Jeanette died when Lillian May was 68 years old. She died at the age of 77 on 19 September 1956 in Salt Lake City.
On 5 March 1957, when Lillian May was 68 years old, her brother Arthur David died in Salt Lake City. He was 82 years old at the time of his death.
On 24 October 1965, when Lillian May was 77 years old, her sister, Emma Della, died at the age of 79 in Los Angeles, Los Angeles, California, United States.
Lillian May died at the age of 78 on 22 June 1966 in Salt Lake City. She was buried plot VB_A_4_8_9, the next day at Vine Bluff Cemetery, which is located at 1200 North 400 East in Nephi, Juab, Utah, United States. Her Find a Grave ID is: 25163268.