LJ
Leon Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Leon Johnson across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1928 |
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 Leon | Age | Birth yr |
|---|---|---|---|---|
| Louise Johnson | Daughter | — | 17 | ~1923 |
| Constance Johnson | Daughter | — | 8 | ~1932 |
| Richard Johnson | Son | — | 2 | ~1938 |
| Leon Johnson | Son | — | 12 | ~1928 |
| James Johnson | Head | — | 41 | ~1899 |
| Leslie Johnson | Daughter | — | 4 | ~1936 |
| Curtis Johnson | Son | — | 19 | ~1921 |
| Enid Johnson | Daughter | — | 14 | ~1926 |
| Robert Johnson | Son | — | 6 | ~1934 |
| Lena Johnson | Spouse | — | 38 | ~1902 |
| John Johnson | Son | — | 16 | ~1924 |
Census Appearances
1930
Hudson, New …
Son, age 2
Hudson, New Jersey · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Son, age 12
Hudson-County, New Jersey · implied b. ~1928 — 11 household members
| Surname | Johnson |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Highest Grade | No 6 |
| 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 Leon Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leon Johnson
Son · 1940 · age 12 · b. ~1928 · New Jersey
★ You are viewing this record
Sibling
John Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Louise Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Curtis Johnson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Constance Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leslie Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Enid Johnson
Sibling · 1940 · age 14
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02405-00726)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jean Rusade | 5 | Daughter | — | New Jersey |
| 2 | Anthony Laporta | 45 | Head | Baker | Italy |
| 3 | Joseph Laporta | 25 | Son | Stat. Clerk | New Jersey |
| 4 | Gus Laporta | 21 | Son | Baker | New Jersey |
| 5 | Dominick Laporta | 18 | Son | Baker | New Jersey |
| 6 | Samuel Laporta | 14 | Son | — | New Jersey |
| 7 | Herman Lee | 22 | Head | Presser | New Jersey |
| 8 | Gladys Lee | 20 | Wife | — | New Jersey |
| 9 | Herman Jr. Lee | 0 | Son | — | New Jersey |
| 10 | Lemon Lee | 73 | Father | — | California |
| 11 | Wilson Mcclay | 48 | Head | Laborer | Florida |
| 12 | Flossie Mcclay | 28 | Wife | House Work | S. Carolina |
| 13 | Annie Robinson | 55 | Mother | — | Florida |
| 14 | Leroy Mason | 26 | Head | Laborer | Virginia |
| 15 | Maranda Mason | 27 | Wife | House Work | Virginia |
| 16 | Ora Blunt | 23 | Sister in law | Domestic | Virginia |
| 17 | Russell Blunt | 14 | Nephew | — | Virginia |
| 18 | Elizabeth Mason | 57 | Mother | — | Virginia |
| 19 | Eliza Griffin | 48 | Head | Domestic | Virginia |
| 20 | Albert Williams | 25 | Nephew | Window Cleaner | Virginia |
| 21 | James Johnson | 41 | Head | Clerk | S. Carolina |
| 22 | Lena Johnson | 38 | Wife | — | Virginia |
| 23 | Curtis Johnson | 19 | Son | Laborer | New Jersey |
| 24 | Louise Johnson | 17 | Daughter | — | New Jersey |
| 25 | John Johnson | 16 | Son | — | New Jersey |
| 26 | Enid Johnson | 14 | Daughter | — | New Jersey |
| 27 | Leon Johnson THIS PERSON | 12 | Son | — | New Jersey |
| 28 | Constance Johnson | 8 | Daughter | — | New Jersey |
| 29 | Robert Johnson | 6 | Son | — | New Jersey |
| 30 | Leslie Johnson | 4 | Daughter | — | New Jersey |
| 31 | Richard Johnson | 2 | Son | — | New Jersey |
| 32 | Nelson Davis | 40 | Head | Laborer | S. Carolina |
| 33 | Viola Davis | 38 | Wife | — | Georgia |
| 34 | Fred Davis | 14 | Son | — | New Jersey |
| 35 | Homer Houghtalin | 37 | Head | Gas Maker | New York |
| 36 | Thomas Houghtalin | 15 | Son | — | New York |
| 37 | Barbara Houghtalin | 13 | Daughter | — | New York |
| 38 | Homer Jr. Houghtalin | 10 | Son | — | New Jersey |
| 39 | Richard Houghtalin | 8 | Son | — | New Jersey |
| 40 | Peter Kennedy | 38 | Head | Relief | Ireland |
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)