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Thelma Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harris-County, Texas
Our Model Tree links this Thelma Thomas across the 1920, 1930 and 1940 US Censuses in Harris-County, Texas (XGBoost, ~Confirmed) — first a spouse (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Female
Spouse
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Harris-County, Texas |
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 520 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Maid |
| Township / Ward | Houston |
| Est. Birth Year | ~1910 |
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 |
|---|---|---|---|---|
| Clsie Thomas | Spouse | — | 15 | ~1925 |
| Thelma Thomas | Spouse | — | 30 | ~1910 |
| James Thomas | Son | — | 6 | ~1934 |
| James Thomas | Head | — | 35 | ~1905 |
Census Appearances
1920
Guadalupe, Texas
Other, age 10
Guadalupe, Texas · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Grand daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Student |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Harris, Texas
Other, age 21
Harris, Texas · implied b. ~1909 — 26 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Thelma |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Student nurse |
| Industry | Hospital |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Harris-County, Texas
Spouse, age 30
Harris-County, Texas · implied b. ~1910 — 4 household members
| Surname | Thomas |
| Given Name | Thelma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Houston |
| 1935 Residence (County) | Harris |
| Occupation | Maid |
| Industry | Private Family |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 520 |
| Highest Grade | H 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 Thelma Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Thomas
Spouse · 1940 · age 30 · b. ~1910 · Texas
★ You are viewing this record
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-t0627-04193-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Calvin Cooper | 22 | Head | Helper | Texas |
| 42 | Elyn Cooper | 23 | Wife | Maid | Texas |
| 43 | Father Hayward | 67 | Father | — | Texas |
| 44 | Sister Mindala | None | F | — | — |
| 45 | Sister Eva Mae | None | F | — | — |
| 46 | Nephew Mason J. D. | None | M | — | — |
| 47 | Reese Fisher | 44 | Head | Laborer | Texas |
| 48 | Annie Mae Fisher | 29 | Wife | — | Texas |
| 49 | Henry Burns | 39 | Lodger | Janitor | Texas |
| 50 | Albert Roach | 39 | Head | Maid | Texas |
| 51 | Imogene Roach | 14 | Dtr | — | Texas |
| 52 | Gladys Roach | 4 | Dtr | — | Texas |
| 53 | Parlee Ford | 38 | Sister | Maid | Texas |
| 54 | Alfred Scruggs | 31 | Head | Truck Driver | Texas |
| 55 | Thelma Scruggs | 26 | Wife | Seamstress | Texas |
| 56 | George Queen | 49 | Son in law | Teamster | Texas |
| 57 | Sammie Mae Buck | 42 | Head | Laundress | Texas |
| 58 | Willie Buck | 20 | Son | New Worker | Texas |
| 59 | Frank J. Mack | 44 | Head | Laborer | Texas |
| 60 | Elizabeth Mack | 34 | Wife | Saleswoman | Texas |
| 61 | Annie Williams | 45 | Head | Cook | Texas |
| 62 | Joseph Lewis | 37 | Lodger | Attendant | Texas |
| 63 | Elsie Lewis | 33 | Lodger | — | Texas |
| 64 | Nat I. Henderson | 74 | Head | Bricklayer | Texas |
| 65 | Mammie Henderson | 67 | Wife | — | Texas |
| 66 | Ilay Ford | 45 | Dtr | Teacher | Texas |
| 67 | Ab J. Henderson | 19 | Son | — | Texas |
| 68 | Ab Nat Jr. Henderson | 41 | Son | — | Texas |
| 69 | Hugh L. Henderson | 17 | Son | — | Texas |
| 70 | Kenneth W. Henderson | 16 | Son | — | Texas |
| 71 | Minnie Blair | 38 | Head | Cook | Texas |
| 72 | Sheridan Blair | 18 | Son | — | Texas |
| 73 | Bertha Leadley | 54 | Mother | Finisher | Texas |
| 74 | Phillip Russell | 28 | Head | New Worker | Mississippi |
| 75 | Catherine Russell | 29 | Wife | — | Texas |
| 76 | Phillip Jr. Russell | 9 | Son | — | Texas |
| 77 | James Thomas | 35 | Head | Machinist | Texas |
| 78 | Thelma Thomas THIS PERSON | 30 | Wife | Maid | Texas |
| 79 | James Jr. Thomas | 6 | Son | — | Texas |
| 80 | Clsie Thomas | 15 | Wife | — | 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)