MC
Mary Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Tarrant-County, Texas
Our Model Tree links this Mary Cowan across the 1930 and 1940 US Censuses in Tarrant-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tarrant-County, Texas |
| Surname | Cowan |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ft. Worth |
| 1935 Residence (County) | Tarrant |
| Additional Details | |
| Occupation | Secretary |
| Industry | Civic Club |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 900 |
| Highest Grade | C-2 |
| 1935 Residence | Same Place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Secretary |
| Township / Ward | Ft Worth |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Verna Cowan | Spouse | — | 53 | ~1887 |
| Donald Cowan | Head | — | 43 | ~1897 |
| Mary Cowan | Daughter | — | 24 | ~1916 |
| Ruth Cowan | Daughter | — | 29 | ~1911 |
| Georgina Cowan | Daughter | — | 34 | ~1906 |
| Dorothy Cowan | Daughter | — | 30 | ~1910 |
| Juanita Cowan | Daughter | — | 33 | ~1907 |
Census Appearances
1930
Tarrant, Texas
Other, age 16
Tarrant, Texas · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Margaret |
| Relationship to Head | Sister |
| Sex | F |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Tarrant-County, Texas
Daughter, age 24
Tarrant-County, Texas · implied b. ~1916 — 7 household members
| Surname | Cowan |
| Given Name | Mary Catherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Ft. Worth |
| 1935 Residence (County) | Tarrant |
| Occupation | Secretary |
| Industry | Civic Club |
| Class of Worker | PW |
| Hours Worked | 38 |
| Income (1939) | 900 |
| Highest Grade | C-2 |
| 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 Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cowan
Daughter · 1940 · age 24 · b. ~1916 · Texas
★ You are viewing this record
Sibling
Ruth Cowan
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Cowan
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgina Cowan
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cowan
Sibling · 1940 · age 30
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 — Tarrant-County, Texas
Open full size
1940 US Federal Census — Tarrant-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04185-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William H. Brabraker|Brabaker | 51 | Head | Meat Buyer | Texas |
| 42 | Agnes E. Brabraker|Brabaker | 46 | Wife | — | Texas |
| 43 | Hugh C. Porter | 61 | Head | Shoe Repair | Mississippi |
| 44 | Mattie Porter | 48 | Wife | — | Alabama |
| 45 | Jake M. Lambert | 42 | Head | Conductor | Texas |
| 46 | Laura Lambert | 36 | Wife | — | Texas |
| 47 | Willie M. Lambert | 18 | Daughter | — | Texas |
| 48 | Jack Lambert | 16 | Son | — | Texas |
| 49 | Effie O. Lambert | 61 | Mother | — | Illinois |
| 50 | Donald A. Cowan | 43 | Head | Printer | Scotland |
| 51 | Verna M. Cowan | 53 | Wife | — | Illinois |
| 52 | Georgina Cowan | 34 | Daughter | Office Manager | Texas |
| 53 | Juanita Cowan | 33 | Daughter | Teacher | Texas |
| 54 | Dorothy Cowan | 30 | Daughter | Teacher | Texas |
| 55 | Ruth M. Cowan | 29 | Daughter | Proof Reader | Texas |
| 56 | Mary Catherine Cowan THIS PERSON | 24 | Daughter | Secretary | Texas |
| 57 | Hannie H. Craddock | 64 | Head | — | Texas |
| 58 | Joe Craddock | 32 | Son | Teller | Texas |
| 59 | Harry N. Doan | 25 | Head | Machinist | Texas |
| 60 | Grace W. Doan | 24 | Wife | Stenographer | Texas |
| 61 | Marilyn Doan | 2 | Daughter | — | Texas |
| 62 | Marshall Lowther | 49 | Head | — | Illinois |
| 63 | Mary E. Lowther | 31 | Daughter | Stenographer | Texas |
| 64 | John L. Lowther | 21 | Son | Lawyer | Texas |
| 65 | Margaret Lowther | 37 | Daughter | Stenographer | Texas |
| 66 | Edward J. Lowther | 25 | Son | Time Keeper | Texas |
| 67 | Alma G. Lowther | 22 | Daughter | P.B.X. Operator | Texas |
| 68 | Ellen Ward | 40 | Sister | Book Keeper | Illinois |
| 69 | Ralph H. Bennington | 54 | Head | Collector And Verifier | Kansas |
| 70 | Anna L. Bennington | 51 | Wife | — | Minnesota |
| 71 | Mary A. Bennington | 18 | Daughter | Stenographer | Minnesota |
| 72 | William C. Bennington | 17 | Son | — | Minnesota |
| 73 | Carol A. Bennington | 12 | Daughter | — | Minnesota |
| 74 | Fredrick Levinson | 46 | Head | Secretary | Poland |
| 75 | Louis A. Levinson | 26 | Son | — | Poland |
| 76 | Pauline Levinson | 18 | Daughter | Service Station Supply Co. | Texas |
| 77 | Sam Kimmell | 36 | Lodger | Salesman | Texas |
| 78 | Wade S. Sain | 29 | Head | Fireman | Tennessee |
| 79 | Elmer Sain | 35 | Wife | Cosmetician | Texas |
| 80 | Hand Ends Block 161 And Begins Block 162 | None | — | — | — |
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)