TJ
Thomas Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Thomas Johnson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1897), then head of a 10-person household.
Age 43
b. ~1897
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Laborer |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1897 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Henrietta Johnson | Daughter | — | 3 | ~1937 |
| Anna Johnson | Daughter | — | 8 | ~1932 |
| Mildred Johnson | Daughter | — | 6 | ~1934 |
| Catherine Johnson | Daughter | — | 7 | ~1933 |
| Clara Johnson | Daughter | — | ~1940 | |
| Hazel Johnson | Daughter | — | 9 | ~1931 |
| Betty Johnson | Daughter | — | 13 | ~1927 |
| Thomas Johnson | Head | — | 43 | ~1897 |
| Benjamin Johnson | Son | — | 1 | ~1939 |
| Clara Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Montgomery, Ohio
Other, age 24
Montgomery, Ohio · implied b. ~1896 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thomas S |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | Black |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Foundry |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Montgomery, Ohio
Head, age 32
Montgomery, Ohio · implied b. ~1898
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 19 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Montgomery-County, Ohio
Head, age 43
Montgomery-County, Ohio · implied b. ~1897 — 10 household members
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Dayton City |
| 1935 Residence (County) | Montgomery |
| Occupation | Laborer |
| Industry | Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Thomas Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Johnson
Head · 1940 · age 43 · b. ~1897 · Ohio
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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 — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03251-00501)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ronald Prior | 0 | Son | — | Ohio |
| 2 | Charles Newsom | 52 | Head | Dispatcher | Indiana |
| 3 | Bonnie A Newsom | 49 | Wife | — | Indiana |
| 4 | Robert Newsom | 14 | Son | — | Indiana |
| 5 | Carrie Jones | 40 | Head | — | North Carolina |
| 6 | Viola Jones | 22 | Daughter | Domestic | North Carolina |
| 7 | Hester Jones | 21 | Daughter | Domestic | North Carolina |
| 8 | Robert Jones | 7 | Son | — | Ohio |
| 9 | Shirley Jones | 5 | Daughter | — | Ohio |
| 10 | Joseph Jones | 1 | Son | — | Ohio |
| 11 | Charles Jones | 0 | Son | — | Ohio |
| 12 | Thomas Johnson THIS PERSON | 43 | Head | Laborer | Tennessee |
| 13 | Clara Johnson | 38 | Wife | — | Tennessee |
| 14 | Betty Johnson | 13 | Daughter | — | Ohio |
| 15 | Hazel Johnson | 9 | Daughter | — | Ohio |
| 16 | Anna Johnson | 8 | Daughter | — | Ohio |
| 17 | Catherine Johnson | 7 | Daughter | — | Ohio |
| 18 | Mildred Johnson | 6 | Daughter | — | Ohio |
| 19 | Henrietta Johnson | 3 | Daughter | — | Ohio |
| 20 | Benjamin Johnson | 1 | Son | — | Ohio |
| 21 | Clara Johnson | 0 | Daughter | — | Ohio |
| 23 | William Finn | 59 | Head | Owner | Pennsylvania |
| 24 | Thomas Finn | 75 | Brother | — | Pennsylvania |
| 25 | Harry Jones | 40 | Head | Owner | Maryland |
| 26 | Janet Jones | 30 | Wife | — | Ohio |
| 27 | Maud Weyandt | 32 | Head | Owner | Ohio |
| 28 | Thomas Finn | 48 | Head | Welder | Ohio |
| 29 | Anna Finn | 48 | Wife | — | Ohio |
| 30 | Ellen Finn | 24 | Daughter | Packer | Ohio |
| 31 | Frank Austin | 49 | Head | Bookkeeper | Ohio |
| 32 | Lila Austin | 45 | Wife | — | Ohio |
| 33 | Frank Jr Austin | 12 | Son | — | Ohio |
| 34 | John Greenwald | 72 | Lodger | — | Ohio |
| 35 | Charles Layne | 40 | Head | Owner | Virginia |
| 36 | Frances Layne | 22 | Wife | — | Ohio |
| 37 | James Uhl | 21 | Head | Kennel Man | Ohio |
| 38 | John Rankin | 62 | Head | Counterman | Pennsylvania |
| 39 | Barbara Rankin | 52 | Wife | — | Ohio |
| 40 | George Rankin | 53 | Brother | — | Pennsylvania |
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)