Might be this woman. From familysearch.org
https://familysearch.org/search/records/index#count=20&query=%2Bgivenname%3A%22gladys%20w%22~%20%2Bsurname%3Ahatfield~%20%2Bbirth_place%3Acanada~%20%2Bbirth_year%3A1892-1895~
Census 1900 ED 1158 Precinct 4 Boston city Ward 1, Suffolk, MA
Head Stephen H Jeffery M 63 Canada (Eng)
Wife Lydia Jeffery F 61 Can (Eng)
Son Forster Jeffery M 28 Can (Eng)
Dau Winnifred Jeffery F 24 Can (Eng)
Son-in-law Aca Hatfield M 41 b Sept 1859 Can (Eng) immig 1894
Dau Mary A Hatfield F 28 b Jul 1872 Can (Eng) married abt 1890
Granddau Gladys W Hatfield F 6 b Jul 1894 Can (Eng)
U S Census, 1910 Boston Ward 1, Suffolk, MA
SELF Hatfield M 59y Can
WIFE Mary A Hatfield F 44y Can
DAU Gladys W Hatfield F 16y Can
Moth in law Lydia Jeffery F 74y Can
Sis in law Winnifred Jeffery F 34y Can
