Amos Smith was born Amenzo Bogart. Although Hannah's headstone gives his birth year as 1845, the original headstone for him indicates his birth year as 1844. Based on his military records, he was born in 1843.

U.S. Civil War Soldier Records and Profiles:
Name: Amenzo E Bogart
Age at enlistment: 18
Enlistment Date: 2 Dec 1861
Rank at enlistment: Private
Enlistment Place: Albany, NY
State Served: New York
Survived the War?: Yes
Service Record: Enlisted in Company D, New York 43rd Infantry Regiment on 02 Dec 1861.
Mustered out on 06 Sep 1862 at New York, NY.
Birth Date: abt 1843
Sources: New York: Report of the Adjutant-General

New York, Town Clerks' Registers of Men Who Served in the Civil War, ca 1861-1865:
Name: Amenso Bogart (Amenzo Bogart)
Residence Place: Buffalo, New York
Enlistment Date: 20 Sep 1862
Enlistment Location: Buffalo, Erie, New York
Regiment: 155th Regiment
Company: K
Rank: Private
Race: White
(record also shows he was promoted to Corporal on July 1, 1865.)
Eyes: Blue
Hair: Light
Complexion: Light
Height: 5' 5 1/2"

New York, Civil War Muster Roll Abstracts, 1861-1900:
Name: Amenzo A Bogert
Age: 18
Birth Year: abt 1844
Birth Place: Albany, New York
Enlistment Year: 1862
Enlistment Location: Buffalo, New York
Muster Year: 1862
Separation Details: Deserted
Separation Date: 18 May 1864

1890 Veterans Schedules of the U.S. Federal Census:
Name: Amenzo Bogart assumed name of Amos Smith
Rank: Private
Role: Veteran
Residence Date: Jun 1890
Residence Place: Jackson, Sullivan, Missouri, USA
Enumeration District: 251
Enlistment Date: 1 Dec 1861
Discharge Date: 15 Sep 1862
Regiment or Vessel: 43 New York Vol
Company: D.
Length of service: 0 Yrs 9 Mos 14 Days

Civil War Pension Index: General Index to Pension Files, 1861-1934 about Amenzo Bogart:
Name: Amenzo [Alias: Amos Smith]
State Filed: Missouri (on May 21, 1902)
Widow: Hannah R Smith
Roll Number: T288_40
(record also states that Amos filed in Missouri on April 9, 1888 as invalid.)

Iowa, U.S., Select Marriages Index, 1758-1996: He was united in marriage to Hannah Rachel Hull on November 12, 1871, in Ottumwa, Wapello Co, Iowa.

Their children include:
William Henry Smith (1872–1939)
Nettie Cordelia "Delia" Smith Harrelson (1876–1959)
Susanna A. Smith Yardley (1878–1951)
Martha Sophrona Smith Frazier (1881–1959)
Mary "Viola" Smith Wilson Thompson (1885-1969)"
Harrison Smith (1889–1951)

He was a laborer and in 1885 worked for the railroad in Iowa.

On October 29, 1892 he was admitted to a U.S. Home for Disable Volunteer Soldiers in Marion, Grant Co, Indiana. He is registered as Amenzo Bogart, alias Amos Smith. Disability is listed as deafness. He resided there until October 3, 1896, when he was discharged at request.

Per the 1900 census, he was residing with his family in Jackson Township, Sullivan Co, Missouri.