New England Families

So far, William's birth year is an estimate based on his later records.
William's 1840 census says she was born between 1810 and 1820
William's 1850 census says she was born about 1815
William's 1860 census says she was born about 1810
William's 1870 census says she was born about 1811
William's 1880 census says she was born about 1805

1840 Census, Orono, Maine, page 252
William Inman
1 male between 20 and 30
1 female under 5
1 female between 20 and 30

https://familysearch.org/ark:/61903/1:1:XHYS-C8J
The female under five could be their daughter Abigail who is 13 on the 1850 Census

Other Inmans in Orono.
George
Henry
Ehud? Elias

1850 Census, Orono, Maine, household 357
September 18, 1850

William Inman, 35, laborer, cannot read and write
Abagail Inman, 30, cannot read and write
Abagail Inman, 13
William Inman, 10
Asa Inman, 8
Sophronia Inman, 4
Zachariah Inman, 3m

All born in Maine.
preceding household: Goodwin Inman, 21
next household: David Inman, 36

https://familysearch.org/ark:/61903/1:1:M6VS-VJJ

1860 Census, Orono, household 578
July 2, 1860

William Inman, 50, laborer, PE: $150, cannot read and write
Abigail Inman, 49
William Inman, 21, laborer, cannot read and write
Asa P Inman, 18, laborer
Sophronia Inman, 13
Zachariah Inman, 9
Rhoda Inman, 7
Sarah D Inman, 5
Thomas Inman, 9

All born in Maine.
preceding household: John F Inman, 38

https://familysearch.org/ark:/61903/1:1:MDCH-61N

1880 Census, Kenduskeag, Maine, ED 19, sheet 31a

William Inman, 39, farmer
Flora Inman, 27, keeping house
Maudy B Inman, 3
Nellie M Inman, 1
William Inman, 75, father
Abigail Inman, 62, mother

all born in Maine, parents also

https://familysearch.org/ark:/61903/1:1:MF31-LHB

1870 Census, Orono, page 60
June 27, 1870

William Inman, 59, farm hand, RE: $300, PE: 175
Abigail Inman, 49
Zachinah Inman, 19, saws lathes
Rhoda Inman, 16, at school
Sarah Inman, 14, at school
Thomas Inman, 10, at school
Mary E Inman, 4
Betsy Scott, 90, born in Maine

preceding household: Asa (23) and Emma Inman

https://www.myheritage.com/research/record-10128-50577968/abigail-inman-in-1870-united-states-federal-census?s=309777601