Lucilla was born in Salt Lake City on November 18, 1879 a daughter of Charles Edward and Marian Maiben Lucas.
She married John William Simpson October 27, 1898 in the Salt Lake LDS Temple. He died March March 14, 1904 after being thrown off a horse near Red Butte, Grouse Creek, Utah. She married Frank Voyce in Oakley, Idaho in 1906 and he also preceded her in death.
She had the following children: John William, Elmer, Arvil, Max, Ray, Ellen, Ethel, Erma, Bertha and Mary.
Lucilla died of natural causes on February 14, 1969 and is buried in the Grouse Creek Cemetery with her first husband John.