MC
Mary Copeland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Arkansas
Our Model Tree links this Mary Copeland across the 1930 and 1940 US Censuses in Washington-County, Arkansas (XGBoost, ~Confirmed) — first a daughter (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Female
Daughter
Born: Arkansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Arkansas |
| Surname | Copeland |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Cove Creek Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Industry | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
| Township / Ward | Cove Creek Township |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jack Copeland | Son | — | ~1940 | |
| Neva Copeland | Daughter | — | 3 | ~1937 |
| Ouida Copeland | Daughter | — | 16 | ~1924 |
| Wanda Copeland | Daughter | — | 11 | ~1929 |
| Lizzie Copeland | Spouse | — | 42 | ~1898 |
| Foster Copeland | Son | — | 13 | ~1927 |
| David Copeland | Son | — | 9 | ~1931 |
| Mary Copeland | Daughter | — | 14 | ~1926 |
| Joe Copeland | Head | — | 44 | ~1896 |
Census Appearances
1930
Washington, Arkansas
Daughter, age 4
Washington, Arkansas · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Copeland |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Arkansas |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Arkansas |
| Birth Country | United States |
| Birthplace (normalized) | arkansas |
1940
Washington-County, Arkansas
Daughter, age 14
Washington-County, Arkansas · implied b. ~1926 — 9 household members
| Surname | Copeland |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Arkansas |
| 1935 Residence (City) | Cove Creek Township |
| 1935 Residence (County) | Washington |
| Industry | 0 |
| Highest Grade | 8 |
| 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 Copeland across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Copeland
Daughter · 1940 · age 14 · b. ~1926 · Arkansas
★ You are viewing this record
Sibling
Ouida Copeland
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Copeland
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Foster Copeland
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Copeland
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Neva Copeland
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Copeland
Sibling · 1940 · age
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 — Washington-County, Arkansas
Open full size
1940 US Federal Census — Washington-County, Arkansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00179-00117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eunice Rieff | 51 | Wife | — | Oklahoma |
| 2 | Arvil W. Rieff | 28 | Son | Operator | Arkansas |
| 3 | Everett L. Tucker | 43 | Head | Farmer | Missouri |
| 4 | Edna E. Tucker | 39 | Wife | Laundress | Arkansas |
| 5 | Gladys B. Tucker | 19 | Daughter | Laborer | Arkansas |
| 6 | Harold E. Tucker | 11 | Son | — | Arkansas |
| 7 | Joe E. Tucker | 7 | Son | — | Arkansas |
| 8 | John A. Luper | 80 | Lodger | — | Missouri |
| 9 | Noah N. Crawley | 51 | Head | — | Arkansas |
| 10 | Clara E. Crawley | 55 | Wife | Laundress | Tennessee |
| 11 | Dora M. Wright | 16 | Daughter | — | Arkansas |
| 12 | William Houghney | 56 | Head | — | Ireland |
| 13 | Joe H. Copeland | 44 | Head | Farmer | Oklahoma |
| 14 | Lizzie Copeland | 42 | Wife | — | Texas |
| 15 | Ouida E. Copeland | 16 | Daughter | — | Arkansas |
| 16 | Mary A. Copeland THIS PERSON | 14 | Daughter | — | Arkansas |
| 17 | Foster J. Copeland | 13 | Son | — | Arkansas |
| 18 | Wanda R. Copeland | 11 | Daughter | — | Arkansas |
| 19 | David B. Copeland | 9 | Son | — | Arkansas |
| 20 | Neva J. Copeland | 3 | Daughter | — | Arkansas |
| 21 | Jack R. Copeland | 0 | Son | — | Arkansas |
| 22 | Arthur F. Cobb | 35 | Head | Farmer | Arkansas |
| 23 | Mary M. Cobb | 32 | Wife | — | Kansas |
| 24 | Leota P. Cobb | 12 | Daughter | — | Kansas |
| 25 | Marietta A. Cobb | 10 | Daughter | — | Kansas |
| 26 | Wilda M. Cobb | 8 | Daughter | — | Kansas |
| 27 | Willis J. Cobb | 2 | Son | — | Arkansas |
| 28 | William H. Taylor | 77 | Head | — | Arkansas |
| 29 | William C. Taylor | 44 | Son | — | Arkansas |
| 30 | Jessie H. Taylor | 24 | Grand-son | Laborer | Arkansas |
| 31 | Walter M. Fields | 56 | Head | Laborer | Missouri |
| 32 | Ollie M. Fields | 35 | Wife | — | Arkansas |
| 33 | Lulla J. Fields | 13 | Daughter | — | Arkansas |
| 34 | Betty J. Fields | 11 | Daughter | — | Arkansas |
| 35 | Dixie E. Fields | 9 | Daughter | — | Arkansas |
| 36 | Estelle M. Fields | 7 | Daughter | — | Arkansas |
| 37 | Marion E. Wright | 50 | Head | Farmer | Arkansas |
| 38 | Tillie Wright | 48 | Wife | — | Arkansas |
| 39 | Mae Wright | 25 | Daughter | — | Arkansas |
| 40 | George E. Wright | 19 | Son | 0 | 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)