If you haven't found this already, take a look at:
1880 census, Fairfield, Wayne Co., Illinois:Edith Sailer (age 28), son Isaac C. (age 10), daughter Ollie (age 6)
1910 census, Burnt Prairie, White Co., Illinois:I.C. Sailor (age 40, ??? on dredgeboat), wife Flora Ellen (age 39), daughter Bessie J. (age 10), son Samuel (age 8), son Renard (age 5), son Allen (age 4), and son Elisha (age 1 9/12)--- I.C. Sailor is indexed as S.C. Sailor on Ancestry.
1920 census, White, Coffey Co., Arkansas:I.C. Sailor (age 49, widower, farmer), son Allen (age 16), and son Renard (age 17).--- I.C. Sailor is indexed as J.C. Sailor on Ancestry.
1930 census, Burns, Eagle Co., Colorado:Rinard Saylor (age 23, laborer, b. in Illinois, father b. in Illinois, mother b. in Illinois)living with the G. H. Schroeder family, relationship to head of household is ADOPTED.---Rinard Saylor is indexed as Rihard Saylor on Ancestry.
Ancestry public tree "Sailor Family Tree".Father Corey Sailor (guess that's the "C" in Isaac C. Sailor), mother Florence E. Williams, son Renard, son Allen.Allen Sailor died in 1946 in Wayne Co., Illinois.
Ollie (Sailor) and husband John W. Snodgrass lived in Fairfield in 1900, and Mt. Vernon, Jefferson Co., Illinois in 1910, 1920, and 1930.Ollie Snodgrass died in March 1966, last residence per SSDI was Casey, Clark Co., Illinois.