MJ
Mary Jennings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Somerset-County, New Jersey
Our Model Tree links this Mary Jennings across the 1930 and 1940 US Censuses in Somerset-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1883), then head of a 9-person household.
Age 57
b. ~1883
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, New Jersey |
| Surname | Jennings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Warren Twp |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Warren Twp |
| Est. Birth Year | ~1883 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Jennings | Daughter | — | 21 | ~1919 |
| Georgette Jennings | Daughter | — | 22 | ~1918 |
| Maude Jennings | Daughter | — | 21 | ~1919 |
| George Jennings | Head | — | 63 | ~1877 |
| Andrew Jennings | Son | — | 14 | ~1926 |
| Jerome Jennings | Son | — | 15 | ~1925 |
| Thomas Jennings | Son | — | 11 | ~1929 |
| Henry Jennings | Son | — | 20 | ~1920 |
| Mary Jennings | Spouse | — | 57 | ~1883 |
Census Appearances
1930
Somerset, New …
Spouse, age 42
Somerset, New Jersey · implied b. ~1888 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jennings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 19 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Holland |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Somerset-County, New …
Spouse, age 57
Somerset-County, New Jersey · implied b. ~1883 — 9 household members
| Surname | Jennings |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Warren Twp |
| 1935 Residence (County) | Somerset |
| Highest Grade | No 3 |
| 1935 Residence | Same House |
| 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 Jennings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Jennings
Spouse · 1940 · age 57 · b. ~1883 · 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 — Somerset-County, New Jersey
Open full size
1940 US Federal Census — Somerset-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02383-00915)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | A. R. Ballinger | 49 | Head | Export Manager | New York |
| 2 | Constantine Yuge | 24 | Housekeeper | Housekeeper | New York |
| 3 | Robert J. Verlick | 51 | Head | Machinist | New York |
| 4 | Lillian Verlick | 42 | Wife | — | New York |
| 5 | Robert Verlick | 13 | Son | — | New Jersey |
| 6 | Gertrude Verlick | 10 | Daughter | — | New Jersey |
| 7 | Kathryn Verlick | 5 | Daughter | — | New Jersey |
| 8 | Rosa Hutar | 72 | Boarder | — | New Jersey |
| 9 | Charles B. Wicht | 61 | Head | Bartender | New Jersey |
| 10 | Kathryn Wicht | 60 | Wife | Agent | New York |
| 11 | Alfred Wicht | 38 | Son | Bartender | New York |
| 12 | C. R. Sloan | 55 | Head | Line Foreman | Pennsylvania |
| 13 | Jessie Sloan | 55 | Wife | — | Ohio |
| 14 | Virginia Jenkins | 23 | Niece | School Teacher | Michigan |
| 15 | Anthony Koro | 50 | Head | Farmer | Poland |
| 16 | Mary Koro | 45 | Wife | — | Pennsylvania |
| 17 | Theodore Koro | 18 | Son | — | New Jersey |
| 18 | Helen Koro | 14 | Daughter | — | New Jersey |
| 19 | Edward Koro | 7 | Son | — | New Jersey |
| 20 | Raymond Kline | 60 | Head | Laborer | Pennsylvania |
| 21 | Ella H. Kline | 53 | Wife | — | New Jersey |
| 22 | Milton Kline | 26 | Son | Tree Setter | New Jersey |
| 23 | Elizabeth Kline | 24 | Daughter | School Teacher | New Jersey |
| 24 | Lillian A. Kline | 21 | Daughter | Housekeeper | New Jersey |
| 25 | Ella H. Kline | 17 | Daughter | — | New Jersey |
| 26 | Oliver H. Kline | 15 | Son | — | New Jersey |
| 27 | Wilbur L. Kline | 30 | Son | Wiper Or Blader | New Jersey |
| 28 | George Jennings | 63 | Head | Home Painter | New Jersey |
| 29 | Mary Jennings THIS PERSON | 57 | Wife | — | New Jersey |
| 30 | Dorothy Jennings | 21 | Daughter | Housework | New Jersey |
| 31 | Georgette Jennings | 22 | Daughter | Housework | New Jersey |
| 32 | Maude Jennings | 21 | Daughter | Housework | New Jersey |
| 33 | Henry Jennings | 20 | Son | Delivery Boy | New Jersey |
| 34 | Jerome Jennings | 15 | Son | — | New Jersey |
| 35 | Andrew Jennings | 14 | Son | — | New Jersey |
| 36 | Thomas Jennings | 11 | Son | — | New Jersey |
| 37 | Albert Anderson | 45 | Head | Manager | Massachusetts |
| 38 | Constance Anderson | 37 | Wife | — | Pennsylvania |
| 39 | W. Y. Miller | 57 | Head | Fireman | New Jersey |
| 40 | Mabel Miller | 48 | Wife | — | 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)