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Robert Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Robert Hart across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Additional Details | |
| Highest Grade | 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Plainfield City |
| Est. Birth Year | ~1930 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Christine Hart | Son | — | 17 | ~1923 |
| Harry Hart | Son | — | 15 | ~1925 |
| Louis Furtado | Other | — | 55 | ~1885 |
| Madeline Hart | Daughter | — | 16 | ~1924 |
| Robert Hart | Son | — | 10 | ~1930 |
| James Hart | Son | — | 5 | ~1935 |
| Lillian Hart | Daughter | — | 14 | ~1926 |
| William Hart | Son | — | 12 | ~1928 |
| Lillian Hart | Head | — | 39 | ~1901 |
Census Appearances
1930
Union, New …
Son, age 1
Union, New Jersey · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Florida |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 10
Union-County, New Jersey · implied b. ~1930 — 9 household members
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Plainfield City |
| 1935 Residence (County) | Union |
| Highest Grade | 4 |
| 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 Robert Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hart
Son · 1940 · age 10 · b. ~1930 · New Jersey
★ You are viewing this record
Sibling
Christine Hart
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Hart
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Hart
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Hart
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Hart
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hart
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02387-00677)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Reggie Fischer | 41 | Head | Butcher | New Jersey |
| 42 | Lynette Fischer | 47 | Wife | — | New Jersey |
| 43 | Jerome Fischer | 22 | Son | — | New Jersey |
| 44 | James Fischer | 20 | Son | — | New Jersey |
| 45 | Raymond Fischer | 14 | Son | — | New Jersey |
| 46 | Nora Hendricks | 63 | Head | — | Ireland |
| 47 | Francis Hendricks | 30 | Son | Support Clerk | New Jersey |
| 48 | Joseph Fagan | 41 | Head | Electrician | New York |
| 49 | Anna Fagan | 37 | Wife | — | New York |
| 50 | Clifford Fagan | 8 | Son | — | New Jersey |
| 51 | Mildred Windon | 36 | Head | Baker | New Hampshire |
| 52 | Elsie Windon | 27 | Daughter | — | Massachusetts |
| 53 | Alma Windon | 4 | Daughter | — | New Jersey |
| 54 | David Windon | 1 | Daughter | — | New Jersey |
| 55 | Lillian Hart | 39 | Head | Waitress | Massachusetts |
| 56 | Christine Hart | 17 | Son | — | New Jersey |
| 57 | Madeline Hart | 16 | Daughter | — | New Jersey |
| 58 | Harry Hart | 15 | Son | — | New Jersey |
| 59 | Lillian Hart | 14 | Daughter | — | New Jersey |
| 60 | William Hart | 12 | Son | — | New Jersey |
| 61 | Robert Hart THIS PERSON | 10 | Son | — | New Jersey |
| 62 | James Hart | 5 | Son | — | New Jersey |
| 63 | Louis Furtado | 55 | Lodger | Paper Hanger & Painter | Cape Verde |
| 64 | William H. Almsted | 63 | Head | Salesman | Canada |
| 65 | Bessie G. Almsted | 70 | Wife | — | New York |
| 66 | Maud H. Almsted | 30 | Daughter | Book-Keeper | New Jersey |
| 67 | Florence E. Kelley | 36 | Head | Practical Nurse | New York |
| 68 | Joseph Neivason | 58 | Head | Detective | New York |
| 69 | Anna Neivason | 53 | Wife | — | Norway |
| 70 | Viola Neivason | 24 | Daughter | Bookkeeper | New Jersey |
| 71 | Norman Neivason | 23 | Son | Stenographer | New Jersey |
| 72 | Jeannette Neivason | 21 | Daughter | Nurse | New Jersey |
| 73 | Robert S. Mathis | 53 | Head | — | New York |
| 74 | Clarence W. Freedom | 40 | Lodger | Machinist | New Jersey |
| 75 | Margaret Freedom | 38 | Wife | — | New Jersey |
| 76 | Clarence Jr. Freedom | 16 | Son | — | New Jersey |
| 77 | Benjamin Freedom | 10 | Son | — | New Jersey |
| 78 | Donald Freedom | 5 | Son | — | New Jersey |
| 79 | John S. Burdick | 56 | Head | Salesman | Pennsylvania |
| 80 | Louise S. Burdick | 44 | Wife | — | England |
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)