Olga R. Hammond
- Born: 29 Aug 1892, Nebraska, United States
- Marriage (1): William Christopher Costello on 16 Nov 1922 in Mazatlán, Sinaloa, Mexico
- Died: 29 Jul 1964, Riverside, Riverside County, California, United States at age 71
- Buried: 1964, Olivewood Cemetery, Riverside, Riverside County, California, United States
FamilySearch ID: KC3G-FR2 Find A Grave ID: 146598587
Olga married William Christopher Costello on 16 Nov 1922 in Mazatlán, Sinaloa, Mexico. (William Christopher Costello was born on 11 Dec 1891 in Irland, died on 19 Apr 1964 in Riverside, Riverside County, California, United States and was buried on 22 Apr 1964 in Olivewood Cemetery, Riverside, Riverside County, California, United States.)
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