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Mary Maxwell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Mary Maxwell across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1890 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Agnes Maxwell | Daughter | — | 20 | ~1920 |
| Cleveland Maxwell | Other | — | 13 | ~1927 |
| William Maxwell | Head | — | 50 | ~1890 |
| Mary Maxwell | Spouse | — | 50 | ~1890 |
| Mary Maxwell | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 29
Philadelphia, Pennsylvania · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | scotland |
1930
Philadelphia, Pennsylvania
Other, age 40
Philadelphia, Pennsylvania · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Wife H |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 28 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Philadelphia-County, Pennsylvania
Spouse, age 50
Philadelphia-County, Pennsylvania · implied b. ~1890 — 5 household members
| Surname | Maxwell |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Maxwell across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Maxwell
Spouse · 1940 · age 50 · b. ~1890 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03724-01134)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gertrude Hrizdo | 30 | Wife | — | Pennsylvania |
| 2 | Mary Louise Hrizdo | 6 | Daughter | — | Pennsylvania |
| 3 | Anthony Jr. Hrizdo | 5 | Son | — | Pennsylvania |
| 4 | Mary Mcclellan | 25 | Aunt | — | Irish Free State |
| 5 | William Greer | 76 | Head | — | Pennsylvania |
| 6 | Margaret Greer | 53 | Wife | — | Pennsylvania |
| 7 | Aubrey Mayer | 30 | Step-son | Clerk | Pennsylvania |
| 8 | George Mayer | 28 | Step-son | Elevator Operator | Pennsylvania |
| 9 | William Greer | 16 | Son | — | Pennsylvania |
| 10 | Margaret Greer | 12 | Daughter | — | Pennsylvania |
| 11 | Charles Gillen | 44 | Head | Manager | Ireland |
| 12 | Alice Gillen | 37 | Wife | — | Pennsylvania |
| 13 | Rose Mary Gillen | 6 | Daughter | — | Pennsylvania |
| 14 | Alice Theresa Gillen | 4 | Daughter | — | Pennsylvania |
| 15 | Charles Joseph Gillen | 0 | Son | — | Pennsylvania |
| 16 | James Mcdevitt | 53 | Head | Laborer | Irish Free State |
| 17 | Catherine Mcdevitt | 53 | Wife | — | Irish Free State |
| 18 | Catherine Mcdevitt | 19 | Daughter | Bus-Girl | Irish Free State |
| 19 | Theresa Mcdevitt | 16 | Daughter | — | Irish Free State |
| 20 | James Mcdevitt | 11 | Son | — | Pennsylvania |
| 21 | Peter Traynor | 34 | Head | Head Counterman | Scotland |
| 22 | Delia Traynor | 32 | Wife | — | Irish Free State |
| 23 | Jean Traynor | 7 | Daughter | — | Pennsylvania |
| 24 | Thomas Traynor | 6 | Son | — | Pennsylvania |
| 25 | John Traynor | 1 | Son | — | Pennsylvania |
| 26 | James Cassidy | 58 | Head | Salesman | Northern Ireland |
| 27 | Margaret Cassidy | 50 | Wife | — | Northern Ireland |
| 28 | John Cassidy | 21 | Son | Upholstery Apprentice | Pennsylvania |
| 29 | James Ab Cassidy | 19 | Son | — | Pennsylvania |
| 30 | Margaret Cassidy | 18 | Daughter | Mail Clerk | Pennsylvania |
| 31 | Charles Cassidy | 15 | Son | — | Pennsylvania |
| 32 | William Maxwell | 50 | Head | Motorman | Ireland |
| 33 | Mary Maxwell THIS PERSON | 50 | Wife | — | Scotland |
| 34 | Agnes F Maxwell | 20 | Daughter | Mail Clerk | Pennsylvania |
| 35 | Mary Maxwell | 19 | Daughter | Payroll Clerk | Pennsylvania |
| 36 | Cleveland Margaret Maxwell | 13 | Niece | — | Pennsylvania |
| 37 | John Dinneen | 37 | Head | Waiter | Pennsylvania |
| 38 | Mary Dinneen | 32 | Wife | Waitress | Irish Free State |
| 39 | John Dinneen | 9 | Son | — | Pennsylvania |
| 40 | Nora Dinneen | 6 | Daughter | — | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)