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Mary Allen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Calhoun-County, Alabama
Our Model Tree links this Mary Allen across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Alabama (XGBoost, ~Confirmed) — first a head (b.~1859), then head of a 4-person household.
Age 81
b. ~1859
Female
Head
Born: Alabama
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Alabama |
| Surname | Allen |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Oxford Town |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | Housework |
| Industry | Own home |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Housework |
| Township / Ward | Oxford Town |
| Est. Birth Year | ~1859 |
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 |
|---|---|---|---|---|
| Sybil Allen | Daughter | — | 49 | ~1891 |
| Sadie Allen | Daughter | — | 58 | ~1882 |
| Mamie Allen | Daughter | — | 56 | ~1884 |
| Mary Allen | Head | — | 81 | ~1859 |
Census Appearances
1920
Calhoun, Alabama
Other, age 61
Calhoun, Alabama · implied b. ~1859 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | White |
| Age | 61 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Calhoun, Alabama
Other, age 69
Calhoun, Alabama · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Allen |
| Given Name | Mary |
| Relationship to Head | Mother-H |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Calhoun-County, Alabama
Head, age 81
Calhoun-County, Alabama · implied b. ~1859 — 4 household members
| Surname | Allen |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 81 |
| Marital Status | Widowed |
| Birthplace | Alabama |
| 1935 Residence (City) | Oxford Town |
| 1935 Residence (County) | Calhoun |
| Occupation | Housework |
| Industry | Own home |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 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
Head · 1940 · age 81 · b. ~1859 · Alabama
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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 — Calhoun-County, Alabama
Open full size
1940 US Federal Census — Calhoun-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00008-00623)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Elizabeth Adams | 12 | Daughter | — | Alabama |
| 2 | Louise Adams | 8 | Daughter | — | Alabama |
| 3 | Charles Adams | 4 | Son | — | Alabama |
| 4 | Percy A. Mitchell | 42 | Head | Druggist | West Virginia |
| 5 | Lydia Mitchell | 33 | Wife | Saleslady | Alabama |
| 6 | Alla G. Blakemore | 14 | Step son | — | Alabama |
| 7 | Cottie U. Blakemore | 12 | Step son | — | Alabama |
| 8 | Kenneth A. Mitchell | 14 | Son | — | West Virginia |
| 9 | William W. Burrow | 39 | Head | Moulder | Alabama |
| 10 | Ellie Burrow | 40 | Wife | Housework | Alabama |
| 11 | Evelyn Burrow | 18 | Daughter | Saleslady | Alabama |
| 12 | Mark Burrow | 16 | Son | — | Alabama |
| 13 | Huey Burrow | 14 | Son | — | Alabama |
| 14 | Joan Burrow | 6 | Daughter | — | Alabama |
| 15 | Homer Walker | 42 | Head | Rock Mason Helper | Alabama |
| 16 | Lula O. Walker | 40 | Wife | Housework | Alabama |
| 17 | Oneal Walker | 16 | Son | — | Alabama |
| 18 | Earnest Walker | 12 | Son | — | Alabama |
| 19 | Lewis Walker | 9 | Son | — | Alabama |
| 20 | Rosa Walker | 6 | Daughter | — | Alabama |
| 21 | Mary Jane Morrison | 52 | Head | Housework | Scotland |
| 22 | Mary Morrison | 25 | Daughter | Housework | Alabama |
| 23 | Lee Jo Morrison | 15 | Son | — | Alabama |
| 24 | James Wallace Morrison | 13 | Son | — | Alabama |
| 25 | Charlie Shirk | 38 | Brother | — | Scotland |
| 26 | James W. Stephens | 55 | Head | Mill-Wright | Ohio |
| 27 | Anne Stephens | 46 | Wife | Housework | Scotland |
| 28 | Henry M. Burrow | 68 | Head | Policeman | Georgia |
| 29 | William B. Donaldson | 63 | Head | Bridge Foreman | Georgia |
| 30 | Carrie Mae Donaldson | 44 | Wife | Housework | Alabama |
| 31 | Velva Donaldson | 22 | Daughter | Housework | Alabama |
| 32 | Russell Donaldson | 20 | Son | Time Keeper | Alabama |
| 33 | Fannie Collins | 66 | Mother-in-law | Housework | Georgia |
| 34 | Mary E. Allen THIS PERSON | 81 | Head | Housework | Alabama |
| 35 | Sadie Allen | 58 | Daughter | Seamstress | Florida |
| 36 | Mamie Allen | 56 | Daughter | Housework | Alabama |
| 37 | Sybil Z. Allen | 49 | Daughter | Helper Lunch Room | Florida |
| 38 | Robert Leroy Klay | 26 | Head | Truck Driver | Alabama |
| 39 | Dorothy C. Klay | 25 | Wife | Housework | Georgia |
| 40 | Charles Rayford Klay | 6 | Son | — | Georgia |
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)