The 1940 census record for Carlton J. and Violet Frazier in Brookfield, New York show their daughter Frances A born around 1939, and there is a birth record for a Frances A Frazier born March 3, 1939 in Utica, the nearest city (30 minutes away by car today). The "U.S., Public Records Index, 1950-1993, Volume 1" database on Ancestry has a record of Frances Ann Dietz, birthdate March 3, 1939, living in Norcross, Georgia.
The obituary for Ann's mother names her in 2001 as Ann Robertson of Norcross, Georgia.
Marriage to Dietz
She was going by Ann F. Dietz as of January 1968 in SF Times.