Trost-Mooney Genealogy - “Illinois, Cook County Birth Certificates 1878-1922,” database, FamilySearch.org Record Search, certificate for Gladys Margaret Mae Miller, no. 10652, 21 Feb 1911.

“Illinois, Cook County Birth Certificates 1878-1922,” database, FamilySearch.org Record Search, certificate for Gladys Margaret Mae Miller, no. 10652, 21 Feb 1911.

See:

Gladys Margaret Mae Miller
Della Müller
Peter D. Müller