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Mary Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Grayson-County, Texas
Our Model Tree links this Mary Allen across the 1920, 1930 and 1940 US Censuses in Grayson-County, Texas (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 4-person household.
Age 66
b. ~1874
Female
Spouse
Born: Texas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Grayson-County, Texas |
| Surname | Allen |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 2 |
| 1935 Residence (County) | Grayson |
| Additional Details | |
| Industry | Farming |
| Income (1939) | 70 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Precinct 2 |
| Est. Birth Year | ~1874 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Ruth Allen | Daughter | — | 28 | ~1912 |
| Opal Allen | Daughter | — | 31 | ~1909 |
| John Allen | Head | — | 68 | ~1872 |
| Mary Allen | Spouse | — | 66 | ~1874 |
Census Appearances
1920
Grayson, Texas
Spouse, age 45
Grayson, Texas · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Texas |
| Father's Birthplace | United States |
| Mother's Birthplace | United States |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Grayson, Texas
Spouse, age 56
Grayson, Texas · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 18 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Grayson-County, Texas
Spouse, age 66
Grayson-County, Texas · implied b. ~1874 — 4 household members
| Surname | Allen |
| Given Name | Mary M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Texas |
| 1935 Residence (City) | Precinct 2 |
| 1935 Residence (County) | Grayson |
| Industry | Farming |
| Income (1939) | 70 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Allen 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 Allen
Spouse · 1940 · age 66 · b. ~1874 · 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 — Grayson-County, Texas
Open full size
1940 US Federal Census — Grayson-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04044-00788)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oliver B. Farmer | 54 | Head | Operator | Texas |
| 42 | Mary Farmer | 36 | Wife | — | Texas |
| 43 | J. W. Farmer | 14 | Son | — | Texas |
| 44 | Ervin E. Farmer | 7 | Son | — | Texas |
| 45 | Marguerite Farmer | 4 | Daughter | — | Texas |
| 46 | Sterlin B. Cassim | 59 | Head | Operator | Tennessee |
| 47 | Bertie F. Cassim | 59 | Wife | — | Texas |
| 48 | John O. Allen | 68 | Head | Operator | Mississippi |
| 49 | Mary M. Allen THIS PERSON | 66 | Wife | — | Texas |
| 50 | Opal Allen | 31 | Daughter | — | Texas |
| 51 | Ruth E. Allen | 28 | Daughter | — | Texas |
| 52 | Jas C. Basson | 71 | Head | Manager | Alabama |
| 53 | Fredda Basson | 34 | Daughter | — | Oklahoma |
| 54 | Vernita Basson | 21 | Daughter | — | Texas |
| 55 | Chester Basson | 14 | Son | — | Texas |
| 56 | Charles Wesley Lane | 35 | Head | Operator | Texas |
| 57 | Beater Lane | 32 | Wife | — | Arkansas |
| 58 | Tommie D. Lane | 9 | Son | — | Texas |
| 59 | Jacquely Lane | 8 | Daughter | — | Texas |
| 60 | Mary F. Lane | 5 | Daughter | — | Texas |
| 61 | Glenda N. Lane | 1 | Daughter | — | Texas |
| 62 | Ray A. Brooks | 44 | Head | Manager | Texas |
| 63 | Sophie N. Brooks | 45 | Wife | — | Texas |
| 64 | M. Mer F. Miller | 45 | Head | Operator | Texas |
| 65 | Idara Miller | 38 | Wife | — | Texas |
| 66 | Ralph D. Miller | 28 | Son | — | Texas |
| 67 | Nellie Miller | 17 | Daughter | — | Texas |
| 68 | Alford Miller | 9 | Son | — | Texas |
| 69 | Catherine Miller | 9 | Daughter | — | Texas |
| 70 | Dorthy Miller | 5 | Daughter | — | Texas |
| 71 | Edgar D. Summit | 63 | Head | Manager | Texas |
| 72 | Gena Summit | 59 | Wife | — | Arkansas |
| 73 | Jeffy B. Summit | 20 | Son | Laborer | Texas |
| 74 | Lloyd D. Tague | 41 | Head | Laborer | Oklahoma |
| 75 | Lorena Tague | 28 | Wife | — | Oklahoma |
| 76 | Mason Tague | 12 | Daughter | — | Oklahoma |
| 77 | Walter L. West | 54 | Head | Operator | Tennessee |
| 78 | Lavina West | 42 | Wife | — | Texas |
| 79 | Tom B. West | 21 | Son | Laborer | Texas |
| 80 | Geraldine West | 9 | 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)