TJ
Thomas Johnston — 1940 US Census Record
Model Tree available1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this Thomas Johnston across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed), with identified parents Thomas & Minnie — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Johnston |
| Given Name | Thomas M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston City |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | Clerk |
| Industry | Oil Company |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Clerk |
| Township / Ward | Houston City |
| Est. Birth Year | ~1912 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Rose Johnston | Daughter | — | 26 | ~1914 |
| Minnie Johnston | Spouse | — | 64 | ~1876 |
| Thomas Johnston | Son | — | 28 | ~1912 |
| Thomas Johnston | Head | — | 65 | ~1875 |
Census Appearances
1920
Harris, Texas
Son, age 8
Harris, Texas · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Thomas M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harris, Texas
Son, age 18
Harris, Texas · implied b. ~1912 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Thomas M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harris-County, Texas
Son, age 28
Harris-County, Texas · implied b. ~1912 — 4 household members
| Surname | Johnston |
| Given Name | Thomas M. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Houston City |
| 1935 Residence (County) | Harris |
| Occupation | Clerk |
| Industry | Oil Company |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 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 Thomas Johnston across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Johnston (~0.92 confidence) and mother Minnie Johnston (~0.92 confidence) and mother Etta Johnston (~0.92 confidence) and father John Johnston (~0.92 confidence) and mother Etta-Mae Johnston (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Johnston
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Minnie Johnston
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Etta Johnston
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
John Johnston
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Etta-Mae Johnston
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Johnston
Son · 1940 · age 28 · b. ~1912 · Texas
★ You are viewing this record
Sibling
Rose Johnston
Sibling · 1940 · age 26
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 — Harris-County, Texas
Open full size
1940 US Federal Census — Harris-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04195-00645)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Calvin Stallwood | 23 | Lodger | Truck Driver | Arkansas |
| 42 | Stephen H. Durham | 56 | Head | Doctor (Md) | Texas |
| 43 | Belma T. Durham | 53 | Wife | — | Texas |
| 44 | Stephen H. Jr. Durham | 29 | Son | Salesman | Texas |
| 45 | Thomas M. Johnston | 65 | Head | — | Alabama |
| 46 | Minnie M. Johnston | 64 | Wife | — | Texas |
| 47 | Thomas M. Jr. Johnston THIS PERSON | 28 | Son | Clerk | Texas |
| 48 | Rose M. Johnston | 26 | Daughter | Clerk | Texas |
| 49 | John J. Craig | 30 | Head | Representative | Texas |
| 50 | Mary A. Craig | 28 | Wife | — | Louisiana |
| 51 | Milton Goodman | 33 | Head | Secretary | Missouri |
| 52 | Sophie R. Goodman | 26 | Wife | — | Texas |
| 53 | Camilla R. Langley | 51 | Head | — | Texas |
| 54 | Eugene L. Mittal | 34 | Son | Salesman | Louisiana |
| 55 | Charles A. Temple | 33 | Lodger | Elec. Welder | Louisiana |
| 56 | Harry E. Laird | 49 | Head | Employer | Ohio |
| 57 | Bessie L. Laird | 50 | Wife | — | Tennessee |
| 58 | Martin C. Anderson | 64 | Head | Salesman | Illinois |
| 59 | Mamie L. Anderson | 51 | Wife | — | Illinois |
| 60 | Anita La Rose | 25 | Lodger | Operator | Texas |
| 61 | Marjorie Marek | 22 | Lodger | Secretary | Texas |
| 62 | Kenneth Edrington | 34 | Head | Geophysicist | Louisiana |
| 63 | Fay Edrington | 30 | Wife | — | Texas |
| 64 | Kenneth Jr. Edrington | 4 | Son | — | Texas |
| 65 | Edith E. Landgrebe | 36 | Head | Secretary | Illinois |
| 66 | Theresa Landgrebe | 67 | Mother | — | Illinois |
| 67 | Rebecca Crim | 23 | Lodger | Secretary | Texas |
| 68 | Mark K. Witt | 26 | Head | Seismographist | Texas |
| 69 | Jane S. Witt | 23 | Wife | — | Texas |
| 70 | Dorothy K. Witt | 1 | Daughter | — | Texas |
| 71 | Dorothy Scarborough | 25 | Lodger | — | Texas |
| 72 | Edgar J. Kalin | 50 | Head | Salesman | Texas |
| 73 | Ellen Kalin | 50 | Wife | — | Texas |
| 74 | Julius Kalin | 23 | Son | — | Illinois |
| 75 | Jay L. Edgerton | 50 | Head | — | Texas |
| 76 | Margaret A. Edgerton | 74 | Mother | — | Tennessee |
| 77 | Adelle Edgerton | 39 | Sister | Secretary | Texas |
| 78 | Alton B. Ferguson | 36 | Head | Salesman | Texas |
| 79 | Lu Nelle Ferguson | 26 | Wife | — | Texas |
| 80 | Sharon A. Ferguson | 2 | Daughter | — | Texas |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)