By 1860, William CHAPMAN's family had settled in Hoosick Falls, and little Corhett and little George had apparently died young, as they are not enumerated with their parents in the 1860 US Census.

William and Mary had the following children born in NY state:

US Civil War Service Records for Robert J. CHAPMAN:

US Civil War Pension records:

1890 US Census, Veterans' Schedule:
CHAPMAN, Robert, Private, Co. D, 21st NY Cav., 29 Aug 1864 - 30 May 1865, address P. O. Hoosick Falls.

Occupations as given in US Census records:

Robert CHAPMAN and Atness E. LINK had the following children:

1.1. Frederick H. CHAPMAN was born in May 1866 in NY state and died in 1952. He was married in about 1899 to Nettie J. JACOBS, who was born in November 1878 in NY state and died in 1954. They are both buried in Maple Grove (Old) Cemetery in Hoosick. In 1900, Nettie had borne no children; by 1910, Nettie had borne two children, of whom both were still surviving. Her parents were obviously of a German background, as in some census years, they are listed as having been born in Germany, while in other census years, they are listed as having been born in NY state. His mother, Atness CHAPMAN, widow, was living with them in the 1920 US Census in Hoosick. Frederick H. CHAPMAN's occupations as given in US Censuses:

Frederick CHAPMAN and wife Nettie JACOBS had the following children:

• 1.1.1. Homer Henry CHAPMAN, born 8 July 1900 in NY state.
• 1.1.2. Robert J. CHAPMAN, born in 1902 in Hoosick Falls, Rensselaer County, NY.
• 1.1.3. H. Lynn CHAPMAN, born in about 1913.

  1.1.1. Homer Henry CHAPMAN was born on 8 July 1900 in NY state. He is described as a man of tall height, medium build, blue eyes and brown hair in his First World War draft registration; his permanent residence was Hoosick Falls. He died in January 1989 with a last residence of Rochester, Monroe County, NY. In 1918, he was a student at Syracuse University.

  1.1.2. Robert J. Chapman was born in 1902 in Hoosick Falls, Rensselaer County, NY and died on 20 December 1936. He is buried in Maple Grove (Old) Cemetery in Hoosick. There is a gravestone/memorial for him in the town of Long Lake, Hamilton County, NY, which has the following inscription:

  "Our Pal, Robert Chapman, December 20, 1936, A Real Woodsman, A Native of Hoosick Falls, N.Y."

  US Census entries:

• 1920, Hoosick Falls village: Clerk, office - living with his parents.
• 1930, Hoosick Falls village: "shofer", "taxi proprietor" - living with his parents.

1.2. Charles B. Chapman was born in April 1868 or 1869 in NY state and died in 1949. He was married in about 1892 to Edith May KING, who was born in November 1871 in NY state and died in 1925. They are both buried in Maple Grove (New) Cemetery in Hoosick.

US Census entries:

Charles B. CHAPMAN and Edith May KING had the following children:

1.2.1. Volney W. CHAPMAN was born on 14 January 1893 in Hoosick, NY and died in 1954. He was married to Bertha G. HAMILTON, who was born in 1894 in NY state and died in 1985. In his First World War draft registraiton, Volney was single and was described as a man of medium height, medium build, blue eyes and light-brown hair. They are both buried in Maple Grove Cemetery in Hoosick. Volney's occupations:
• 1918, Hoosick Falls: Dentist (self).
• 1920 US Census, Hoosick Falls village: Doctor, Dentistry.

1.3. Merritt Eugene CHAPMAN was born in about March 1870 in NY state and died in 1948. He married in about 1902 to Mary STEWART, who was born in 1876 in NY state and died in 1955. They are both buried in Maple Grove (New) Cemetery in Hoosick. Merritt's occupations as listed in US Censuses:

Merritt Eugene CHAPMAN and Mary STEWART had the following children:

1.4. Jessie CHAPMAN, female, was born in about 1873 in Iowa and died on 3 December 1891 at the age of 18. She is buried in Maple Grove (Old) Cemetery in Hoosick.

1.5. William George CHAPMAN was born on 12 April 1879 in Iowa and died in 1966. He is buried in Maple Grove (New) Cemetery in Hoosick. He was married in about 1904 to Grace WARHURST, who was born in 1878 in NY state and died in 1950. She was a daughter of James WARHURST and Anna E. WILCOX and is buried in Maple Grove (New) Cemetery in Hoosick. In his 1918 First World War draft registration, William is described as a tall man of medium build, with blue eyes and brown hair. William and Grace apparently had no children. William's occupations:

1.6. Zelma? Z. CHAPMAN was born in August 1885 in NY.