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Mary Kelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Mary Kelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1879), then head of a 4-person household.
Age 61
b. ~1879
Female
Spouse
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | KELLY |
| Given Name | MARY |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | KEARNY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | G 6 |
| 1935 Residence | Same house |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Kearny |
| Est. Birth Year | ~1879 |
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 |
|---|---|---|---|---|
| Graham Kelly | Head | — | 64 | ~1876 |
| John Kelly | Son | — | 25 | ~1915 |
| Graham Kelly | Son | — | 21 | ~1919 |
| Mary Kelly | Spouse | — | 61 | ~1879 |
Census Appearances
Spouse, age 38
Essex, New Jersey · implied b. ~1882 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Scotland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Housekeeper |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Year of Naturalization | 1912 |
| Birthplace (normalized) | scotland |
1930
Essex, New …
Spouse, age 50
Essex, New Jersey · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kelly |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1901 |
| Age at First Marriage | 30 |
| 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 61
Hudson-County, New Jersey · implied b. ~1879 — 4 household members
| Surname | KELLY |
| Given Name | MARY |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | KEARNY |
| 1935 Residence (County) | HUDSON |
| Naturalization Status | Naturalized |
| Highest Grade | G 6 |
| 1935 Residence | Same house |
| 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 Kelly 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 Kelly
Spouse · 1940 · age 61 · b. ~1879 · 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-t0627-02350-00471)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alexander Walker | 35 | Head | Foreman | Scotland |
| 2 | Dorothy Walker | 32 | Wife | — | Vermont |
| 3 | Daniels Walker | 11 | Son | — | Vermont |
| 4 | Francis Moran | 34 | Boarder | Press Oper. | New York |
| 5 | Edward Martinann | 49 | Head | Mailer | England |
| 6 | William Martinann | 24 | Son | Engineer | New Jersey |
| 7 | Pasquale Ferranti | 43 | Head | Yard Laborer | Italy |
| 8 | Anna Ferranti | 34 | Wife | — | Italy |
| 9 | Charles Ferranti | 14 | Son | — | New Jersey |
| 10 | Salvatore Auteri | 67 | Head | — | Italy |
| 11 | Concetta Auteri | 68 | Wife | — | Italy |
| 12 | Leonard Auteri | 30 | Son | Mimeograph Operator | New Jersey |
| 13 | George Putz | 43 | Head | Truck Driver | Poland |
| 14 | Tillie Putz | 41 | Wife | Stationary Engineer | Poland |
| 15 | Joseph Putz | 17 | Son | — | New Jersey |
| 16 | Peter Putz | 6 | Son | — | New Jersey |
| 17 | Theodore Asenheimer | 10 | Boarder | — | New Jersey |
| 18 | Steven Kinder | 47 | Head | Shipping | England |
| 19 | Colette Kinder | 42 | Wife | — | Rhode Island |
| 20 | Jean Kinder | 9 | Daughter | — | Rhode Island |
| 21 | Jannet Kinder | 5 | Daughter | — | New Jersey |
| 22 | David Con Don | 53 | Head | Printing Pressman | England |
| 23 | Leslie Con Don | 24 | Son | Paper Handler | England |
| 24 | Graham Kelly | 64 | Head | Tube Handler | Scotland |
| 25 | Mary Kelly THIS PERSON | 61 | Wife | — | Scotland |
| 26 | John Kelly | 25 | Son | Clerk | Illinois |
| 27 | Graham Kelly | 21 | Son | Stockroom | Canada |
| 28 | Theodore Petrosky | 33 | Head | Paint Technician | New Jersey |
| 29 | Theresa Petrosky | 31 | Wife | — | Mass. |
| 30 | Marlyn Petrosky | 9 | Daughter | — | New Jersey |
| 31 | Earl Harris | 24 | Head | Repairman | New Jersey |
| 32 | Elizabeth Harris | 23 | Wife | Stenographer | Scotland |
| 33 | Robert Heggie | 57 | Head | Stones Clerk | Scotland |
| 34 | Jeanin Heggie | 52 | Wife | — | Scotland |
| 35 | Mary Heggie | 25 | Daughter | Saleslady | Scotland |
| 36 | John Heggie | 12 | Son | Inspector | New Jersey |
| 37 | John Petraszkewicz | 62 | Head | Laborer | Lithuania |
| 38 | Julia Petraszkewicz | 52 | Wife | — | Lithuania |
| 39 | Helen Petraszkewicz | 29 | Daughter | Secretary | New Jersey |
| 40 | Walter Petraszkewicz | 21 | Son | — | New Jersey |
Related Census Records
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)