[S161] 1920 Federal Census, Balsam Lake, Polk County, Wisconsin (Reliability: 3).
Listed Arthur Davidson, son, age 7, born in WI, both parents born in WI
[S161] 1920 Federal Census, Balsam Lake, Polk County, Wisconsin.
[S162] Wisconsin Marriages Pre-1907@Ancestry.com, Volume 2, page 0253 (Reliability: 3).
Listed Nels A. Davidson, married 7 June 1905 in Polk County, Wisconsin