Here's some of what I found on William O. Miles family of Cohocton, NY Steuben County. Maybe you already have this, but here goes:
1870 Census Cohocton, NY Steuben County
William O. Miles, 40 farmer b. NY
Roxie F. Miles, 33
Racheal Miles, 17
John Miles, 16
Margarett Miles, 13
Henry S. Miles, 10
Amanda Miles, 8
Mary E. Miles, 5
Bertha Ann Miles, 3
Newton Miles, 1
Susan Abott, 59 Working "General Work"
all b. NY

1880 Cohocton, NY Steuben County
W.O. Miles, 50 day laborer b. NY
Roxy Miles, 44
Henry Miles, 20
Manda Miles, 17 Amanda?
Mary E. Miles, 14
Betsy A. Miles, 13 - Bertha Ann?
Newton Miles, 11
Minnie Miles, 9
Elma? Miles, 4
Eva Miles, 4
William Miles, b. 6/1879

1900 Cohocton, NY Steuben County
Roxy P. Miles, 54 Widow b. 5/1846
12 children, 11 living
Ollie I. Miles, 18 b. 8/1881
Roxy A. Miles, 10, adopted daughter b. 3/1890

Neighbor to Roxy P. Miles
William C. Miles, 22 b. 6/1879 married two years
Lula or Lulu Miles, 19 b. 3/1881 no children

Roxy P. Miles was born in NY; father b. in NY mother b. in Conn; rest of family b. in NY.

Somewhere I found a Miles family member liviing with a Haight family or vice versa. Can't find that information right now. Will forward when I find it. If you didn't already have t his info, hope this helps. Lila