MC
Mary Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · White-County, Arkansas
Our Model Tree links this Mary Cowan across the 1930 and 1940 US Censuses in White-County, Arkansas (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | White-County, Arkansas |
| Surname | Cowan |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Gum Spring |
| 1935 Residence (County) | White |
| Additional Details | |
| Occupation | House work |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Occupation | House Work |
| Township / Ward | Gum Spring |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charley Cowan | Son | — | 16 | ~1924 |
| Alta Cowan | Daughter | — | 19 | ~1921 |
| Rosie Cowan | Spouse | — | 46 | ~1894 |
| Ovid Cowan | Head | — | 53 | ~1887 |
| Mary Cowan | Daughter | — | 21 | ~1919 |
Census Appearances
1930
White, Arkansas
Daughter, age 11
White, Arkansas · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | Myrtle |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Arkansas |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
White-County, Arkansas
Daughter, age 21
White-County, Arkansas · implied b. ~1919 — 5 household members
| Surname | Cowan |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Gum Spring |
| 1935 Residence (County) | White |
| Occupation | House work |
| Industry | Private |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 520 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
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 21 · b. ~1919 · Arkansas
★ You are viewing this record
Sibling
Charley Cowan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alta Cowan
Sibling · 1940 · age 19
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 — White-County, Arkansas
Open full size
1940 US Federal Census — White-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00180-00525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary A. Hodge | 15 | Daughter | — | Arkansas |
| 42 | J. Otha Kirby | 58 | Head | Farming | Arkansas |
| 43 | Jewel J. Kirby | 52 | Sister | — | Arkansas |
| 44 | William Doyle | 31 | Boarder | Labour | Arkansas |
| 45 | Troy C. Neal | 22 | Head | Laborer | Arkansas |
| 46 | Alta L. Neal | 22 | Wife | — | Arkansas |
| 47 | Harrell C. Moore | 32 | Head | Farming | Arkansas |
| 48 | Mollie B. Moore | 28 | Wife | — | Arkansas |
| 49 | Woodrow W. Vaughan | 26 | Head | Laborer | Arkansas |
| 50 | Katie Vaughan | 22 | Wife | — | Arkansas |
| 51 | James D. Vaughan | 0 | Son | — | Arkansas |
| 52 | Claude Corbett | 32 | Head | Farming | Arkansas |
| 53 | Lucille Corbett | 30 | Wife | — | Arkansas |
| 54 | J. C. Corbett | 14 | Son | — | Arkansas |
| 55 | Billie V. Corbett | 10 | Daughter | — | Arkansas |
| 56 | Bettie J. Corbett | 6 | Daughter | — | Arkansas |
| 57 | Odus H. Smith | 38 | Head | Farming | Arkansas |
| 58 | Beedy Smith | 37 | Wife | — | Arkansas |
| 59 | Jeff O. Smith | 15 | Son | — | Arkansas |
| 60 | James L. Smith | 13 | Son | — | Arkansas |
| 61 | Francis M. Smith | 10 | Daughter | — | Arkansas |
| 62 | Eugene C. Smith | 39 | Head | Farming | Arkansas |
| 63 | Ruby Smith | 35 | Wife | — | Texas |
| 64 | Betty R. Smith | 15 | Daughter | — | Arkansas |
| 65 | Katherine M. Smith | 12 | Daughter | — | Illinois |
| 66 | Robert H. Smith | 13 | Son | — | Arkansas |
| 67 | Gayle Smith | 2 | Daughter | — | Arkansas |
| 68 | Mollie Mullins | 67 | Mother-in-law | — | Tennessee |
| 69 | Thomas C. Wright | 54 | Head | Farming | Arkansas |
| 70 | Julia Wright | 51 | Wife | — | Tennessee |
| 71 | Herman Wright | 19 | Son | Laborer | Arkansas |
| 72 | Troy Wright | 16 | Son | — | Arkansas |
| 73 | Vernon Wright | 14 | Son | — | Arkansas |
| 74 | Leo Wright | 12 | Son | — | Arkansas |
| 75 | Martha J. Atkins | 84 | Mother-in-law | — | Tennessee |
| 76 | Ovid C. Cowan | 53 | Head | Farming | North Carolina |
| 77 | Rosie D. Cowan | 46 | Wife | — | Mississippi |
| 78 | Mary A. Cowan THIS PERSON | 21 | Daughter | House Work | Arkansas |
| 79 | Alta L. Cowan | 19 | Daughter | — | Arkansas |
| 80 | Charley Cowan | 16 | Son | — | Arkansas |
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)