MC
Mary Cowan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Travis, Texas
Our Model Tree links this Mary Cowan across the 1930 and 1940 US Censuses in Travis, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 7
b. ~1923
Female
Daughter
Born: Texas
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Travis, Texas |
| Surname | Cowan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Part Of Precinct 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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lucile Cowan | Daughter | — | 11 | ~1919 |
| Nettie Cowan | Spouse | — | 32 | ~1898 |
| S Cowan | Other | — | 72 | ~1858 |
| Robert Cowan | Head | — | 35 | ~1895 |
| Margaret Cowan | Daughter | — | 9 | ~1921 |
| R Cowan | Other | — | 65 | ~1865 |
| Mary Cowan | Daughter | — | 7 | ~1923 |
| Chester Cowan | Son | — | 13 | ~1917 |
| Robert Cowan | Son | — | 2 | ~1928 |
Census Appearances
1930
Travis, Texas
Daughter, age 7
Travis, Texas · implied b. ~1923 — 9 household members
| Surname | Cowan |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| 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
Travis-County, Texas
Daughter, age 17
Travis-County, Texas · implied b. ~1923 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Marietta |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Justice Precinct 6 |
| 1935 Residence (County) | Travis |
| Class of Worker | U |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cowan
Daughter · 1930 · age 7 · b. ~1923 · Texas
★ You are viewing this record
Sibling
Robert Cowan
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cowan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucile Cowan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Cowan
Sibling · 1930 · age 13
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
1930 US Federal Census — Travis, Texas
Open full size
1930 US Federal Census — Travis, Texas
Page Contents
50 people indexed on this census page (ia:1930:texascensus00ree2401:1026)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Robert L. Vance | 19 | Son | Laborer | Texas |
| 52 | Dale H. Vance | 17 | Son | Laborer | Texas |
| 53 | Francis B. Vance | 16 | Son | Laborer | Texas |
| 54 | Homer G. Vance | 11 | Son | — | Texas |
| 55 | Will A. Vance | 56 | Brother | Laborer | Texas |
| 56 | Will J. Posey | 54 | Head | Farmer | Mississippi |
| 57 | Lilla Posey | 48 | Wife | — | Arkansas |
| 58 | Roy Posey | 25 | Son | Laborer | Texas |
| 59 | Joe Posey | 21 | Son | Laborer | Texas |
| 60 | Robert Cowan | 35 | Head | Farmer | Texas |
| 61 | Nettie Cowan | 32 | Wife | — | Texas |
| 62 | Chester Cowan | 13 | Son | — | Texas |
| 63 | Lucile Cowan | 11 | Daughter | — | Texas |
| 64 | Margaret Cowan | 9 | Daughter | — | Texas |
| 65 | Mary E. Cowan THIS PERSON | 7 | Daughter | — | Texas |
| 66 | Robert Jr. Cowan | 2 | Son | — | Texas |
| 67 | R. L. Cowan | 65 | Uncle | Farmer | Tennessee |
| 68 | S. H. Cowan | 72 | Father | Farmer | Georgia |
| 69 | Arthur Peterson | 25 | Head | Farmer | Texas |
| 70 | Clara Peterson | 23 | Wife | — | Texas |
| 71 | John J. Coleman | 52 | Head | Farmer | Texas |
| 72 | Cornelia Coleman | 51 | Wife | — | Texas |
| 73 | Odessa Galloway | 30 | Head | Farmer | Texas |
| 74 | Mattie Galloway | 25 | Wife | — | Texas |
| 75 | Odessa Jr. Galloway | 3 | Son | — | Texas |
| 76 | Ray D. Galloway | 1 | Son | — | Texas |
| 77 | E. Z. Kuehne | 39 | Head | Farmer | Texas |
| 78 | Emma Kuehne | 34 | Wife | — | Texas |
| 79 | Hulda Kuehne | 12 | Daughter | — | Texas |
| 80 | Hugo Kuehne | 10 | Son | — | Texas |
| 81 | Walter Kuehne | 9 | Son | — | Texas |
| 82 | Paul Kuehne | 7 | Son | — | Texas |
| 83 | Evelyn Kuehne | 3 | Daughter | — | Texas |
| 84 | Milton Kuehne | 0 | Son | — | Texas |
| 85 | Artie Winters | 24 | Boarder | Laborer | Texas |
| 86 | Nannie Barker | 68 | Head | — | Tennessee |
| 87 | Franklin Tyson | 56 | Nephew | — | Texas |
| 88 | Tom Housen | 65 | Head | Farmer | Louisiana |
| 89 | Lelia Housen | 63 | Wife | — | Missouri |
| 90 | Joe G. Housen | 4 | Son | — | Texas |
| 91 | Billie Johnson | 49 | Head | Farmer | Texas |
| 92 | Nina Johnson | 48 | Wife | — | Texas |
| 93 | Minnie Johnson | 18 | Daughter | Teacher | Texas |
| 94 | Jim Johnson | 26 | Cousin | Laborer | Texas |
| 95 | Herman E. Sassman | 40 | Head | Farmer | Texas |
| 96 | Mamie Sassman | 40 | Wife | — | Texas |
| 97 | Hazel Sassman | 18 | Daughter | — | Texas |
| 98 | Audrey Sassman | 16 | Daughter | — | Texas |
| 99 | Thelma Sassman | 12 | Daughter | — | Texas |
| 100 | George Jr. Foyle | 7 | Nephew | — | Texas |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)