Alice Amelia Elam

Daughter of Alma LeCornu Kerby and Amelia Eldredge Rogers.

Alice and her husband, Millard Elam, had two children together: Mildred Alice Kerby Bird and Jack Elam. Jack's birth certificate lists a birth name of William Scott Elam*.

Alice did not die when Jack was 1 year old as is erroneously reported in several biographies of the actor. He was almost 4 years old.

Death Certificate

Obituary provided by LA Powers:

"Mrs. Elam Dies

Mrs. Alyce Elam, 28, wife of Millard Elam of Miami, died at the home of her mother, Mrs. Kirby of Globe Sunday afternoon at 11:30 o'clock, following a lingering illness of about one year.
The deceased was a resident of Miami for about eight years prior to her death. She leaves a husband and two small children to mourn her loss.
Funeral services will be held from Jones Funeral home at Globe, Tuesday morning at 10 a.m., the Rev. Bishop Hunsaker officiating."

Source: The Daily Arizona Silver Belt, courtesy Bullion Plaza Cultural Center & Museum, Miami, Az.
https://www.findagrave.com/memorial/19616538/alice-amelia-elam