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Mary Mcelroy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Atlantic-County, New Jersey
Our Model Tree links this Mary Mcelroy across the 1930 and 1940 US Censuses in Atlantic-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Atlantic-County, New Jersey |
| Surname | McElroy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Absecon city |
| 1935 Residence (County) | Atlantic |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Absecon City |
| Est. Birth Year | ~1894 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mcelroy | Spouse | — | 46 | ~1894 |
| Elizabeth Mcelroy | Daughter | — | 15 | ~1925 |
| Alice Mcelroy | Daughter | — | 10 | ~1930 |
| William Mcelroy | Head | — | 43 | ~1897 |
| Laura Mcelroy | Daughter | — | 17 | ~1923 |
| James Mcelroy | Other | — | 84 | ~1856 |
Census Appearances
1930
Atlantic, New …
Other, age 36
Atlantic, New Jersey · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McElroy |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 26 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Industry | Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Atlantic-County, New …
Spouse, age 46
Atlantic-County, New Jersey · implied b. ~1894 — 6 household members
| Surname | McElroy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Absecon city |
| 1935 Residence (County) | Atlantic |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Mcelroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Mcelroy
Spouse · 1940 · age 46 · b. ~1894 · 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 — Atlantic-County, New Jersey
Open full size
1940 US Federal Census — Atlantic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02300-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Salinero | 51 | Head | Poultry Raising | Italy |
| 42 | Madeline Salinero | 36 | Wife | — | Penna |
| 43 | Adeline Salinero | 13 | Daughter | — | New Jersey |
| 44 | John Salinero | 12 | Son | — | New Jersey |
| 45 | Nicholas Chaffie | 25 | Head | Farmer | Penna |
| 46 | Evelyn Chaffie | 19 | Wife | — | New Jersey |
| 47 | Mary Ballesteria | 25 | Head | Farmer Helper | New Jersey |
| 48 | James Ballesteria | 29 | Husband | Farmer | Penna |
| 49 | Ralph Ballesteria | 7 | Son | — | New York |
| 50 | Wm C Harmon | 55 | Head | Farmer | Delaware |
| 51 | Mary Harmon | 45 | Wife | — | Delaware |
| 52 | Lucian Dansley | 26 | Boarder | Painter | S. Carolina |
| 53 | James Macdonald | 69 | Boarder | Laborer | S. Carolina |
| 54 | Charles Madison | 78 | Head | — | N. Carolina |
| 55 | Ada Madison | 67 | Wife | — | Virginia |
| 56 | Attilie Noell | 57 | Head | — | Virginia |
| 57 | Carl Jr Noell | 27 | Son | Any Kind | New Jersey |
| 58 | Joseph Prettyman | 54 | Head | Machinist | Penna |
| 59 | Elizabeth Prettyman | 46 | Wife | Helper | Penna |
| 60 | Thomas Prettyman | 18 | Son | — | Penna |
| 61 | Joseph Prettyman | 17 | Son | — | Penna |
| 62 | John Prettyman | 15 | Son | — | Penna |
| 63 | William Mcelroy | 43 | Head | Chef | Penna |
| 64 | Mary Mcelroy THIS PERSON | 46 | Wife | — | New Jersey |
| 65 | Laura May Mcelroy | 17 | Daughter | — | New Jersey |
| 66 | Elizabeth Mcelroy | 15 | Daughter | — | New Jersey |
| 67 | Alice Mcelroy | 10 | Daughter | — | New Jersey |
| 68 | James Mcelroy | 84 | Father | — | Penna |
| 69 | James Douglas | 53 | Head | — | Scotland |
| 70 | Mae Douglas | 41 | Wife | — | Penna |
| 71 | Thomas King | 32 | Head | Handyman | New Jersey |
| 72 | Alice King | 32 | Wife | — | New Jersey |
| 73 | Bobby Robert King | 7 | Son | — | New Jersey |
| 74 | Patricia King | 1 | Daughter | — | New Jersey |
| 75 | John King | 67 | Father | — | New Jersey |
| 76 | Frederic Adkisson | 50 | Head | Bayman | Penna |
| 77 | Susie Adkisson | 45 | Wife | — | New Jersey |
| 78 | Charles Adkisson | 24 | Son | Bayman | New Jersey |
| 79 | Raymond Adkisson | 22 | Son | — | New Jersey |
| 80 | Russell Adkisson | 16 | Son | — | 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)