Son of Butler Holcomb. According to 1860 Clarkston census records, William was a 34 year old farmer who was born in New York.
Wife, Arvilla, born 1831 in New York.
Children: J. Butler; Charles; Frederick, Alison(Allison in 1860 records) born in 1853 in Michigan; Willard, born in 1855 in Michigan; Flora (Netting) & Lillian. A860 tax records listed the children as Allison, 7, born in Michigan; Willard, 5, born in Michigan; Butler 4, born in Michigan; Selia,2, born in Michigan and Bela, born in Michigan. Also listed as a part of the household were James Michaelven, a 23 year old farm laborer born in Ireland; Charles Vliet, a 21 year old carpenter born in New York and Mary L. Holcomb, age 73.
William was a farmer, fruit grower, breeder of Spanish Merino sheep & Durham cattle, according to an 1872 map of the Village.