Here's the data on the Samuel Allen family from the 1870 Marshall Co. census:
Dwelling #28, Family #28--Marysville twp.:
Allen, Samuel A. age 40, Farmer, b OH
Allen, Mary A. age 38 b CT
Allen, Mary A. age 5 b KS
Allen, Lydia A. age 3 b KS
Allen, Jane E. age 1/12 b KS (May)