MC
Mary Callahan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bowie-County, Texas
Our Model Tree links this Mary Callahan across the 1930 and 1940 US Censuses in Bowie-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bowie-County, Texas |
| Surname | Callahan |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 6. |
| 1935 Residence (County) | Bowie |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | J P 6 |
| Est. Birth Year | ~1923 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Josephine Callahan | Daughter | — | 11 | ~1929 |
| Mary Callahan | Daughter | — | 17 | ~1923 |
| Annie Callahan | Daughter | — | 3 | ~1937 |
| Manual Callahan | Head | — | 43 | ~1897 |
| Jessie Callahan | Son | — | 15 | ~1925 |
| W Callahan | Son | — | 13 | ~1927 |
| Manually Callahan | Son | — | 20 | ~1920 |
| Robert Callahan | Son | — | 8 | ~1932 |
| Vernell Callahan | Son | — | 5 | ~1935 |
| Rosie Callahan | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Bowie, Texas
Daughter, age 7
Bowie, Texas · implied b. ~1923 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callaham |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Bowie-County, Texas
Daughter, age 17
Bowie-County, Texas · implied b. ~1923 — 10 household members
| Surname | Callahan |
| Given Name | Mary Lee |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 6. |
| 1935 Residence (County) | Bowie |
| Highest Grade | No 1 |
| 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 Callahan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Callahan
Daughter · 1940 · age 17 · b. ~1923 · Texas
★ You are viewing this record
Sibling
Vernell Callahan
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Callahan
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manually Callahan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Callahan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Callahan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Callahan
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Callahan
Sibling · 1940 · age 11
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 — Bowie-County, Texas
Open full size
1940 US Federal Census — Bowie-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03990-00591)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Minnie Harrison | 32 | Head | Laborer | Texas |
| 2 | James Boone | 13 | Son | — | Texas |
| 3 | Herbert Wrathy | 11 | Son | — | Texas |
| 4 | Garrard Webb | 33 | Head | Laborer | Texas |
| 5 | Myra Webb | 33 | Wife | — | Louisiana |
| 6 | Curtis Webb | 15 | Son | — | Arkansas |
| 7 | Marcilla Roberts | 16 | Sister | — | Texas |
| 8 | Ethel Nelson | 34 | Head | Laborer | Texas |
| 9 | Lovell Nelson | 15 | Son | — | Texas |
| 10 | John Bradshaw | 56 | Father | Laborer | Texas |
| 11 | Jerry Taylor | 60 | Head | Laborer | Alabama |
| 12 | Janit Taylor | 50 | Wife | — | Mississippi |
| 13 | M. T. Taylor | 19 | Son | — | Texas |
| 14 | May Francis Taylor | 17 | Daughter | — | Texas |
| 15 | James Taylor | 14 | Son | — | Texas |
| 16 | Manual Callahan | 43 | Head | Laborer | Texas |
| 17 | Rosie Callahan | 42 | Wife | — | Texas |
| 18 | Manually Callahan | 20 | Son | Laborer | Arkansas |
| 19 | Mary Lee Callahan THIS PERSON | 17 | Daughter | — | Texas |
| 20 | Jessie James Callahan | 15 | Son | — | Texas |
| 21 | W. M. Callahan | 13 | Son | — | Texas |
| 22 | Josephine Callahan | 11 | Daughter | — | Texas |
| 23 | Robert Callahan | 8 | Son | — | Texas |
| 24 | Vernell Callahan | 5 | Son | — | Texas |
| 25 | Annie Louise Callahan | 3 | Daughter | — | Texas |
| 26 | George Walker | 24 | Head | Laborer | Texas |
| 27 | Ourell Walker | 19 | Wife | — | Texas |
| 28 | Lendell Walker | 1 | Daughter | — | Texas |
| 29 | Wooten Callahan | 28 | Head | Laborer | Texas |
| 30 | Hester May Callahan | 28 | Wife | — | Texas |
| 31 | Isiah Taylor | 25 | Father in law | Laborer | Texas |
| 32 | Minnie Taylor | 30 | Mother in law | — | Texas |
| 33 | Florene Boone | 7 | Niece | — | Texas |
| 34 | Will Owens | 52 | Head | Laborer | Texas |
| 35 | Eunice Owens | 19 | Wife | Laborer | Texas |
| 36 | Caroline Hooks | 70 | Mother | — | Texas |
| 37 | Willie Lee | 40 | Boarder | Housekeeping | Texas |
| 38 | Dee B. Wilson | 46 | Head | Laborer | North Carolina |
| 39 | Vergie Wilson | 45 | Wife | — | Texas |
| 40 | Mattie B. Wilson | 13 | Daughter | — | 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)