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Jack Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Leon-County, Texas
Our Model Tree links this Jack Johnson across the 1930 and 1940 US Censuses in Leon-County, Texas (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 10-person household.
Age 14
b. ~1926
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Leon-County, Texas |
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 4 |
| 1935 Residence (County) | Leon |
| Additional Details | |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 4 |
| Est. Birth Year | ~1926 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Jack | Age | Birth yr |
|---|---|---|---|---|
| Annie Johnson | Daughter | — | 4 | ~1936 |
| Ola Johnson | Daughter | — | 1 | ~1939 |
| Mystic Johnson | Daughter | — | 16 | ~1924 |
| Mellie Johnson | Daughter | — | 10 | ~1930 |
| Jessie Johnson | Head | — | 39 | ~1901 |
| Richard Johnson | Son | — | 5 | ~1935 |
| Preston Johnson | Son | — | 12 | ~1928 |
| Marvin Johnson | Son | — | 8 | ~1932 |
| Jack Johnson | Son | — | 14 | ~1926 |
| Melissa Johnson | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Leon, Texas
Son, age 3
Leon, Texas · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Leon-County, Texas
Son, age 14
Leon-County, Texas · implied b. ~1926 — 10 household members
| Surname | Johnson |
| Given Name | Jack |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 4 |
| 1935 Residence (County) | Leon |
| Highest Grade | 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 Jack Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Jack Johnson
Son · 1940 · age 14 · b. ~1926 · Texas
★ You are viewing this record
Sibling
Annie Johnson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ola Johnson
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marvin Johnson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mystic Johnson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Preston Johnson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mellie Johnson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Johnson
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 — Leon-County, Texas
Open full size
1940 US Federal Census — Leon-County, Texas
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-04093-00610)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lunisa Williams | 11 | Son | — | Texas |
| 2 | Sylvia Williams | 9 | Son | — | Texas |
| 3 | Ernestine Williams | 11 | Son | — | Texas |
| 4 | Jessie Johnson | 39 | Head | Farmer | Texas |
| 5 | Melissa Johnson | 34 | Wife | — | Texas |
| 6 | Mystic B. Johnson | 16 | Daughter | — | Texas |
| 7 | Jack Johnson THIS PERSON | 14 | Son | — | Texas |
| 8 | Preston Johnson | 12 | Son | — | Texas |
| 9 | Mellie B. Johnson | 10 | Daughter | — | Texas |
| 10 | Marvin Johnson | 8 | Son | — | Texas |
| 11 | Richard Johnson | 5 | Son | — | Texas |
| 12 | Annie B. Johnson | 4 | Daughter | — | Texas |
| 13 | Ola M. Johnson | 1 | Daughter | — | Texas |
| 14 | Vodie Holland | 33 | Head | Farmer | Texas |
| 15 | Hora Holland | 33 | Wife | — | Texas |
| 16 | Algie Perkins | 16 | Step-son | — | Texas |
| 17 | Velma M. Perkins | 14 | Step-daughter | — | Texas |
| 18 | Ira J. Perkins | 12 | Step-son | — | Texas |
| 19 | Thelma M. Hennes | 10 | Daughter | — | Texas |
| 20 | Loni Holland | 37 | Head | Farmer | Texas |
| 21 | Ruby Holland | 37 | Wife | — | Texas |
| 22 | Earnest Holland | 14 | Son | — | Texas |
| 23 | Hayward Holland | 31 | Head | Farmer | Texas |
| 24 | Sallie Holland | 28 | Wife | — | Texas |
| 25 | Jimmie L. Holland | 4 | Daughter | — | Texas |
| 26 | Bessie Holland | 1 | Daughter | — | Texas |
| 27 | Neomie Holland | 0 | Daughter | — | Texas |
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)