WM
William Mcclain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mccurtain-County, Oklahoma
Our Model Tree links this William Mcclain across the 1930 and 1940 US Censuses in Mccurtain-County, Oklahoma (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 5-person household.
Age 13
b. ~1927
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mccurtain-County, Oklahoma |
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (County) | McClain |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Byars Township |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Mcclain | Son | — | 13 | ~1927 |
| Edna Mcclain | Spouse | — | 30 | ~1910 |
| Doris Mcclain | Daughter | — | 12 | ~1928 |
| Wanda Mcclain | Daughter | — | 9 | ~1931 |
| Malcolm Mcclain | Head | — | 40 | ~1900 |
Census Appearances
1930
Mccurtain, Oklahoma
Son, age 3
Mccurtain, Oklahoma · implied b. ~1927 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Mccurtain-County, Oklahoma
Son, age 13
Mccurtain-County, Oklahoma · implied b. ~1927 — 5 household members
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (County) | McClain |
| Class of Worker | 0 |
| Highest Grade | No 6 |
| 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 William Mcclain across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcclain
Son · 1940 · age 13 · b. ~1927 · Oklahoma
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Sibling
Doris Mcclain
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wanda Mcclain
Sibling · 1940 · age 9
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 — Mccurtain-County, Oklahoma
Open full size
1940 US Federal Census — Mccurtain-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03309-00643)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frankie Ray Scroggin | 1 | Son | — | Oklahoma |
| 42 | Maxine Terry | 31 | Sister-in-law | — | Oklahoma |
| 43 | Fred Wood | 62 | Head | Farmer | Illinois |
| 44 | Mary Bell Wood | 60 | Wife | — | Arkansas |
| 45 | Virgil Wood | 26 | Son | — | Oklahoma |
| 46 | Joe Massey | 36 | Lodger | 60 | Tennessee |
| 47 | William M. Wallace | 72 | Head | — | Alabama |
| 48 | Maull T. Wood | 55 | Head | Carpenter | Texas |
| 49 | Mary E. Wood | 57 | Wife | — | Texas |
| 50 | James Marcel Wood | 17 | Son | — | Oklahoma |
| 51 | Tommie J. Greenfield | 29 | Head | Blacksmith | Oklahoma |
| 52 | Nola Greenfield | 26 | Wife | — | Oklahoma |
| 53 | Charles G. Smith | 30 | Head | Farmer | Texas |
| 54 | Edna M. Smith | 27 | Wife | — | Oklahoma |
| 55 | Charles G. Jr. Smith | 4 | Son | — | Oklahoma |
| 56 | Harley Talbot Pool | 34 | Head | Teacher | Arkansas |
| 57 | Ola Agnes Pool | 30 | Wife | — | Oklahoma |
| 58 | Harley Jr. Pool | 9 | Son | — | Oklahoma |
| 59 | Maurice Jr. Pool | 7 | Daughter | — | Oklahoma |
| 60 | Patricia Ann Pool | 0 | Daughter | — | Oklahoma |
| 61 | William D. Harmon | 56 | Head | Farmer | Arkansas |
| 62 | Belle Harmon | 52 | Wife | — | Georgia |
| 63 | Malcolm S. Mcclain | 40 | Head | Foreman Setter | Arkansas |
| 64 | Edna Mcclain | 30 | Wife | — | Texas |
| 65 | William Mcclain THIS PERSON | 13 | Son | — | Texas |
| 66 | Doris June Mcclain | 12 | Daughter | — | Oklahoma |
| 67 | Wanda Faye Mcclain | 9 | Daughter | — | Oklahoma |
| 68 | Henry Johnson | 25 | Head | Farmer | Oklahoma |
| 69 | Mildred B. Johnson | 26 | Wife | — | Arkansas |
| 70 | Ulysses Henry May | 47 | Head | Farmer | Texas |
| 71 | Stella D. May | 55 | Wife | — | Arkansas |
| 72 | Laura E. Mcbride | 80 | Mother-in-law | — | Arkansas |
| 73 | Abslom Milton May | 74 | Head | — | Texas |
| 74 | William Travis | 71 | Head | — | Tennessee |
| 75 | Addie Sue Travis | 58 | Wife | — | Alabama |
| 76 | Hugh West | 28 | Head | Laborer | Oklahoma |
| 77 | Ruby Inez West | 20 | Wife | — | Oklahoma |
| 78 | Shirley Mae West | 1 | Daughter | — | Oklahoma |
| 79 | Luther Manning | 73 | Head | Stock Buyer | Texas |
| 80 | Leta Manning | 25 | Wife | — | 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)