HT
Hazel Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Hazel Thomas across the 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Female
Daughter
Born: Maryland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Thomas |
| Given Name | Hazel O |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Additional Details | |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Head | — | 47 | ~1893 |
| Mary Thomas | Spouse | — | 45 | ~1895 |
| Dorothy Thomas | Daughter | — | 6 | ~1934 |
| Thelma Thomas | Daughter | — | 20 | ~1920 |
| Hazel Thomas | Daughter | — | 18 | ~1922 |
| Mary Thomas | Daughter | — | 10 | ~1930 |
| Charles Thomas | Son | — | 12 | ~1928 |
| Gertrude Thomas | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Baltimore, Maryland
Daughter, age 8
Baltimore, Maryland · implied b. ~1922 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Daughter, age 18
Baltimore-City-County, Maryland · implied b. ~1922 — 8 household members
| Surname | Thomas |
| Given Name | Hazel O |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Industry | 0 |
| Class of Worker | No |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Hazel Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Hazel Thomas
Daughter · 1940 · age 18 · b. ~1922 · Maryland
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Sibling
Mary Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Thomas
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Thomas
Sibling · 1940 · age 20
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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01541-00718)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn W Busch | 33 | Wife | 7632 No No No Yes | North Carolina |
| 2 | Charles W Thomas | 47 | Head | Manager | Maryland |
| 3 | Mary T Thomas | 45 | Wife | — | Maryland |
| 4 | Thelma J Thomas | 20 | Daughter | New Worker | Maryland |
| 5 | Hazel O Thomas THIS PERSON | 18 | Daughter | — | Maryland |
| 6 | Gertrude S Thomas | 15 | Daughter | — | Maryland |
| 7 | Charles W Thomas | 12 | Son | — | Maryland |
| 8 | Mary T Thomas | 10 | Daughter | — | Maryland |
| 9 | Dorothy L Thomas | 6 | Daughter | — | Maryland |
| 10 | Alexander J Clark | 28 | Head | Ship Fitter | Maryland |
| 11 | Esther L Clark | 25 | Wife | — | Maryland |
| 12 | Joan A Clark | 6 | Daughter | — | Maryland |
| 13 | Creston H Bauer | 34 | Head | Route Boss | Maryland |
| 14 | Naomi N Bauer | 31 | Wife | — | Ohio |
| 15 | Richard J Bauer | 8 | Son | — | Maryland |
| 16 | Phyllis D Bauer | 3 | Daughter | — | Maryland |
| 17 | Harry F Braublitt | 30 | Head | Lithographer | Maryland |
| 18 | Gladys J Braublitt | 29 | Wife | — | Ohio |
| 19 | Jean L Braublitt | 6 | Daughter | — | Maryland |
| 20 | Rosina S Braublitt | 0 | Daughter | — | Maryland |
| 21 | Henry E Reese | 36 | Head | Credit Manager | Maryland |
| 22 | Myrham R Reese | 36 | Wife | — | Ohio |
| 23 | Lewis M Rossmeisl | 36 | Head | Freight Agent | Maryland |
| 24 | Eleanor L Rossmeisl | 37 | Wife | — | Arizona |
| 25 | Eleanor R Rossmeisl | 9 | Daughter | — | Maryland |
| 26 | Wm J Strauss | 27 | Brother-in-law | Salesman | Georgia |
| 27 | Harry M Munson | 28 | Head | Salesman | Maryland |
| 28 | Myrtle P Munson | 27 | Wife | — | Maryland |
| 29 | Joan L Munson | 6 | Daughter | — | Maryland |
| 30 | Lawrence C Munson | 2 | Son | — | Maryland |
| 31 | Charles Handler | 54 | Head | Superintendent | Maryland |
| 32 | Leona E Handler | 51 | Wife | — | Maryland |
| 33 | Charles M Handler | 28 | Son | Chauffeur | Maryland |
| 34 | Leona E Handler | 24 | Daughter | Secretary | Maryland |
| 35 | John W Tillery | 30 | Head | Pharmacist | Maryland |
| 36 | Anna M Tillery | 33 | Wife | Trained Nurse | Maryland |
| 37 | William G Frederick | 28 | Head | Asst Secretary And Treasurer | Maryland |
| 38 | Mary Agnes Frederick | 24 | Wife | Registered Nurse | Maryland |
| 39 | Charles A Bannister | 52 | Head | Contractor | Maryland |
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)