Born: 1909 January 10 in Passaic, New Jersey, United States
Died: 1970 January day? in ?
Notes: To be confirmed against the Who's Who entry.
Not to be confused with the "Sex to Sexty" cartoonist of the same name.
Miller's Jay Marr pen name was a byline used by DC from 1942 to 1946. The Marr name has its own Who's Who entry:
Bails suggested to compared Marr's work to that of Jack Miller.