| * | November 18, 1890 Stamford, Connecticut, USA | |
| † | April 17, 1976 Santa Monica, California, USA |
|
Charles Donald Fox and Milton L. Silver (eds.) Who's Who on the Screen New York City, 1920 |
| Robert S. Birchard, Conversations with Irvin V. Willat, in: Film History, vol. 12, 2000 pp. 29-48 |