MG
Mary Griffith — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this Mary Griffith across the 1900, 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 6-person household.
Age 40
b. ~1880
Female
Spouse
Born: England
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Griffith |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Grocer |
| Industry | Grocery Store |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | england |
| Occupation | Grocer |
| Township / Ward | Norristown Borough |
| Est. Birth Year | ~1880 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Alfred Griffith | Head | — | 39 | ~1881 |
| John Harper | Other | — | 12 | ~1908 |
| Gertrude Harper | Other | — | 35 | ~1885 |
| Frederick Harper | Other | — | 10 | ~1910 |
| Alfred Griffith | Son | — | 13 | ~1907 |
| Mary Griffith | Spouse | — | 40 | ~1880 |
Census Appearances
1900
Philadelphia, Pennsylvania
Other, age 21
Philadelphia, Pennsylvania · implied b. ~1879 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Mary J. |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | England |
| Birth Month | Aug |
| Birth Year | 1879 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Domestic |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | England |
| Birthplace (normalized) | england |
1910
Montgomery, Pennsylvania
Spouse, age 30
Montgomery, Pennsylvania · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Griffith |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | England |
| Years Married | 6 |
| Children Born | 1 |
| Children Living | 1 |
| Year of Immigration | 1903 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Birth Country | England |
| Birthplace (normalized) | england |
1920
Montgomery, Pennsylvania
Spouse, age 40
Montgomery, Pennsylvania · implied b. ~1880 — 6 household members
| Surname | Griffith |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1903 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Grocer |
| Industry | Grocery Store |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | england |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Griffith across 3 US Census years (1900, 1910 and 1920) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Griffith
Spouse · 1920 · age 40 · b. ~1880 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1604unit:0945)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth L. Farrell | 4 | Son | — | Pennsylvania |
| 2 | Walter L. Hiltner | 28 | Head | Clerk | Pennsylvania |
| 3 | Alma B. Hiltner | 30 | Wife | — | Pennsylvania |
| 4 | Forest W. Hiltner | 2 | Son | — | Pennsylvania |
| 5 | Vera M. Hiltner | 1 | Daughter | — | Pennsylvania |
| 6 | John W. Figg | 39 | Head | Paper Cutter | Pennsylvania |
| 7 | Mary J. Figg | 35 | Wife | — | Pennsylvania |
| 8 | Raymond S. Figg | 13 | Daughter | — | Pennsylvania |
| 9 | Doris R. Figg | 9 | Daughter | — | Pennsylvania |
| 10 | Sarah J. Rose | 56 | Mother-in-law | — | Pennsylvania |
| 11 | Walter W. Emery | 38 | Head | Painter | Pennsylvania |
| 12 | Dorothy Emery | 39 | Wife | — | Pennsylvania |
| 13 | Estella M. Emery | 12 | Daughter | — | Pennsylvania |
| 14 | Lyden W. Emery | 10 | Son | — | Pennsylvania |
| 15 | Dorothy E. Emery | 8 | Daughter | — | Pennsylvania |
| 16 | Carlton W. Emery | 1 | Son | — | Pennsylvania |
| 17 | John R. Munchow | 50 | Head | Chauffeur | Pennsylvania |
| 18 | Emma E. Munchow | 46 | Wife | — | Pennsylvania |
| 19 | Katherine R. Munchow | 16 | Daughter | — | Pennsylvania |
| 20 | Howard Mayhew | 42 | Head | Station Porter | Pennsylvania |
| 21 | Emily Mayhew | 39 | Wife | Laundress | Virginia |
| 22 | George W. Lancaster | 47 | Head | Laborer | Maryland |
| 23 | Mamie Lancaster | 40 | Wife | — | Maryland |
| 24 | Marie Lancaster | 15 | Daughter | — | Dist of Columbia |
| 25 | George A. Lancaster | 14 | Son | — | Pennsylvania |
| 26 | Ethel M. Lancaster | 12 | Daughter | — | Pennsylvania |
| 27 | Agnes S. Lancaster | 9 | Daughter | — | Pennsylvania |
| 28 | Angie C. Lancaster | 7 | Daughter | — | Pennsylvania |
| 29 | Isabella Lancaster | 3 | Daughter | — | Pennsylvania |
| 30 | William G. Major | 60 | Head | Station Messenger | New Jersey |
| 31 | Lillie M. Major | 53 | Wife | Waitress | Maryland |
| 32 | Ester B. Starkey | 21 | Daughter | — | Delaware |
| 33 | Robert E. Smith | 32 | Head | Chauffeur | Virginia |
| 34 | Laura E. Smith | 31 | Wife | — | Pennsylvania |
| 35 | Margaret R. Smith | 2 | Daughter | — | Pennsylvania |
| 36 | William H. Smith | 48 | Head | Barber | New Jersey |
| 37 | Alberta Smith | 30 | Wife | — | Delaware |
| 38 | Ida Fountain | 17 | Sister-in-law | Housekeeper | Delaware |
| 39 | Clarence Campbell | 48 | Head | Laborer | Maryland |
| 40 | Mary G. Campbell | 48 | Wife | Cook | Pennsylvania |
| 41 | Roy J. Campbell | 12 | Son | — | Pennsylvania |
| 42 | Irvin Campbell | 8 | Son | — | Dist of Columbia |
| 43 | Angeline Campbell | 16 | Daughter | — | Maryland |
| 44 | Harriet R. Fisher | 16 | Step-daughter | — | Pennsylvania |
| 45 | Alfred S. Griffith | 39 | Head | Baggage Master | England |
| 46 | Mary A. Griffith THIS PERSON | 40 | Wife | Grocer | England |
| 47 | Alfred S. Jr. Griffith | 13 | Son | — | England |
| 48 | Gertrude Harper | 35 | Sister-in-law | Laborer | England |
| 49 | John W. Harper | 12 | Nephew | — | New Jersey |
| 50 | Frederick G. Harper | 10 | Nephew | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)