This information is from the 1920 Federal Census for Amsterdam, Hancock CO, Iowa

Mulholland, Cortland G.
b. abt 1874 Iowa (both parents b. Ohio)

", Agnes
b. abt 1877 Iowa (father b. Ohio mother b. u/k)

Children listed in census
1. unreadable name and sex and age
2. Edith -b. abt 1912 Iowa
3. Margaret R. -b. abt 1912 Iowa
4. Alice L. -b. u/k age unreadable on census Iowa