JH
James Hardy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this James Hardy across the 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Hardy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | New worker |
| Class of Worker | GW |
| Hours Worked | 3 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | New Worker |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Florence Hardy | Daughter | — | 9 | ~1931 |
| Clarence Hardy | Son | — | 13 | ~1927 |
| Pearl Hardy | Spouse | — | 39 | ~1901 |
| Margaret Hardy | Daughter | — | 17 | ~1923 |
| Sydney Hardy | Son | — | 8 | ~1932 |
| Ella Hardy | Daughter | — | 6 | ~1934 |
| Pearl Hardy | Daughter | — | 11 | ~1929 |
| James Hardy | Son | — | 19 | ~1921 |
| Varl Hardy | Head | — | 40 | ~1900 |
| Varl Hardy | Son | — | 20 | ~1920 |
| Melvin Hardy | Son | — | 4 | ~1936 |
Census Appearances
1930
Union, New …
Son, age 8
Union, New Jersey · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardy |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 19
Union-County, New Jersey · implied b. ~1921 — 11 household members
| Surname | Hardy |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Occupation | New worker |
| Class of Worker | GW |
| Hours Worked | 3 |
| Highest Grade | Hs 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 James Hardy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hardy
Son · 1940 · age 19 · b. ~1921 · New Jersey
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Sibling
Varl Hardy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sydney Hardy
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Hardy
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Hardy
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Hardy
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ella Hardy
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Hardy
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hardy
Sibling · 1940 · age 17
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-t0627-02398-00241)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Hattie E. Koon | 48 | Head | House Work | So Carolina |
| 42 | Blount | 48 | Head | House Work | So Carolina |
| 43 | Lawrence Bailey | 55 | Head | Grinder | Georgia |
| 44 | Cora Bailey | 52 | Wife | House Work | Georgia |
| 45 | Charles Daly | 54 | Lodger | Washer | Canada-Eng |
| 46 | Lawson Chase | 35 | Lodger | Elevator Operator | New Jersey |
| 47 | Robert Tobe | 36 | Head | Barber | So Carolina |
| 48 | Mabel Tobe | 35 | Wife | House Work | So Carolina |
| 49 | Mildred T. Tobe | 9 | Daughter | — | New Jersey |
| 50 | Alonzo Tobe | 12 | Nephew | — | So Carolina |
| 51 | Charles Townsend | 34 | Head | Laborer | Florida |
| 52 | Lillian Townsend | 34 | Wife | Physiotherapist | So Carolina |
| 53 | Elma Lee Townsend | 13 | Daughter | House Work | New Jersey |
| 54 | C. Russell Townsend | 11 | Son | — | New Jersey |
| 55 | J. Donald Townsend | 5 | Son | — | New Jersey |
| 56 | William Mccauley | 61 | Head | Foreman | New Jersey |
| 57 | Louise Mccauley | 61 | Wife | — | Germany |
| 58 | Leo Harris | 41 | Head | Driver Truck | Georgia |
| 59 | Marie Harris | 38 | Wife | — | Pennsylvania |
| 60 | Charles W. Harris | 18 | Son | New Worker | New Jersey |
| 61 | Thomas Harris | 15 | Son | — | New Jersey |
| 62 | Varl Hardy | 40 | Head | Laborer | Virginia |
| 63 | Pearl Hardy | 39 | Wife | House Work | Virginia |
| 64 | Varl Jr Hardy | 20 | Son | Porter | Washington DC |
| 65 | James Hardy THIS PERSON | 19 | Son | New Worker | New Jersey |
| 66 | Margaret Hardy | 17 | Daughter | House Work | New Jersey |
| 67 | Clarence Hardy | 13 | Son | — | New Jersey |
| 68 | Pearl Hardy | 11 | Daughter | — | New Jersey |
| 69 | Florence Hardy | 9 | Daughter | — | New Jersey |
| 70 | Sydney Hardy | 8 | Son | — | New Jersey |
| 71 | Ella May Hardy | 6 | Daughter | — | New Jersey |
| 72 | Melvin Hardy | 4 | Son | — | New Jersey |
| 73 | John Walker | 32 | Head | Laborer | Virginia |
| 74 | Florence Walker | 28 | Wife | — | Virginia |
| 75 | Elaine Walker | 11 | Daughter | — | New Jersey |
| 76 | Bernard Power | 30 | Lodger | Driver | Virginia |
| 77 | Evelyn Power | 22 | Lodger's Wife | — | Virginia |
| 78 | Harmon S. Johnson | 34 | Head | Laborer | So Carolina |
| 79 | Goldie Johnson | 33 | Wife | Presser | Virginia |
| 80 | Hilory Griffin | 27 | Lodger | Laborer | No Carolina |
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)