TJ
Thelma Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Alabama
Our Model Tree links this Thelma Johnson across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Alabama (XGBoost, ~Confirmed), with identified parents Mollie & William — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Alabama |
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Beautician |
| Industry | Beauty Shop |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 700 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Beautician |
| Township / Ward | Montgomery |
| Est. Birth Year | ~1919 |
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 Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Johnson | Daughter | — | 21 | ~1919 |
| William Johnson | Head | — | 51 | ~1889 |
| James Johnson | Son | — | 17 | ~1923 |
| Mollie Johnson | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Montgomery, Alabama
Daughter, age
Montgomery, Alabama · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Montgomery, Alabama
Daughter, age 11
Montgomery, Alabama · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Montgomery-County, Alabama
Daughter, age 21
Montgomery-County, Alabama · implied b. ~1919 — 4 household members
| Surname | Johnson |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Occupation | Beautician |
| Industry | Beauty Shop |
| Class of Worker | OA |
| Hours Worked | 20 |
| Income (1939) | 700 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Thelma Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mollie Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and father William Johnson (~0.92 confidence) and mother Mollie Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mollie Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
William Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Johnson
b. ~1886
Source father
● Household
· direct · ~0.92
Father
William Johnson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Mollie Johnson
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Johnson
Daughter · 1940 · age 21 · b. ~1919 · Alabama
★ You are viewing this record
Sibling
James Johnson
Sibling · 1940 · age 17
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 — Montgomery-County, Alabama
Open full size
1940 US Federal Census — Montgomery-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00067-00637)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ethel Mae Baggan | 33 | Head | Washwoman | Alabama |
| 2 | Eller Wease Baggan | 12 | Daughter | — | Alabama |
| 3 | Edward Jr Baggan | 7 | Son | — | Alabama |
| 4 | Willie James Baggan | 12 | Son | — | Alabama |
| 5 | Lizza Harris | 62 | Mother | Washwoman | Alabama |
| 6 | Austen Ballard | 32 | Head | Yardman | Alabama |
| 7 | William Johnson | 51 | Head | Carpenter | Alabama |
| 8 | Mollie Johnson | 49 | Wife | Housewife | Alabama |
| 9 | Thelma Johnson THIS PERSON | 21 | Daughter | Beautician | Alabama |
| 10 | James Johnson | 17 | Son | Presser | Alabama |
| 11 | Mattie Cunningham | 39 | Head | Cook | Alabama |
| 12 | Mary E. Cunningham | 16 | Daughter | Student | Alabama |
| 13 | Henrietta Cunningham | 10 | Daughter | — | Alabama |
| 14 | Thomas Cunningham | 6 | Daughter | — | Alabama |
| 15 | Elizabeth Johnson | 50 | Head | Washwoman | Alabama |
| 16 | Lueender Carter | 35 | Head | Cook | Alabama |
| 17 | Sam Gilchrist | 68 | Father | — | Alabama |
| 18 | James Carter | 25 | Son | Carpenter | Alabama |
| 19 | Salman Hunter | 12 | G. Child | — | Alabama |
| 20 | Jannie Lee | 44 | Head | Cook | Alabama |
| 21 | Alexander Lee | 26 | Son | Labor | Alabama |
| 22 | Gertrue Jackson | 22 | Daughter | Labor | Alabama |
| 23 | Morris Lee | 9 | G. Child | — | Alabama |
| 24 | Noah Hardy | 29 | Lodger | Helper | Alabama |
| 25 | Louis Dupree | 29 | Lodger | Truck Driver | Alabama |
| 26 | Jonnie Mae Dupree | 25 | Lodger | Maid | Alabama |
| 27 | Effie Mae Finley | 51 | Head | Housewife | Alabama |
| 28 | Mary Reese | 57 | Lodger | — | Alabama |
| 29 | Fletcher Sanders | 26 | Head | Labor | Alabama |
| 30 | Frances Sanders | 22 | Wife | Housewife | Alabama |
| 31 | Julia Lou Sanders | 6 | Daughter | — | Alabama |
| 32 | Fletcher Jr Sanders | 5 | Son | — | Alabama |
| 33 | Gladys Sanders | 1 | Daughter | — | Alabama |
| 34 | Evlyn Sanders | 24 | Sister | Maid | Alabama |
| 35 | Nancy Lewis | 50 | Head | Maid | Alabama |
| 36 | Estell Lewis | 15 | Daughter | Student | Alabama |
| 37 | Vina Lewis | 13 | Daughter | Student | Alabama |
| 38 | Fanny Richmond | 18 | Sister | Student | Alabama |
| 39 | Sally Ruth Webb | 3 | Niece | — | Alabama |
| 40 | C. H. Kelly | 48 | Head | Custodian | Alabama |
Pedigree Summary
Thelma + 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)