1880 census suggest 1854 1910 census says Mar-1855 1920 census aged 63, suggesting 1857
appears to be a deliberate attempt to appear younger, increasing to 1858 on gravestone (which would mean her mother was 55 whe she gave birth rather than the also remarkable 48.
PETTIGREW WILLIAM M 1877 573/ 424 Paisley Burgh Parishes
He died from cancer, cancer of the pancreas, 2 years, metastasis liver, at the age of 72 on July 2nd, 1949 in Rhode Island. He was buried on July 5th, 1949 in Rhode Island.34
She died at the age of 90 in April 1969 in Rhode Island.
Death Notes
Given Name: Mary Surname: Pettigrew State: Rhode Island Residence Place: Rhode Island Last Place of Residence: Pawtucket, Providence, Rhode Island Previous Residence Postal Code: 02860 Age: 90 Birth Date: 04 Jan 1879 Birth Date: 01041879 Death Date: Apr 1969 Death Date: 04001969
Citing this Record "United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JRML-M6J : 20 May 2014), Mary Pettigrew, Apr 1969; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).