According to the United States Social Security Death Index (SSDI), the California Deaths Index Registry and Genealogy SA, Anderson was born in 1897 but sources traditionally cited 1898 as her year of birth.
Ifølge United States Social Security Death Index (SSDI), California Deaths Index Register og Genealogy SA, blev Anderson født i 1897, men kilder traditionelt citerer 1898 som hendes fødselsår.