Data source is Margo Elaine Mumma. E-mail MargoMumma@comcast.net
1910 Federal Census for Union, Wayne, Iowa ED 172 p 5A:
Mildred E. Mumma, age 6, born in IA
Mumma-Annis
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Mr. Lauren Annis of Corydon, and Miss Mildred Mumma of Millerton, were united in marriage at the M. E. Parsonage in Chariton last Saturday, May 16 1925, Rev. Frank Bean performing the ceremony in the presence of a few friends who had accompanied the happy couple. Mr. and Mrs. Annis will reside on a farm near Corydon. Both come from excellent families and are esteemed by all who know them for their many splendid qualities. They will receive the congratulations and good wishes of a large circle of friends.
Tombstone at
https://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=81147918