MK
Mary Kirk — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Falls-County, Texas
Our Model Tree links this Mary Kirk across the 1930 and 1940 US Censuses in Falls-County, Texas (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 14-person household.
Age 54
b. ~1886
Female
Head
Born: Texas
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Falls-County, Texas |
| Surname | Kirk |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 2 |
| 1935 Residence (County) | Falls |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same house |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Farmer |
| Township / Ward | J P 2 |
| Est. Birth Year | ~1886 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Willie Kirk | Son | — | 21 | ~1919 |
| Bernice Kirk | Daughter | — | 22 | ~1918 |
| Mozella Kirk | Daughter | — | 12 | ~1928 |
| Charlie Kirk | Son | — | 23 | ~1917 |
| Mary Kirk | Head | — | 54 | ~1886 |
| Lee Kirk | Son | — | 24 | ~1916 |
| Frankie Smart | Daughter | — | 31 | ~1909 |
| Nolan Bledsoe | Other | — | 11 | ~1929 |
| Doris Williams | Other | — | 17 | ~1923 |
| Frankie Kirk | Son | — | 26 | ~1914 |
| Annie Kirk | Son | — | 15 | ~1925 |
| Novella Williams | Other | — | 18 | ~1922 |
| O Williams | Other | — | 20 | ~1920 |
| Richard Smart | Son | — | 3 | ~1937 |
Census Appearances
1930
Falls, Texas
Spouse, age 48
Falls, Texas · implied b. ~1882 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirk |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Texas |
| Age at First Marriage | 15 |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Falls-County, Texas
Head, age 54
Falls-County, Texas · implied b. ~1886 — 14 household members
| Surname | Kirk |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 54 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | J. P. 2 |
| 1935 Residence (County) | Falls |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 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 Kirk across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Kirk
Head · 1940 · age 54 · b. ~1886 · 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 — Falls-County, Texas
Open full size
1940 US Federal Census — Falls-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04030-00319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Green | 29 | Son | Laborer | Texas |
| 2 | Mikeal Gonzales | 55 | Head | Laborer | Mexico |
| 3 | Eveline Gonzales | 42 | Wife | Laborer | Texas |
| 4 | Jessie Gonzales | 7 | Son | — | Texas |
| 5 | John Gonzales | 7 | Son | — | Texas |
| 6 | Evelyn Gonzales | 3 | Daughter | — | Texas |
| 7 | Eldenia Gonzales | 1 | Daughter | — | Texas |
| 8 | Fred Gonzales | 24 | Son | Laborer | Texas |
| 9 | Conila Gonzales | 20 | Wife | Laborer | Texas |
| 10 | Infant Gonzales | 0 | Son | — | Texas |
| 11 | Mary Kirk THIS PERSON | 54 | Head | Farmer | Texas |
| 12 | Frankie Kirk | 26 | Son | Laborer | Texas |
| 13 | Lee Kirk | 24 | Son | Laborer | Texas |
| 14 | Charlie Kirk | 23 | Son | Laborer | Texas |
| 15 | Bernice Kirk | 22 | Daughter | Laborer | Texas |
| 16 | Willie Kirk | 21 | Son | Laborer | Texas |
| 17 | Annie Kirk | 15 | Son | Laborer | Texas |
| 18 | Mozella Kirk | 12 | Daughter | Laborer | Texas |
| 19 | O. D. Williams | 20 | Grandson | Laborer | Texas |
| 20 | Novella Williams | 18 | Daughter-in-law | Helper | Texas |
| 21 | Doris B. Williams | 17 | Granddaughter | Helper | Texas |
| 22 | Nolan Bledsoe | 11 | Grandson | — | Texas |
| 23 | Frankie Smart | 31 | Daughter | Laborer | Texas |
| 24 | Richard Smart | 3 | Son | — | Texas |
| 25 | Sam D. Kirk | 35 | Head | Laborer | Texas |
| 26 | Jerome Kirk | 30 | Wife | Laborer | Texas |
| 27 | Eliza Kirk | 32 | Head | Laborer | Texas |
| 28 | Willie D. Kirk | 28 | Wife | Laborer | Texas |
| 29 | Elmira Kirk | 9 | Daughter | — | Texas |
| 30 | Elveria Kirk | 6 | Daughter | — | Texas |
| 31 | Sessa Kirk | 3 | Daughter | — | Texas |
| 32 | Eliza Kirk | 1 | Son | — | Texas |
| 33 | William Erskine | 61 | Head | Farmer | Texas |
| 34 | Itha Erskine | 44 | Wife | Laborer | Texas |
| 35 | Pat Erskine | 19 | Son | Clerk | Texas |
| 36 | Frank Erskine | 18 | Son | Laborer | Texas |
| 37 | Travis Erskine | 16 | Son | Laborer | Texas |
| 38 | Dewey Swinney | 40 | Head | Farmer | Texas |
| 39 | Mary Swinney | 32 | Wife | Laborer | Texas |
| 40 | Annie Swinney | 15 | Daughter | Laborer | 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)