MW
Mary Wallace — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Wallace across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Wallace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1866 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Wallace | Daughter | — | 51 | ~1889 |
| Isabelle Wallace | Daughter | — | 42 | ~1898 |
| Andrew Wallace | Head | — | 78 | ~1862 |
| Mary Wallace | Spouse | — | 74 | ~1866 |
Census Appearances
1920
Hudson, New …
Spouse, age 51
Hudson, New Jersey · implied b. ~1869 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1881 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | scotland |
1930
Hudson, New …
Spouse, age 62
Hudson, New Jersey · implied b. ~1868 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1880 |
| Age at First Marriage | 18 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Hudson-County, New …
Spouse, age 74
Hudson-County, New Jersey · implied b. ~1866 — 4 household members
| Surname | Wallace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Naturalization Status | Naturalized |
| Highest Grade | No 4 |
| 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 Wallace 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 Wallace
Spouse · 1940 · age 74 · b. ~1866 · New Jersey
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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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02408-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Elin | 5 | Son | — | New Jersey |
| 42 | Georgia Elin | 4 | Daughter | — | New Jersey |
| 43 | Eva Slobodich | 71 | Mother-law | — | Russia |
| 44 | John C Kelleher | 55 | Head | Clerk | New Jersey |
| 45 | Margaret Kelleher | 53 | Wife | — | New Jersey |
| 46 | Joseph Kelleher | 27 | Son | Salesman | New Jersey |
| 47 | Margaret Kelleher | 24 | Daughter | Stenograph- | New Jersey |
| 48 | Harry Kelleher | 20 | Son | — | New Jersey |
| 49 | James Kelleher | 17 | Son | — | New Jersey |
| 50 | A. Merve Smith | 55 | Head | Teacher | New Jersey |
| 51 | Sara R. Smith | 37 | Daughter | Teacher | New Jersey |
| 52 | Frank E. Jr Smith | 28 | Son | Checker | New Jersey |
| 53 | Joseph C. Smith | 25 | Son | Mechanic | New Jersey |
| 54 | Cornelius Hamill | 56 | Brother | Salesman | New Jersey |
| 55 | Mark Silberberg | 52 | Head | Salesman | New Jersey |
| 56 | Bertha Silberberg | 30 | Wife | — | New Jersey |
| 57 | Marjorie Silberberg | 6 | Daughter | — | New Jersey |
| 58 | Jacob Kern | 57 | Head | Electrician | New Jersey |
| 59 | Florence Kern | 41 | Wife | — | New Jersey |
| 60 | Joan Kern | 8 | Daughter | — | New Jersey |
| 61 | Florence Linden | 24 | Daughter | Clerk | New Jersey |
| 62 | Ernestine Gantzhorn | 89 | Mother-law | — | Germany |
| 63 | William T Murphy | 57 | Head | Buyer | Illinois |
| 64 | Elizabeth Murphy | 51 | Wife | — | New Jersey |
| 65 | Lawrence Doyle | 33 | Son-in-law | Clerk | New Jersey |
| 66 | Elizabeth Doyle | 31 | Daughter | Clerk | New Jersey |
| 67 | William Gough | 40 | Head | Accountant | New Jersey |
| 68 | Lillian Gough | 34 | Wife | — | New Jersey |
| 69 | William Jr Gough | 9 | Daughter | — | New Jersey |
| 70 | Emma Gough | 64 | Mother | — | New York |
| 71 | Daniel Maddon | 59 | Head | Sales | New Jersey |
| 72 | Helen Maddon | 47 | Wife | Cashier | New Jersey |
| 73 | Andrew Wallace | 78 | Head | — | Scotland |
| 74 | Mary Wallace THIS PERSON | 74 | Wife | — | Scotland |
| 75 | Elizabeth Wallace | 51 | Daughter | Teacher | New York |
| 76 | Isabelle Wallace | 42 | Daughter | Refusal | New Jersey |
| 77 | Thomas Mulrow | 62 | Head | Mechanic | Ireland |
| 78 | Helen Mulrow | 33 | Daughter | — | New Jersey |
| 79 | Loretta Mulrow | 33 | Daughter | Stenographer | New Jersey |
| 80 | Thomas J. Mulrow | 30 | Son | Stenographer | New Jersey |
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)