MK
Mary Kenny — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Mary Kenny across the 1920, 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 4-person household.
Age 70
b. ~1870
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Kenny |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark city |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark City |
| Est. Birth Year | ~1870 |
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 |
|---|---|---|---|---|
| John Kenny | Head | — | 69 | ~1871 |
| Peter Kenny | Son | — | 31 | ~1909 |
| John Kenny | Son | — | 37 | ~1903 |
| Mary Kenny | Spouse | — | 70 | ~1870 |
Census Appearances
1920
Essex, New …
Spouse, age 49
Essex, New Jersey · implied b. ~1871 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenny |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Scotland |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Essex, New …
Other, age 58
Essex, New Jersey · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kenny |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 20 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Home Owned/Rented | 86 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Spouse, age 70
Essex-County, New Jersey · implied b. ~1870 — 4 household members
| Surname | Kenny |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 70 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark city |
| 1935 Residence (County) | Essex |
| 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 Kenny 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 Kenny
Spouse · 1940 · age 70 · b. ~1870 · 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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02421-00635)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Mcnidder | 52 | Brother | — | New Jersey |
| 2 | Elizabeth Mcnidder | 47 | Sister | Inspector | New Jersey |
| 3 | John Kenny | 69 | Head | Janitor | Irish Free State |
| 4 | Mary Kenny THIS PERSON | 70 | Wife | — | New Jersey |
| 5 | John Jr. Kenny | 37 | Son | Cab. Maker | New Jersey |
| 6 | Peter Kenny | 31 | Son | — | New Jersey |
| 7 | William Hankervis | 43 | Head | Carpenter | England |
| 8 | Jennie Hankervis | 37 | Wife | — | New Jersey |
| 9 | Hilda Hankervis | 13 | Daughter | — | New Jersey |
| 10 | William Hankervis | 9 | Son | — | New Jersey |
| 11 | James Mauriello | 47 | Head | Presser | Italy |
| 12 | Elsie Mauriello | 40 | Wife | — | Italy |
| 13 | Joseph Mauriello | 21 | Son | Grinder | New Jersey |
| 14 | Mildred Mauriello | 20 | Daughter | Finisher | New Jersey |
| 15 | Marie Mauriello | 18 | Daughter | New Worker | New Jersey |
| 16 | Francis Mauriello | 13 | Son | — | New Jersey |
| 17 | Anthony Mauriello | 9 | Son | — | New Jersey |
| 18 | Dolores Mauriello | 5 | Daughter | — | New Jersey |
| 19 | Elizabeth Crook | 67 | Head | Matron | Scotland |
| 20 | Harry Mortone | 40 | Head | Inspector | New Jersey |
| 21 | Nellie Mortone | 39 | Wife | — | New Jersey |
| 22 | Concetta Mortone | 19 | Daughter | New Worker | New Jersey |
| 23 | Agnes Mortone | 14 | Daughter | — | New Jersey |
| 24 | Joseph Mortone | 64 | Head | Labor | Italy |
| 25 | Concetta Mortone | 60 | Wife | — | Italy |
| 26 | William Mortone | 31 | Son | Auto Mechanic | New Jersey |
| 27 | Harry Batick | 47 | Head | Com'L Artist | Poland |
| 28 | John Batick | 22 | Son | Foundry Worker | Delaware |
| 29 | Stephen Batick | 21 | Son | Com'L Artist | New Jersey |
| 30 | Joseph Batick | 21 | Son | — | New Jersey |
| 31 | Eugene Lechner | 56 | Head | Machinist | Germany |
| 32 | Mary Lechner | 49 | Wife | — | Germany |
| 33 | Adolph Lechner | 25 | Son | Asst. Accountant | New Jersey |
| 34 | Nellie Parson | 60 | Head | — | New York |
| 35 | Mildred Mae Parson | 30 | Daughter | — | New Jersey |
| 36 | Joseph H. Mccoy | 44 | Head | Supervisor | New Jersey |
| 37 | Marion Mccoy | 38 | Wife | — | New Jersey |
| 38 | Joseph H. Jr. Mccoy | 11 | Son | — | New Jersey |
| 39 | Anthony Bennett | 30 | Head | Investigator | New York |
| 40 | Bennett | None | Wife | — | — |
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)