnson, Roger's niece (through Joshua Johnson – see links below), Adams purchased a "flour mill" on Rock Creek, believed that owned by Roger, sometime after leaving the presidency in 1829 and it intended as an income producing investment. His son John Adams II was also entrusted with running it on his father's behalf. According to the accounts, it subsequently failed, in part to John II's inabilities, and it was later resold at a major loss. The mill did not appear to include the later "Holt House" property.
Upon their respective deaths, Roger and his wife were buried on their property near their home and later supposedly reinterred at Mt. Olivet, date unknown.*
Also per various sources, some undocumented, Roger and Elizabeth may have had as many as eleven offspring, seven sons and four daughters, but not all can yet be verified, and some, such as George Johnson (abt 1783-1854?), noted above, lack confirmed death and burial information, so have no memorial. Another confirmed son, Richard Johnson (1782-1839), may have been first buried in the family burial ground at Bloomsbury, and later reinterred in Mt. Olivet, but no records are found. Those with memorials are noted in the links below.
The marker shown in the attached photo is inscribed "In memory of those who were buried at Bloomsbury…Roger Johnson and his wife Elizabeth Thomas…Elizabeth R Larned…and others", Bloomsbury, also known as the Roger Johnson House, is a sandstone house in southern Frederick County, Maryland, still extant and listed on the National Historic Register. Roger built the original house in the 1780s, added an addition about 1800, and also established Bloomsbury Forge nearby. The home passed to one of Roger's sons upon his death, Dr. James Thomas Johnson, but passed out of the Johnson family upon his death in 1867. It is noted as having had nine or more owners since, and it is assumed that all those interred in the original "burial ground" on the property (not noted in the historic register survey) were reinterred in Mt. Olivet, established 1854, by a subsequent owner, possibly son James, date unknown, and the land then used for other purposes.
It is then also assumed that this marker is the location of all the reinterred remains, the total number also unknown and all the names not recorded for whatever reason.*
The Elizabeth R Larned reinterred here per the marker has been determined to be Roger's daughter-in-law, Emily Newman Johnson's sister, who she had interred at Bloomsbury in 1856.
* A direct descendant of Roger has advised that they have no record of any reinternment from Bloomsbury to Mt. Olivet. However, per the MD Historic Trust Survey noted, there is no evident extant burial ground at Bloomsbury today. The existing marker in Mt. Olivet was also noted as erected in the 1930's, but further details and by whom not provided. If no remains were reinterred here, it appears somewhat odd (to me) that a marker would be erected with only some of those likely still(?) buried there. Mt. Olivet's website notes only: "[Johnsons] Residing in various places around the country, several bodies were brought back to a newly created family plot in Mount Olivet in the year 1915". A letter from the cemetery director in 1959, however, refutes that Roger was reinterred here. This note has then been added here as the actual facts appear unresolved.
Allan Garner Rev: Feb 14, 2020.
He was later noted as engaging with other family members in iron and glass making in Frederick County and from one furnace providing cannon shot, ammunition, and repairing arms for the Continental Army.
During the Revolution he was a major serving in his brother, Colonel James Johnson's, battalion. He and Elizabeth married afterwards in then Frederick Town, Frederick County, Maryland on 4 Feb 1781.
Various sources indicate Roger was somewhat of an entrepreneur in his lifetime, and aside from foundries, glassworks, and property owned in Frederick County, he purchased additional investment property in Washington, DC in 1809 which included Columbia Mill on Rock Creek. This property, at least a portion of it, was referred to as "Petty Prospect", and as other properties owned by Roger, was given over to another son, George Johnson, for running of the mill and as a residence. Roger is the most likely candidate for the building between 1810 and 1814 of what is now referred to as the "Holt House", still extant, on that property, now part of the National Zoo. George, whose dates of birth and death are unconfirmed, appears to have lived there until after Roger's death up until 1835, when the property was sold by his brother, Charles. Both Wikipedia and the Smithsonian Institute have articles on the Holt House and its history, as noted still extant, but in serious disrepair. Also see attached photo.
An interesting footnote to his mill on Rock Creek is that per detailed research of the diaries of John Quincy Adams and his wife, Louisa Catherine Johnson, Roger's niece (through Joshua Johnson – see links below), Adams purchased a "flour mill" on Rock Creek, believed that owned by Roger, sometime after leaving the presidency in 1829 and it intended as an income producing investment. His son John Adams II was also entrusted with running it on his father's behalf. According to the accounts, it subsequently failed, in part to John II's inabilities, and it was later resold at a major loss. The mill did not appear to include the later "Holt House" property.
Upon their respective deaths, Roger and his wife were buried on their property near their home and later supposedly reinterred at Mt. Olivet, date unknown.*
Also per various sources, some undocumented, Roger and Elizabeth may have had as many as eleven offspring, seven sons and four daughters, but not all can yet be verified, and some, such as George Johnson (abt 1783-1854?), noted above, lack confirmed death and burial information, so have no memorial. Another confirmed son, Richard Johnson (1782-1839), may have been first buried in the family burial ground at Bloomsbury, and later reinterred in Mt. Olivet, but no records are found. Those with memorials are noted in the links below.
The marker shown in the attached photo is inscribed "In memory of those who were buried at Bloomsbury…Roger Johnson and his wife Elizabeth Thomas…Elizabeth R Larned…and others", Bloomsbury, also known as the Roger Johnson House, is a sandstone house in southern Frederick County, Maryland, still extant and listed on the National Historic Register. Roger built the original house in the 1780s, added an addition about 1800, and also established Bloomsbury Forge nearby. The home passed to one of Roger's sons upon his death, Dr. James Thomas Johnson, but passed out of the Johnson family upon his death in 1867. It is noted as having had nine or more owners since, and it is assumed that all those interred in the original "burial ground" on the property (not noted in the historic register survey) were reinterred in Mt. Olivet, established 1854, by a subsequent owner, possibly son James, date unknown, and the land then used for other purposes.
It is then also assumed that this marker is the location of all the reinterred remains, the total number also unknown and all the names not recorded for whatever reason.*
The Elizabeth R Larned reinterred here per the marker has been determined to be Roger's daughter-in-law, Emily Newman Johnson's sister, who she had interred at Bloomsbury in 1856.
* A direct descendant of Roger has advised that they have no record of any reinternment from Bloomsbury to Mt. Olivet. However, per the MD Historic Trust Survey noted, there is no evident extant burial ground at Bloomsbury today. The existing marker in Mt. Olivet was also noted as erected in the 1930's, but further details and by whom not provided. If no remains were reinterred here, it appears somewhat odd (to me) that a marker would be erected with only some of those likely still(?) buried there. Mt. Olivet's website notes only: "[Johnsons] Residing in various places around the country, several bodies were brought back to a newly created family plot in Mount Olivet in the year 1915". A letter from the cemetery director in 1959, however, refutes that Roger was reinterred here. This note has then been added here as the actual facts appear unresolved.
Allan Garner Rev: Feb 14, 2020.
Inscription
In memory of those who were buried at Bloomsbury...
Gravesite Details
The stone includes only three names plus "others", who remain unknown but also likely reinterred here from Bloomsbury.
Family Members
Siblings
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