Likely; dob on 1930 census and SS Death Index agree as well a location in Van Buren, Michigan:
Grace DUNCOMBE
Birth Date: 25 Feb 1902
Death Date: Jun 1973
Social Security Number: 362-34-7844
State or Territory Where Number Was Issued: Michigan

Death Residence Localities
ZIP Code: 49057
Localities: Hartford, Van Buren, Michigan