WM
William Mcclain — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this William Mcclain across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 6-person household.
Age 14
b. ~1926
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Darrell Mcclain | Son | — | 12 | ~1928 |
| Russell Mcclain | Head | — | 38 | ~1902 |
| Edna Mcclain | Spouse | — | 34 | ~1906 |
| Millicent Mcclain | Daughter | — | 7 | ~1933 |
| Earl Mcclain | Son | — | 10 | ~1930 |
| William Mcclain | Son | — | 14 | ~1926 |
Census Appearances
1930
Marion, Indiana
Son, age 4
Marion, Indiana · implied b. ~1926 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 14
Marion-County, Indiana · implied b. ~1926 — 6 household members
| Surname | McClain |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Hours Worked | 6 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 14 · b. ~1926 · Indiana
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Sibling
Earl Mcclain
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darrell Mcclain
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millicent Mcclain
Sibling · 1940 · age 7
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01128-00889)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Kenneth Tait | 7 | Son | — | Ohio |
| 2 | Patricia Tait | 5 | Daughter | — | Indiana |
| 3 | Dorothy Rhodes | 16 | Lodger | — | Oklahoma |
| 4 | Frank Bryant | 39 | Head | Truck Driver | Kentucky |
| 5 | Mary Bryant | 34 | Wife | — | Kentucky |
| 6 | Charles Bryant | 16 | Son | New Worker | Kentucky |
| 7 | Helen Bryant | 14 | Daughter | — | Kentucky |
| 8 | Velma Bryant | 11 | Daughter | — | Kentucky |
| 9 | C. Floyd Trees | 49 | Head | Barber Shop | Indiana |
| 10 | Leata Trees | 34 | Wife | Beauty Operator | Illinois |
| 11 | Patty Price | 11 | Daughter | — | Indiana |
| 12 | Barbara Price | 7 | Daughter | — | Illinois |
| 13 | Henry Pinkston | 47 | Head | Laborer | Indiana |
| 14 | Hazel Pinkston | 48 | Wife | — | Indiana |
| 15 | Lilly Liford | 24 | Daughter | Pension | Indiana |
| 16 | Lilly Liford | 5 | Daughter | — | Indiana |
| 17 | Annie Branham | 40 | Head | Seamstress | Missouri |
| 18 | Betty Branham | 14 | Daughter | — | Indiana |
| 19 | Robert Lowder | 18 | Lodger | Loader | Ohio |
| 20 | Thelma Lowder | 18 | Daughter | — | Indiana |
| 21 | Bertha Vickling | 51 | Head | Retired | Indiana |
| 22 | Donald Milhouse | 40 | Houseman | House Man | Indiana |
| 23 | Jerry Sands | 38 | Head | Accountant | Illinois |
| 24 | Percell Sands | 37 | Wife | — | Illinois |
| 25 | Mary Sands | 16 | Daughter | — | Missouri |
| 26 | Jerry Sands | 8 | Son | — | Indiana |
| 27 | Ronald Sands | 6 | Son | — | Indiana |
| 28 | Russell Mcclain | 38 | Head | Metal Polisher | Indiana |
| 29 | Edna Mcclain | 34 | Wife | — | Indiana |
| 30 | William Mcclain THIS PERSON | 14 | Son | — | Indiana |
| 31 | Darrell Mcclain | 12 | Son | — | Indiana |
| 32 | Earl Mcclain | 10 | Son | — | Indiana |
| 33 | Millicent Mcclain | 7 | Daughter | — | Indiana |
| 34 | Fred Wardwell | 52 | Head | Radio Repair | Indiana |
| 35 | Eva Wardwell | 26 | Wife | — | Kentucky |
| 36 | Charlotte Wardwell | 9 | Daughter | — | Indiana |
| 37 | Jacklin Wardwell | 7 | Daughter | — | Indiana |
| 38 | James Miller | 44 | Head | Salesman | Indiana |
| 39 | May Miller | 49 | Wife | Waitress | Indiana |
| 40 | James Moreland | 17 | Son | — | Indiana |
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)