Sybil Lathrop was the daughter of Ezekiel Lathrop and Lydia Crocker of Bridgewater township, Susquehanna Co., PA. She married the Rev. William Lathrop Jr., the son of Dea. William Lathrop and Sarah Brown of Rush in Susquehanna county, PA. Although they shared the same last name, they were distant cousins (4th cousins once removed).

Their lineage compared:

(Wife) Sybil Lathrop < Ezekiel Lathrop II < Ezekiel Lathrop Sr. < Israel Lathrop Jr. < Israel Lathrop Sr. < Hon. Samuel Lathrop

(Husband) Rev. William Lathrop Jr. < Dea. William Lathrop Sr. < Ezra Lathrop Jr. < Lt. Ezra Lathrop Sr. < Samuel Lathrop III < Samuel II Lathrop < Hon. Samuel Lathrop

Sybil's husband William was pastor of the Rush Baptist Church before moving to Herrickville several miles west of Rush. Together they had several children, three sons who joined the Union army during the Civil War, two (Davis and William) of which never returned after losing their lives during the war.

Rev. William and Sybil Lathrop had several children including:

1) Cyril Peck Lathrop b. 1821
2) Anna Lathrop b. ca 1828
3) Davis Lathrop b. ca 1831 d. December 9, 1862 (lost his life in the Civil War as a Union Soldier - Co.D, 141st Infantry Regiment, PA Vol.)
4) Daniel Lathrop b. ca 1834
5) Eunice Lathrop b. ca 1836
6) Amanda Lathrop b. ca 1839
7) William Riley Lathrop III b. ca 1841 d. April 3, 1863 (lost his life in the Civil War as a Union Soldier Co.D, 141st Infantry Regiment, PA Vol.)

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Census of 1850 Herrick, Bradford, PA
Wm Lathrop 52 NY "Farmer"
Sibyl Lathrop 52 CT
Davis Lathrop 18 PA "Blacksmith"
Daniel Lathrop 16 PA
Eunice Lathrop 14 PA
Amanda Lathrop 11 PA
Anna Lathrop 21 PA
Wm Lathrop 9 PA

Census of 1860 Herrick, Bradford, PA
Wm Lathrop 52 NY "Bap Clergyman"
Sybel Lathrop 52 CT
Wm R Lathrop 19 PA

Census of 1870 Herrick, Bradford, PA
Serrel P Lathrop 49 (marriage record of daughters spells father's name as "Cyril", which is the proper spelling)
Harriet Lathrop 47
Andrew J Lathrop 24
Ellie C Lathrop 22
William B Lathrop 22
Lydia J Lathrop 18
Sybel Lathrop 72
Louisa Lathrop 22 (was wife of Andrew J Lathrop)
Ida M Lathrop 3 (dau of Andrew and Louisa)
William D Lathrop 9/12 (son of Andrew and Louisa)