In your first note you said that Ralph Johnson was born Sept 20, 1873
then in your next note you say that Ira Blair (female) was born Sept 20, 1873
I looked in the birth records ...
Collection: Michigan Births, 1867-1902 Name: Ralph E. Johnson Birth Date: 20 Sep 1873 place: Inland, Benzie, Michigan Father's Name: Abner L. Johnson Father's Birthplace: New York Mother's Name: Susan Johnson Mother's Birthplace: Indiana ---
There is no Ira Blair (female) listed in the Mich birth records