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William Whitehead — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pennington-County, South Dakota
Our Model Tree links this William Whitehead across the 1930 and 1940 US Censuses in Pennington-County, South Dakota (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pennington-County, South Dakota |
| Surname | Whitehead |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Township 1 North Range 7 East (Part) |
| 1935 Residence (County) | Pennington |
| Additional Details | |
| Occupation | Surveyor |
| Industry | Electrification |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 792 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Surveyor |
| Township / Ward | Township 1 North Range 7 East Part |
| Est. Birth Year | ~1914 |
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 |
|---|---|---|---|---|
| Lola Whitehead | Spouse | — | 54 | ~1886 |
| Frank Whitehead | Son | — | 13 | ~1927 |
| Lewis Whitehead | Son | — | 10 | ~1930 |
| George Whitehead | Son | — | 19 | ~1921 |
| William Whitehead | Son | — | 26 | ~1914 |
| William Whitehead | Head | — | 59 | ~1881 |
Census Appearances
1930
Pennington, South …
Son, age 16
Pennington, South Dakota · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whitehead |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Pennington-County, South …
Son, age 26
Pennington-County, South Dakota · implied b. ~1914 — 6 household members
| Surname | Whitehead |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Township 1 North Range 7 East (Part) |
| 1935 Residence (County) | Pennington |
| Occupation | Surveyor |
| Industry | Electrification |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 792 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Whitehead across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Whitehead
Son · 1940 · age 26 · b. ~1914 · South Dakota
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Sibling
George Whitehead
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lewis Whitehead
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Whitehead
Sibling · 1940 · age 13
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 — Pennington-County, South Dakota
Open full size
1940 US Federal Census — Pennington-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03865-00877)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard W Cent | 11 | Son | — | Illinois |
| 42 | Chauncey W Cent | 8 | Son | — | Illinois |
| 43 | Nellie Mitchell | 52 | Housemaid | Housemaid | Nebraska |
| 44 | William R. B. Whitehead | 59 | Head | Farmer | Iowa |
| 45 | Lola M Whitehead | 54 | Wife | — | Iowa |
| 46 | William J. Whitehead THIS PERSON | 26 | Son | Surveyor | Iowa |
| 47 | George R Whitehead | 19 | Son | — | Iowa |
| 48 | Frank L Whitehead | 13 | Son | — | South Dakota |
| 49 | Lewis C Whitehead | 10 | Son | — | South Dakota |
| 50 | Ray F. Davis | 21 | Head | Farmer | South Dakota |
| 51 | Hallene E Davis | 23 | Wife | — | South Dakota |
| 52 | Lois M Davis | 2 | Daughter | — | Oregon |
| 53 | Guy E. Taylor | 50 | Head | Farmer | South Dakota |
| 54 | Beatrice G. Taylor | 49 | Wife | — | Nebraska |
| 55 | Julia E. Reed | 55 | Head | Proprietor | South Dakota |
| 56 | Ray E. Terntery | Ternbery | 37 | Head | Surgeon | South Dakota |
| 57 | Myretta J. Terntery | Ternbery | 38 | Wife | — | South Dakota |
| 58 | Otto F. Kepp | 53 | Head | Proprietor | Minnesota |
| 59 | Ruth Kepp | 52 | Wife | Saleslady | Minnesota |
| 60 | Clarence Bruce | 32 | Roomer | Truck Driver | North Dakota |
| 61 | Polly L. Bruce | 21 | Maid | Housekeeper | South Dakota |
| 62 | Arthur Hunt | 62 | Head | Machinist | New York |
| 63 | Anna F. Hunt | 61 | Wife | — | New York |
| 64 | George Platt | 44 | Head | Farmer | Colorado |
| 65 | Josephine P. Platt | 42 | Wife | — | South Dakota |
| 66 | Stella M Platt | 10 | Daughter | — | South Dakota |
| 67 | George M Jr Platt | 8 | Son | — | South Dakota |
| 68 | Ray E. Weins | 45 | Head | Truck Driver | South Dakota |
| 69 | Mabel Weins | 45 | Wife | — | South Dakota |
| 70 | Helmer P. Hamm | 28 | Head | Proprietor | Minnesota |
| 71 | Ina M. Hamm | 21 | Wife | — | South Dakota |
| 72 | Leo R. Hamm | 4 | Son | — | South Dakota |
| 73 | Ted E. Hamm | 3 | Son | — | South Dakota |
| 74 | Dean R Hamm | 1 | Son | — | South Dakota |
| 75 | Udo N. Schamber | 43 | Head | Farmer | South Dakota |
| 76 | Richard H Braithwaite | 42 | Head | Superintendent | Pennsylvania |
| 77 | Jessie A. Braithwaite | 32 | Wife | — | Iowa |
| 78 | Thomas A. Mcphee | 22 | Step Son | Store Clerk | South Dakota |
| 79 | Herbert H. Elliott | 38 | Head | Proprietor | Oklahoma |
| 80 | Irene L Elliott | 42 | Wife | Decorator | South Dakota |
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)