Born: 1888 August 18 in Halifax, Nova Scotia, Canada
Died: 1957 June 18 in Pasadena, California, United States
Notes: To be confirmed against the Who's Who entry.
Wikipedia (https://en.wikipedia.org/wiki/J._R._Williams) has birthdate as March 30th.
The World Encyclopedia of Comics, 2nd ed., s.v. "Williams, James Robert." says August 18th.