[4] After immigrating to the United States in 1907, Matilda married Victor Garcia Rojas.

[5] The couple had three children, Victor Paul, Matilda Garcia, and Victoria Grace.

Notably she appeared in the lost film, A Blind Bargain with Lon Chaney.

After a lengthy love affair with actor Nelson McDowell,[6] Fontaine married real estate broker Wayne Hancock[7] and retired from the screen.

The Keystone Vamp died of Acute Myelogenous Leukemia on September 13, 1964, at UCLA Medical Center.