1930 census lists her age as 40, so birth year would be 1890.

RESIDENCES:
1930 - 1845 Adams St., Chicago, Illinois (per 1930 census)
1960 - 2438 No. Kedzie Ave., Chicago (per obit in Denni Hlasatel)

OBIT: 1967-03-20 Chicago Tribune (IL)
Rozhon
Edition: Chicago Tribune
Mae Rozhon, nee Svatos, of Berwyn, Ill., beloved wife of the late Frank; dear sister of Joseph and the late Frank and Charles; fond aunt of nieces and nephews. Funeral Wednesday, March 22, at 9 a.m. from the Joseph Nosek & Sons Funeral Home, 6716-18 W. 16th street, corner of Euclid, Berwyn, to St. Odilo church. Mass 9:30 a.m. Interment family lot. Member of Ladies Auxiliary of Berwyn, post No. 422, A. L. Visitation after 5 p.m. Monday. GU 4-0144.

Mae's obituary does not list any children. Perhaps this clears up the mystery between Marie Horek and Mae as wives of Frank (or sometimes known as Edward) Rozhon. Mae might be a second wife and thus childless. Or, perhaps, I have her linked to the wrong Frank altogether. Very confusing.