LJ
Leroy Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Missouri
Our Model Tree links this Leroy Johnson across the 1920, 1930 and 1940 US Censuses in Jackson-County, Missouri (XGBoost, ~Confirmed) — first a head (b.~1903), then head of a 10-person household.
Age 37
b. ~1903
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Missouri |
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Occupation | Pipe Setter |
| Industry | Sewer Const |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 51 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Pipe Setter |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1903 |
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 Leroy | Age | Birth yr |
|---|---|---|---|---|
| Clinton Tucker | Other | — | 43 | ~1897 |
| Leroy Johnson | Head | — | 37 | ~1903 |
| Beatrice Johnson | Daughter | — | 12 | ~1928 |
| Leroy Johnson | Son | — | 7 | ~1933 |
| Ida Johnson | Daughter | — | 10 | ~1930 |
| Rose Johnson | Daughter | — | 6 | ~1934 |
| Lucille Johnson | Spouse | — | 38 | ~1902 |
| Freda Johnson | Daughter | — | 14 | ~1926 |
| Birdie Johnson | Daughter | — | 16 | ~1924 |
| Edith Johnson | Daughter | — | 3 | ~1937 |
Census Appearances
1920
X, Missouri
Other, age 17
X, Missouri · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | cousin |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Labor |
| Industry | Glass factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Jackson, Missouri
Head, age 28
Jackson, Missouri · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 21 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Veteran | No |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Jackson-County, Missouri
Head, age 37
Jackson-County, Missouri · implied b. ~1903 — 10 household members
| Surname | Johnson |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Occupation | Pipe Setter |
| Industry | Sewer Const |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 51 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Leroy Johnson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Johnson
Head · 1940 · age 37 · b. ~1903 · Missouri
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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 — Jackson-County, Missouri
Open full size
1940 US Federal Census — Jackson-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02168-00006)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bessie Harris | 49 | Head | Seamstress | Virginia |
| 2 | Johnnie Stepneyer | 21 | Daughter | — | St. Louis |
| 3 | Estra Stepneyer | 19 | Son | — | Virginia |
| 4 | Stewart Milan | 48 | Head | Laborer | Missouri |
| 5 | Viola Milan | 39 | Wife | — | Missouri |
| 6 | Henry Simpson | 31 | Head | Rock Breaker | Louisiana |
| 7 | Beatrice Guy | 28 | Lodger | — | Oklahoma |
| 8 | Willie Simpson | 19 | Lodger | Ice Planter | Arkansas |
| 9 | Leroy Johnson THIS PERSON | 37 | Head | Pipe Setter | Missouri |
| 10 | Lucille Johnson | 38 | Wife | — | Missouri |
| 11 | Birdie Johnson | 16 | Daughter | — | Missouri |
| 12 | Freda A. Johnson | 14 | Daughter | — | Missouri |
| 13 | Beatrice Johnson | 12 | Daughter | — | Missouri |
| 14 | Ida Mae Johnson | 10 | Daughter | — | Missouri |
| 15 | Leroy Jr. Johnson | 7 | Son | — | Missouri |
| 16 | Rose Marie Johnson | 6 | Daughter | — | Missouri |
| 17 | Edith Johnson | 3 | Daughter | — | Missouri |
| 18 | Clinton Tucker | 43 | Lodger | Janitor | Texas |
| 19 | William Green | 47 | Head | Coal Truck Driver | Tennessee |
| 20 | Flora Green | 42 | Wife | — | Illinois |
| 21 | Cornelius Green | 22 | Son | Truck Loader | Oklahoma |
| 22 | William Green | 15 | Son | Laundress | Missouri |
| 23 | Ella Mae Smith | 20 | Daughter | — | Oklahoma |
| 24 | Clara Mae Smith | 4 | Daughter | — | Missouri |
| 25 | Clarence Smith | 1 | Daughter | — | Missouri |
| 26 | Geneva Lucas | 17 | Daughter | — | Missouri |
| 27 | Claudine Lucas | 1 | Daughter | — | Missouri |
| 28 | Wilma Hughes | 22 | Lodger | Seamstress | Missouri |
| 29 | Willis Robnett | 59 | Head | Truck Driver | Missouri |
| 30 | Leon Pettis | 46 | Head | Hod-Carrier | Missouri |
| 31 | Outha Pettis | 48 | Wife | — | Missouri |
| 32 | Richard Spencer | 53 | Lodger | Clerk | Louisiana |
| 33 | Andrew King | 37 | Lodger | — | Missouri |
| 34 | William Walker | 65 | Lodger | — | S. Carolina |
| 35 | Beatrice Green | 17 | Lodger | Maid | Missouri |
| 36 | Isaiah Garrett | 40 | Head | Hod-Carrier | Arkansas |
| 37 | Marguerite Smith | 38 | Lodger | Maid | Arkansas |
| 38 | Lula Brooks | 27 | Lodger | — | Texas |
| 39 | John Nolan | 60 | Lodger | — | Texas |
| 40 | Reuben Nolan | 55 | Lodger | — | 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)