MC
Mary Copeland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Upton-County, Texas
Our Model Tree links this Mary Copeland across the 1930 and 1940 US Censuses in Upton-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 7-person household.
Age 13
b. ~1927
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Upton-County, Texas |
| Surname | Copeland |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Upton |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Mccamey City |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| A Copeland | Head | — | 52 | ~1888 |
| Mary Copeland | Daughter | — | 13 | ~1927 |
| Patsy Copeland | Daughter | — | 7 | ~1933 |
| Helen Copeland | Daughter | — | 4 | ~1936 |
| Donald Copeland | Son | — | 10 | ~1930 |
| Royner Copeland | Spouse | — | 38 | ~1902 |
| Joe Copeland | Son | — | 16 | ~1924 |
Census Appearances
1930
Upton, Texas
Daughter, age 3
Upton, Texas · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Copeland |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Upton-County, Texas
Daughter, age 13
Upton-County, Texas · implied b. ~1927 — 7 household members
| Surname | Copeland |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Some place |
| 1935 Residence (County) | Upton |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 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 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 13 · b. ~1927 · Texas
★ You are viewing this record
Sibling
Donald Copeland
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patsy Copeland
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Copeland
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Copeland
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 — Upton-County, Texas
Open full size
1940 US Federal Census — Upton-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04153-00766)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | H. M. Fowler | 44 | Head | Tailor | Texas |
| 2 | Ruby Fowler | 27 | Wife | Tailor | Texas |
| 3 | Henry E. Simmons | 41 | Head | Driller | Texas |
| 4 | Edna Mae Simmons | 35 | Wife | — | Texas |
| 5 | Gaye G. Simmons | 15 | Daughter | — | Texas |
| 6 | Robert Simmons | 11 | Son | — | Texas |
| 7 | Eamona J. Simmons | 9 | Daughter | — | Texas |
| 8 | R. V. Parkney | 31 | Head | Driller | Texas |
| 9 | Jewell Parkney | 28 | Wife | — | Texas |
| 10 | John Allen Parkney | 1 | Son | 0 | Texas |
| 11 | J. Ed Smith | 53 | Head | Painter | Tennessee |
| 12 | Tina Smith | 46 | Wife | Operator | Texas |
| 13 | James E. Smith | 15 | Son | — | Texas |
| 14 | Robert L. Smith | 12 | Son | — | Texas |
| 15 | Walter Harris | 72 | Head | Operator | Mississippi |
| 16 | Pearl Harris | 65 | Wife | — | Mississippi |
| 17 | Malvin L. Harris | 40 | Son | Judge | Mississippi |
| 18 | Lelyale Harris | 11 | Grand daughter | — | Texas |
| 19 | Pat Harris | 6 | Grand daughter | — | Texas |
| 20 | R. A. Edens | 38 | Head | Truck Driver | Texas |
| 21 | Ruth Edens | 35 | Wife | Clerk | Texas |
| 22 | Albert Crump | 41 | Head | Tool Dresser | Mississippi |
| 23 | Sarah E. Crump | 33 | Wife | Operator | West Virginia |
| 24 | Thurman M. Jasper | 26 | Head | Teacher | Texas |
| 25 | L. E. Bass | 57 | Head | Carpenter | Georgia |
| 26 | Nera Bass | 41 | Wife | — | Texas |
| 27 | J. William Bass | 19 | Son | Truck Wrapper | Texas |
| 28 | Jerry L. Bass | 17 | Son | — | Texas |
| 29 | Alice Lou Bass | 13 | Daughter | — | Texas |
| 30 | Clenna E. Bass | 10 | Son | — | Texas |
| 31 | L. H. Mckinney | 29 | Head | Salesman | Texas |
| 32 | Josephine Mckinney | 27 | Wife | — | Texas |
| 33 | Robert M. Mckinney | 2 | Son | 0 | Texas |
| 34 | A. M. Copeland | 52 | Head | Painter | Texas |
| 35 | Royner Copeland | 38 | Wife | — | Texas |
| 36 | Joe W. Copeland | 16 | Son | Ticket Collector | Texas |
| 37 | Mary Lou Copeland THIS PERSON | 13 | Daughter | — | Texas |
| 38 | Donald R. Copeland | 10 | Son | — | Texas |
| 39 | Patsy Ruth Copeland | 7 | Daughter | — | Texas |
| 40 | Helen Copeland | 4 | Daughter | — | 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)