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Mary Long — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Somerset-County, New Jersey
Our Model Tree links this Mary Long across the 1920, 1930 and 1940 US Censuses in Somerset-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Somerset-County, New Jersey |
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bridgewater Twp. |
| 1935 Residence (County) | Somerset |
| Additional Details | |
| Occupation | Deliverer Papers |
| Industry | Carrier News |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 150 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Deliverer Papers |
| Township / Ward | Bridgewater Twp |
| Est. Birth Year | ~1912 |
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 |
|---|---|---|---|---|
| Mary Long | Daughter | — | 5 | ~1935 |
| J Long | Head | — | 29 | ~1911 |
| John Long | Son | — | 2 | ~1938 |
| Mary Long | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Mercer, New …
Other, age 8
Mercer, New Jersey · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Can Read | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Other, age 18
Mercer, New Jersey · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Long |
| Given Name | Mary |
| Relationship to Head | Boarder |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Somerset-County, New …
Spouse, age 28
Somerset-County, New Jersey · implied b. ~1912 — 4 household members
| Surname | Long |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Bridgewater Twp. |
| 1935 Residence (County) | Somerset |
| Occupation | Deliverer Papers |
| Industry | Carrier News |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 150 |
| Highest Grade | H 2 |
| 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 Long 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 Long
Spouse · 1940 · age 28 · b. ~1912 · 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-t0627-02382-00560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. W. Long | 29 | Head | Farmer | New Jersey |
| 42 | Mary E. Long THIS PERSON | 28 | Wife | Deliverer Papers | New Jersey |
| 43 | Mary Anna Long | 5 | Daughter | — | New Jersey |
| 44 | John Long | 2 | Son | — | New Jersey |
| 45 | William E. Sanford | 63 | Head | Farmer | North Carolina |
| 46 | Frances Sanford | 54 | Wife | — | New York |
| 47 | Peggy Prior Sanford | 19 | Daughter | — | New Jersey |
| 48 | George Vreeland | 55 | Head | Labourer | New Jersey |
| 49 | Edith Vreeland | 44 | Wife | — | New Jersey |
| 50 | George Jr. Vreeland | 21 | Son | White Hall | New Jersey |
| 51 | James Vreeland | 17 | Son | — | New Jersey |
| 52 | Ellsworth Vreeland | 14 | Son | — | New Jersey |
| 53 | Cathern Vreeland | 13 | Daughter | — | New Jersey |
| 54 | William Vreeland | 11 | Son | — | New Jersey |
| 55 | John Vreeland | 10 | Son | — | New Jersey |
| 56 | Julius Newell | 49 | Head | Millwright | Massachusetts |
| 57 | Rosey E. Newell | 43 | Wife | — | Pennsylvania |
| 58 | Frank R. Newell | 17 | Son | Truck Driver | New Jersey |
| 59 | Garrie B. Hardenbrook | 54 | Head | Salesman | Pennsylvania |
| 60 | Cora B. Hardenbrook | 56 | Wife | — | Illinois |
| 61 | Cora J. Hardenbrook | 27 | Daughter | Clerical | Illinois |
| 62 | Garrie B. Hardenbrook | 26 | Son | Civil Engineer | Illinois |
| 63 | Walter E. Hardenbrook | 23 | Son | Accountant | Illinois |
| 64 | Harold Hyser | 42 | Head | Farmer | New Jersey |
| 65 | Joseph Persivale | 33 | Head | Waiter | Italy |
| 66 | Jeanette Persivale | 32 | Wife | — | Italy |
| 67 | Joseph Persivale | 1 | Son | — | New Jersey |
| 68 | Daniel Cieri | 61 | Father in law | Painter | Italy |
| 69 | Thurman Ayers | 46 | Head | Retired | New Jersey |
| 70 | Albert Ayers | 19 | Son | Research Chemist | New Jersey |
| 71 | Florence Ayers | 16 | Daughter | — | New Jersey |
| 72 | Julius Gall | 63 | Head | Farmer | Germany |
| 73 | Amelia Gall | 56 | Wife | — | Germany |
| 74 | Julius Jr. Gall | 29 | Son | Laborer | New Jersey |
| 75 | Albert W. Gall | 23 | Son | Laborer | New Jersey |
| 76 | Arthur Gall | 21 | Son | Laborer | New Jersey |
| 77 | John Jenness | 77 | Head | Carpenter | New Jersey |
| 78 | Mary E. Jenness | 76 | Wife | — | New Jersey |
| 79 | Richard Jenness | 17 | Son | Farmer | New Jersey |
| 80 | Walter Jenness | 13 | 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)