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William Hahn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wabash-County, Indiana
Our Model Tree links this William Hahn across the 1930 and 1940 US Censuses in Wabash-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wabash-County, Indiana |
| Surname | Hahn |
| Given Name | William Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Waltz |
| 1935 Residence (County) | Wabash |
| Additional Details | |
| Occupation | Carpenterwork |
| Industry | Carpentry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 308 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Carpenterwork |
| Township / Ward | Waltz |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| William Hahn | Head | — | 51 | ~1889 |
| William Hahn | Son | — | 20 | ~1920 |
| Anna Hahn | Daughter | — | 16 | ~1924 |
| Agnes Hahn | Spouse | — | 47 | ~1893 |
| Helen Hahn | Daughter | — | 6 | ~1934 |
| Kenneth Hahn | Son | — | 9 | ~1931 |
Census Appearances
1930
Wabash, Indiana
Son, age 10
Wabash, Indiana · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hahn |
| Given Name | William R |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Wabash-County, Indiana
Son, age 20
Wabash-County, Indiana · implied b. ~1920 — 6 household members
| Surname | Hahn |
| Given Name | William Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Waltz |
| 1935 Residence (County) | Wabash |
| Occupation | Carpenterwork |
| Industry | Carpentry |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 308 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| 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 Hahn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hahn
Son · 1940 · age 20 · b. ~1920 · Indiana
★ You are viewing this record
Sibling
Kenneth Hahn
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Hahn
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hahn
Sibling · 1940 · age 16
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 — Wabash-County, Indiana
Open full size
1940 US Federal Census — Wabash-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01106-00745)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha May Bone | 5 | Daughter | — | Indiana |
| 42 | Patsie Ann Bone | 3 | Daughter | — | Indiana |
| 43 | Emmett Snyder | 28 | Lodger | Operating Sugar Beet Loader | Indiana |
| 44 | Willard Draper | 45 | Head | Farmer | Indiana |
| 45 | Mary Draper | 39 | Wife | — | Indiana |
| 46 | Hazel Draper | 19 | Daughter | Housework | Indiana |
| 47 | Homer Draper | 17 | Son | Laborer | Indiana |
| 48 | Edna Draper | 15 | Daughter | — | Indiana |
| 49 | Anna June Draper | 13 | Daughter | — | Indiana |
| 50 | Carl Arrick | 31 | Head | Machinist | Indiana |
| 51 | Florence Arrick | 32 | Wife | — | Indiana |
| 52 | Colleen Arrick | 9 | Daughter | — | Indiana |
| 53 | Jon Lee Arrick | 1 | Son | — | Indiana |
| 54 | Omer Bowman | 44 | Head | School Bus Driver & Laborer | Indiana |
| 55 | Belle Bowman | 40 | Wife | — | Indiana |
| 56 | Maxine Tobias | 20 | Stepdaughter | Operator | Indiana |
| 57 | Frank Curtis | 64 | Lodger | Laborer | Pennsylvania |
| 58 | Guy Bowman | 35 | Head | School Bus Driver & Store Operator | Indiana |
| 59 | Geraldine Bowman | 31 | Wife | — | Indiana |
| 60 | Pamalee Bowman | 4 | Daughter | — | Indiana |
| 61 | Gary H. Bowman | 2 | Son | — | Indiana |
| 62 | William F. Hahn | 51 | Head | Carpenterwork | Indiana |
| 63 | Agnes G. Hahn | 47 | Wife | — | Indiana |
| 64 | William Robert Hahn THIS PERSON | 20 | Son | Carpenterwork | Indiana |
| 65 | Anna Mae Hahn | 16 | Daughter | — | Indiana |
| 66 | Kenneth Dwayne Hahn | 9 | Son | — | Indiana |
| 67 | Helen Delores Hahn | 6 | Daughter | — | Indiana |
| 68 | Roy Shaw | 56 | Head | Farmer | Indiana |
| 69 | Ethel Shaw | 51 | Wife | — | Indiana |
| 70 | Claude Hawley | 49 | Head | Laborer | Indiana |
| 71 | Tina Hawley | 70 | Mother | — | Indiana |
| 72 | Charles Wood | 23 | Nephew | Truck Driver | Indiana |
| 73 | Alice Wood | 15 | Niece | — | Indiana |
| 74 | Ralph Edward Wood | 8 | Nephew | — | Indiana |
| 75 | Ralph Bowman | 24 | Head | Laborer | Indiana |
| 76 | Frances Marie Bowman | 19 | Wife | — | Indiana |
| 77 | Donna Mae Bowman | 2 | Daughter | — | Indiana |
| 78 | Walter Miller | 56 | Head | Operator | Indiana |
| 79 | Martha Miller | 51 | Wife | — | Indiana |
| 80 | Charlotte Louise Miller | 15 | Daughter | — | 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)