Marlys wrote, "... George Clinton or Clinton Clement. Born 11/21/1871 D 1939. Would like to know his parents names and his siblings names"
This is the family of the only George Clinton of the right age in the 1880 census in Iowa:
James CLINTON Self M Male W 51 IRE Farmer IRE IRE
Anna CLINTON Wife M Female W 45 IRE At Home IRE IRE
Burnard CLINTON Son S Male W 21 IA At Home IRE IRE
Charles CLINTON Son Male W 19 IA At Home IRE IRE
James CLINTON Son Male W 17 IA At Home IRE IRE
Annie CLINTON Dau Female W 15 IA At Home IRE IRE
John CLINTON Son S Male W 11 IA At Home IRE IRE
George CLINTON Son S Male W 9 IA At Home IRE IRE
[Source: 1880 US Census, Harrison, Boone, Iowa: Family History Library Film 1254328, NA Film T9-0328, Page 21D]
This is the only Clinton Clement I could find in the entire US census for 1880. The state is right, but the birth year is way off.
Lucy A. CLEMENT Self W Female W 45 IN Keeping House OH MD
Clinton CLEMENT Son S Male W 22 IA Teamster NJ IN
John CLEMENT Son S Male W 20 IA Farm Laborer NJ IN
[Source: US Census 1880, Wapello, Louisa, Iowa: Family History Library Film 1254350, NA Film T9-0350, Page 465C]
No CLINTON or CLEMENT families appear in the 1880 US census for Bremer County.