JL
James Leonard — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Salem-County, New Jersey
Our Model Tree links this James Leonard across the 1920, 1930 and 1940 US Censuses in Salem-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 4-person household.
Age 64
b. ~1876
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Salem-County, New Jersey |
| Surname | Leonard |
| Given Name | James Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Oldmans Twp |
| 1935 Residence (County) | Salem |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Farmer |
| Township / Ward | Oldmans Twp |
| Est. Birth Year | ~1876 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Leonard | Head | — | 64 | ~1876 |
| William Leonard | Son | — | 27 | ~1913 |
| Frank Leonard | Son | — | 37 | ~1903 |
| Anna Leonard | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Salem, New …
Head, age 47
Salem, New Jersey · implied b. ~1873 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James R |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Salem, New …
Head, age 57
Salem, New Jersey · implied b. ~1873 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 27 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Farmer |
| Industry | Own farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Salem-County, New …
Head, age 64
Salem-County, New Jersey · implied b. ~1876 — 4 household members
| Surname | Leonard |
| Given Name | James Jr. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Oldmans Twp |
| 1935 Residence (County) | Salem |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | E |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 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 Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Leonard
Head · 1940 · age 64 · b. ~1876 · 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 — Salem-County, New Jersey
Open full size
1940 US Federal Census — Salem-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02380-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Humphrey | 50 | Wife | — | Virginia |
| 2 | Phillip Humphrey | 26 | Son | Laborer | New Jersey |
| 3 | Arthur Humphrey | 20 | Son | — | New Jersey |
| 4 | James Humphrey | 18 | Son | Laborer | New Jersey |
| 5 | Mildred Humphrey | 14 | Daughter | — | New Jersey |
| 6 | Dorothy Humphrey | 9 | Daughter | — | New Jersey |
| 7 | Isabell Humphrey | 6 | Daughter | — | New Jersey |
| 8 | James Jr. Leonard THIS PERSON | 64 | Head | Farmer | New Jersey |
| 9 | Anna Leonard | 65 | Wife | — | New Jersey |
| 10 | Frank (S) Leonard | 37 | Son | Farmer | New Jersey |
| 11 | William Leonard | 27 | Son | Salesman | New Jersey |
| 12 | James Sanders | 22 | Head | Laborer | Virginia |
| 13 | Hazel (S) Sanders | 22 | Wife | — | Virginia |
| 14 | Diane Sanders | 3 | Daughter | — | New Jersey |
| 15 | Ollie Mussumeci | 43 | Head | Farm Operator | Italy |
| 16 | Santina (S) Mussumeci | 32 | Wife | — | Italy |
| 17 | Anthony Mussumeci | 13 | Son | — | New Jersey |
| 18 | Angeline Mussumeci | 11 | Daughter | — | New Jersey |
| 19 | Rosie Mussumeci | 7 | Daughter | — | New Jersey |
| 20 | Richard White | 33 | Head | Farmer | Virginia |
| 21 | Sally (S) White | 29 | Wife | — | Virginia |
| 22 | Richard Jr. White | 12 | Son | — | Virginia |
| 23 | Ralph White | 7 | Son | — | Virginia |
| 24 | Raymond White | 4 | Son | — | Virginia |
| 25 | Alice White | 2 | Daughter | — | Virginia |
| 26 | William Lawson | 29 | Head | Farm Laborer | Virginia |
| 27 | Dorothy Lawson | 17 | Wife | — | Virginia |
| 28 | Walker Lawson | 27 | Brother-in-law | Farm Laborer | Virginia |
| 29 | Erma Lawson | 20 | Sister-in-law | — | Virginia |
| 30 | William Armistead | 21 | Brother-in-law | Laborer | Virginia |
| 31 | Doris (S) Armistead | 18 | Sister | — | Virginia |
| 32 | James (S) Tighe | 32 | Head | Farm Operator | New Jersey |
| 33 | Mary C. Tighe | 24 | Wife | — | New Jersey |
| 34 | Ralph Tighe | 1 | Son | — | New Jersey |
| 35 | Michael Nephane | 86 | Head | General Manager | Ireland |
| 36 | Mary (S) Nephane | 52 | Daughter | Helper On Farm | New Jersey |
| 37 | Ellen Nephane | 48 | Daughter | Helper On Farm | New Jersey |
| 38 | Michael A. Nephane | 45 | Son | Farmer | New Jersey |
| 39 | Clinton Jr. (S) Coley | 35 | Head | Laborer | Virginia |
| 40 | Thelma Richard Coley | 26 | Wife | Laborer | Virginia |
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)