I found Sarah living with the family of Jacob DeVault in 1880. She was age 18 and listed as a boarder. Jacob DeVault was age 59, b. Ohio, his father b. VA, his mother born in PA. His wife Margaret was age 55, b. Ohio, her father b. VA, her mother b. Ohio. Son Geo. W. was age 21, born in Ohio. Daughter Mary E. age 18, b. Ohio and daughter Dora age 16, b. Ohio. Dora would marry Sarah's brother Henry.
Sarah married John B. Lester, 27 Feb 1881, Bloomfield. He was 24; she was 20. John's parents listed as Geo. W. Lester & Rhoda Johnson. Sarah's parents were Wm. Wishard and Margaret Breeding.
1880 Census. Bloomfield, Davis Co, Iowa, Hh 117