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Mary Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tarrant-County, Texas
Our Model Tree links this Mary Brown across the 1920, 1930 and 1940 US Censuses in Tarrant-County, Texas (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 12-person household.
Age 40
b. ~1900
Female
Spouse
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Tarrant-County, Texas |
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Ft Worth City |
| 1935 Residence (County) | Tarrant |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Ft Worth City |
| Est. Birth Year | ~1900 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Shirley Brown | Daughter | — | 4 | ~1936 |
| Minnie Brown | Daughter | — | 14 | ~1926 |
| William Brown | Daughter | — | 2 | ~1938 |
| Theresa Brown | Daughter | — | 10 | ~1930 |
| Mary Brown | Daughter | — | 8 | ~1932 |
| Dorothy Brown | Daughter | — | 2 | ~1938 |
| Letha Brown | Daughter | — | 16 | ~1924 |
| Jim Brown | Head | — | 50 | ~1890 |
| Joe Brown | Son | — | 6 | ~1934 |
| Albert Brown | Son | — | 15 | ~1925 |
| Frankie Brown | Son | — | 5 | ~1935 |
| Mary Brown | Spouse | — | 40 | ~1900 |
Census Appearances
1920
Tarrant, Texas
Spouse, age 22
Tarrant, Texas · implied b. ~1898 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Tarrant, Texas
Spouse, age 33
Tarrant, Texas · implied b. ~1897 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 16 |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laundry |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Tarrant-County, Texas
Spouse, age 40
Tarrant-County, Texas · implied b. ~1900 — 12 household members
| Surname | Brown |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Ft Worth City |
| 1935 Residence (County) | Tarrant |
| Highest Grade | No 3 |
| 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 Mary Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Brown
Spouse · 1940 · age 40 · b. ~1900 · Texas
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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 — Tarrant-County, Texas
Open full size
1940 US Federal Census — Tarrant-County, Texas
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04187-00885)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | John H Green | 45 | Head | Janitor | Texas |
| 3 | Ala Mae Green | 31 | Wife | Maid | Texas |
| 4 | Mary Q Walker | 50 | Head | — | Texas |
| 5 | Fernandez Cook | 54 | Head | Salesman | Texas |
| 6 | Argelia Cook | 36 | Wife | Maid | Texas |
| 7 | Tommie Haggerty | 14 | Son | — | Texas |
| 8 | Oscar Pierce | 55 | Head | Butler | Texas |
| 9 | Leona Pierce | 45 | Wife | Maid | Texas |
| 10 | Ereta Pierce | 8 | Daughter | — | Texas |
| 11 | Fletcher Ross | 62 | Head | — | Texas |
| 12 | Carrie B Ross | 55 | Wife | — | Texas |
| 13 | Garland Ross | 14 | Son | — | Texas |
| 15 | Jim Brown | 50 | Head | Laborer | Texas |
| 16 | Mary Brown THIS PERSON | 40 | Wife | — | Texas |
| 17 | Letha Brown | 16 | Daughter | — | Texas |
| 18 | Albert Brown | 15 | Son | — | Texas |
| 19 | Minnie Rose Brown | 14 | Daughter | — | Texas |
| 20 | Theresa Brown | 10 | Daughter | — | Texas |
| 21 | Mary Brown | 8 | Daughter | — | Texas |
| 22 | Joe Brown | 6 | Son | — | Texas |
| 23 | Frankie Brown | 5 | Son | — | Texas |
| 24 | Shirley Brown | 4 | Daughter | — | Texas |
| 25 | Dorothy Brown | 2 | Daughter | — | Texas |
| 26 | William Lois Brown | 2 | Daughter | — | Texas |
| 27 | Frank Starges | 33 | Head | Laborer | Texas |
| 28 | Elizabeth Starges | 30 | Wife | — | Texas |
| 29 | James Starges | 15 | Son | — | Texas |
| 30 | Bettie Starges | 12 | Daughter | — | Texas |
| 31 | Ruby Starges | 9 | Daughter | — | Texas |
| 32 | Hattie Starges | 9 | Daughter | — | Texas |
| 33 | Henry Brown | 32 | Lodger | Laborer | Texas |
| 34 | Hattie Brown | 19 | Lodger | — | Texas |
| 35 | Modie Brown | 1 | Lodger | — | Texas |
| 36 | Ben Williams | 45 | Head | Laborer | Texas |
| 37 | Flower May Williams | 23 | Wife | — | Texas |
| 38 | Thurman Williams | 19 | Son | New Worker | Texas |
| 39 | Nellie J Williams | 15 | Daughter | — | Texas |
| 40 | Mattie Pearl Williams | 15 | Daughter | — | Texas |
Related Census Records
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)