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.~1929), then head of a 7-person household.
Age 11
b. ~1929
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Tarrant-County, Texas |
| Surname | Cowan |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Fort Worth |
| 1935 Residence (County) | Tarrant |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Fort Worth |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Charles Cowan | Son | — | 12 | ~1928 |
| Hal Cowan | Son | — | 14 | ~1926 |
| Eula Cowan | Spouse | — | 45 | ~1895 |
| Billy Cowan | Son | — | 4 | ~1936 |
| Mary Cowan | Daughter | — | 11 | ~1929 |
| William Cowan | Head | — | 59 | ~1881 |
| Jack Cowan | Son | — | 16 | ~1924 |
Census Appearances
1930
Tarrant, Texas
Daughter, age
Tarrant, Texas · implied b. ~1930 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Mary G. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Tarrant-County, Texas
Daughter, age 11
Tarrant-County, Texas · implied b. ~1929 — 7 household members
| Surname | Cowan |
| Given Name | Mary G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Fort Worth |
| 1935 Residence (County) | Tarrant |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Texas |
| 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 11 · b. ~1929 · Texas
★ You are viewing this record
Sibling
Jack Cowan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cowan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hal Cowan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Cowan
Sibling · 1940 · age 4
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
39 people indexed on this census page (nara:1940:m-t0627-04185-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Morris | 18 | Head | Delivery Boy | Texas |
| 42 | Lometa Morris | 16 | Daughter | — | Texas |
| 43 | Martin R. Brock | 74 | Head | — | Kentucky |
| 44 | Lodema P. Brock | 65 | Wife | — | Alabama |
| 45 | Bertha Brock | 39 | Daughter | Bon Bon Dipper | Texas |
| 46 | Ruby Brock | 35 | Daughter | Wrapper | Texas |
| 47 | Ruth Campbell | 35 | Daughter | Bon Bon Dipper | Texas |
| 48 | Alma Jean Campbell | 14 | Daughter | — | Texas |
| 49 | J. W. Dietz | 66 | Head | — | Texas |
| 50 | Lydia Dietz | 54 | Wife | Seamstress | Arkansas |
| 51 | Richard Dietz | 25 | Son | Traveling Salesman | Texas |
| 52 | William Cowan | 59 | Head | Laborer | Texas |
| 53 | Eula Cowan | 45 | Wife | — | Texas |
| 54 | Jack Cowan | 16 | Son | Delivery Boy | Texas |
| 55 | Hal Cowan | 14 | Son | Carrier-Salesman | Texas |
| 56 | Charles Cowan | 12 | Son | — | Texas |
| 57 | Mary G. Cowan THIS PERSON | 11 | Daughter | — | Texas |
| 58 | Billy J. Cowan | 4 | Son | — | Texas |
| 59 | A. L. Gentry | 40 | Head | Truck Driver | Texas |
| 60 | Mary G. Gentry | 42 | Wife | — | Texas |
| 61 | Maxine M. Jones | 14 | Daughter | — | Texas |
| 62 | Alvie W. Whitlock | 30 | Head | Clerk Dept. | Texas |
| 63 | Martha Lee Whitlock | 26 | Wife | — | Missouri |
| 64 | Hervey J. Jr. Collins | 34 | Head | Salesman | Texas |
| 65 | Margaret Collins | 33 | Wife | Beauty Operator | Texas |
| 66 | Betty Marion Graham | 13 | Daughter | — | Texas |
| 67 | George Y. White | 44 | Head | Salesman | Mississippi |
| 68 | Blanche White | 43 | Wife | — | Wisconsin |
| 69 | Hardie M. Hollingsworth | 34 | Head | Switchman | Kansas |
| 70 | Florence Hollingsworth | 32 | Wife | — | Texas |
| 71 | Florence Hollingsworth | 6 | Daughter | — | Texas |
| 72 | Robert Hollingsworth | 3 | Son | — | Texas |
| 73 | Lue L. Clark | 34 | Head | Painter & Paperhanger | Texas |
| 74 | Vena Clark | 25 | Wife | — | Texas |
| 75 | Marion Clark | 16 | Son | Carrier-Salesman | Texas |
| 76 | Herbert Clark | 14 | Son | Carrier-Salesman | Texas |
| 77 | Reba Nell Clark | 8 | Daughter | — | Texas |
| 78 | Naomi Clark | 5 | Daughter | — | Texas |
| 79 | Mary Clark | 82 | Mother | — | 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)