RM
Robert Mccoy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Texas-County, Oklahoma
Our Model Tree links this Robert Mccoy across the 1920, 1930 and 1940 US Censuses in Texas-County, Oklahoma (XGBoost, ~Confirmed), with identified parents Hugh & Adelyne — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Oklahoma
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Texas-County, Oklahoma |
| Surname | McCoy |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Range Twp |
| 1935 Residence (County) | Texas |
| Additional Details | |
| Occupation | Farming |
| Industry | Butcher |
| Class of Worker | NP |
| Hours Worked | 25 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
| Occupation | Farming |
| Township / Ward | Range Twp |
| 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Wilks Mccoy | Son | — | 17 | ~1923 |
| Ronald Mccoy | Son | — | 20 | ~1920 |
| Robert Mccoy | Son | — | 21 | ~1919 |
| Iva Mccoy | Daughter | — | 29 | ~1911 |
| Adelyne Mccoy | Head | — | 46 | ~1894 |
Census Appearances
1920
Texas, Oklahoma
Son, age 1
Texas, Oklahoma · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | Robert A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oklahoma |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1930
Texas, Oklahoma
Son, age 11
Texas, Oklahoma · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Oklahoma |
| Can Read/Write | Yes |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
1940
Texas-County, Oklahoma
Son, age 21
Texas-County, Oklahoma · implied b. ~1919 — 5 household members
| Surname | McCoy |
| Given Name | Robert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Oklahoma |
| 1935 Residence (City) | Range Twp |
| 1935 Residence (County) | Texas |
| Occupation | Farming |
| Industry | Butcher |
| Class of Worker | NP |
| Hours Worked | 25 |
| Highest Grade | C-1 |
| 1935 Residence | Same place |
| Birth State | Oklahoma |
| Birth Country | United States |
| Birthplace (normalized) | oklahoma |
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 Robert Mccoy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Mccoy (~0.92 confidence) and mother Adelyne Mccoy (~0.92 confidence) and mother Ethel Mccoy (~0.92 confidence) and mother Mary Mccoy (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hugh Mccoy
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Adelyne Mccoy
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Ethel Mccoy
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Mccoy
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Mccoy
Son · 1940 · age 21 · b. ~1919 · Oklahoma
★ You are viewing this record
Sibling
Wilks Mccoy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Mccoy
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iva Mccoy
Sibling · 1940 · age 29
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 — Texas-County, Oklahoma
Open full size
1940 US Federal Census — Texas-County, Oklahoma
Page Contents
9 people indexed on this census page (nara:1940:m-t0627-03335-00272)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | H. Chuck | 62 | Head | Farming | Georgia |
| 2 | Ed Ralley | 57 | Brother-in-law | Farming | Iowa |
| 3 | Melisa Ralley | 51 | Sister | — | Texas |
| 4 | Edward Price | 57 | Head | — | Indiana |
| 5 | Adelyne Mccoy | 46 | Head | — | Oklahoma |
| 6 | Iva Mccoy | 29 | daughter | — | Oklahoma |
| 7 | Robert Mccoy THIS PERSON | 21 | son | Farming | Oklahoma |
| 8 | Ronald Mccoy | 20 | son | Farming | Oklahoma |
| 9 | Wilks Mccoy | 17 | son | Farming | Oklahoma |
Related Census Records
Pedigree Summary
Robert + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)