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William Hogan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Yankton-County, South Dakota
Our Model Tree links this William Hogan across the 1930 and 1940 US Censuses in Yankton-County, South Dakota (XGBoost, ~Confirmed) — first a head (b.~1883), then head of a 7-person household.
Age 57
b. ~1883
Male
Head
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Yankton-County, South Dakota |
| Surname | Hogan |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Yankton City |
| 1935 Residence (County) | Yankton |
| Additional Details | |
| Occupation | Locomotive Engineer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 3000 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Locomotive Engineer |
| Township / Ward | Yankton City |
| Est. Birth Year | ~1883 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Jean Hogan | Daughter | — | 8 | ~1932 |
| Patricia Hogan | Daughter | — | 6 | ~1934 |
| William Hogan | Head | — | 57 | ~1883 |
| Daniel Hogan | Son | — | 10 | ~1930 |
| James Hogan | Son | — | 3 | ~1937 |
| Vernon Hogan | Son | — | 18 | ~1922 |
| Alvira Hogan | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Yankton, South …
Head, age 47
Yankton, South Dakota · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 44 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New York |
| Occupation | Engineer |
| Industry | Locomotive |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Yankton-County, South …
Head, age 57
Yankton-County, South Dakota · implied b. ~1883 — 7 household members
| Surname | Hogan |
| Given Name | William B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Yankton City |
| 1935 Residence (County) | Yankton |
| Occupation | Locomotive Engineer |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 3000 |
| Highest Grade | H-2 |
| 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 Hogan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Hogan
Head · 1940 · age 57 · b. ~1883 · South Dakota
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Yankton-County, South Dakota
Open full size
1940 US Federal Census — Yankton-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03870-00338)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Richard F. Willmers | 29 | Head | Asst Manager | Iowa |
| 42 | Mildred Willmers | 28 | Wife | — | Iowa |
| 43 | Richard L. Willmers | 2 | Son | — | Iowa |
| 44 | William B. Hogan THIS PERSON | 57 | Head | Locomotive Engineer | Iowa |
| 45 | Alvira M. Hogan | 39 | Wife | — | Minnesota |
| 46 | Vernon Hogan | 18 | Son | — | Minnesota |
| 47 | Daniel Hogan | 10 | Son | — | South Dakota |
| 48 | Jean Hogan | 8 | Daughter | — | South Dakota |
| 49 | Patricia Hogan | 6 | Daughter | — | South Dakota |
| 50 | James Hogan | 3 | Son | — | South Dakota |
| 51 | Daniel P. Tountas | 53 | Head | Insurance Agent | South Dakota |
| 52 | Rose F. Tountas | 52 | Wife | — | Iowa |
| 53 | Aldine L. De Nis | 23 | Lodger | Instructor | South Dakota |
| 54 | M. Maurine Russell | 23 | Lodger | Instructor | Missouri |
| 55 | Helen M. Holmberg | 24 | Lodger | Instructor | Iowa |
| 56 | John W. Ellerman | 61 | Head | Agent | South Dakota |
| 57 | Lena M. Ellerman | 51 | Wife | — | Nebraska |
| 58 | Harry H. Ellerman | 30 | Son | Technician | California |
| 59 | Donald E. Johnson | 25 | Head | Pressman | South Dakota |
| 60 | Audrey A. Johnson | 24 | Wife | — | South Dakota |
| 61 | Barry S. Johnson | 1 | Son | — | South Dakota |
| 62 | Harold W. Cunningham | 27 | Head | Printer | South Dakota |
| 63 | Mary K. Cunningham | 23 | Wife | — | South Dakota |
| 64 | Warren D. Bailey | 43 | Head | Salesman | Nebraska |
| 65 | Ardell Bailey | 27 | Wife | — | Nebraska |
| 66 | Mariel Bailey | 4 | Daughter | — | Nebraska |
| 67 | Harry J. Stachler | 57 | Head | Superintendent | Russia |
| 68 | Mary X. Stachler | 39 | Wife | — | Iowa |
| 69 | Jerome Stachler | 12 | Son | — | Iowa |
| 70 | Herald Stachler | 12 | Son | — | Iowa |
| 71 | James Stachler | 6 | Son | — | South Dakota |
| 72 | Randolph Jacobsen | 33 | Head | Printer | South Dakota |
| 73 | Alice M. Jacobsen | 31 | Wife | — | South Dakota |
| 74 | Marjorie A. Jacobsen | 10 | Daughter | — | South Dakota |
| 75 | William Jacobsen | 7 | Son | — | South Dakota |
| 76 | Margaret Jacobsen | 6 | Daughter | — | South Dakota |
| 77 | John R. Jacobsen | 4 | Son | — | South Dakota |
| 78 | Janice Jacobsen | 3 | Daughter | — | South Dakota |
| 79 | Hilda M. Petran | 56 | Mother-in-law | Practical Nurse | Sweden |
| 80 | John E. Brierweiler | 57 | Head | Medical Doctor | Iowa |
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)