1930 Census - Sac City, Sac, Iowa.
1920 Census - Mayfield Twp., Dekalb, Illinois.
1930 Census - Genoa, Dekalb, Illinois.
1920, 1930 Censuses - Mayfield Twp., Dekalb, Illinois.
1920 Census - Mayfield Twp., Dekalb, Illinois.
1930 Census - Kingston Twp., Dekalb, Illinois.
One place shows wife as Harriet Nicason Koeneke.
2 Sons, 1 son dying in Infancy.
WW1 Soldier.
Obituary of Husband and Wife.
1920, 1930 Censuses - Sioux City, Woodbury, Iowa.
Mahlon of Auburn, Washington.
1930 Census - Mayfield, Dekalb, Illinois.
1930 Census - Dekalb, Dekalb, Illinois.