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William Hahn — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Chickasaw, Iowa
Our Model Tree links this William Hahn across the 1920, 1930 and 1940 US Censuses in Chickasaw, Iowa (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 10-person household.
Age 42
b. ~1878
Male
Head
Born: Iowa
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Chickasaw, Iowa |
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farmer |
| Township / Ward | Richland Township |
| Est. Birth Year | ~1878 |
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.
10 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Clarence Hahn | Son | — | 14 | ~1906 |
| Mary Hahn | Daughter | — | 16 | ~1904 |
| Teresa Hahn | Daughter | — | ~1920 | |
| Freddie Hahn | Son | — | 12 | ~1908 |
| Elsie Hahn | Other | — | 41 | ~1879 |
| Adolph Hahn | Son | — | 20 | ~1900 |
| Emil Hahn | Son | — | 18 | ~1902 |
| Albert Hahn | Son | — | 11 | ~1909 |
| Albin Hahn | Son | — | 3 | ~1917 |
| William Hahn | Head | — | 42 | ~1878 |
Census Appearances
1920
Chickasaw, Iowa
Head, age 42
Chickasaw, Iowa · implied b. ~1878 — 10 household members
| Surname | Hahn |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | Emp |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Chickasaw, Iowa
Head, age 52
Chickasaw, Iowa · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hahn |
| Given Name | Will |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 21 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Rented farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Bremer-County, Iowa
Head, age 62
Bremer-County, Iowa · implied b. ~1878 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hahn |
| Given Name | Will |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Douglas Twp. |
| 1935 Residence (County) | Bremer |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | H 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 Hahn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hahn
Head · 1920 · age 42 · b. ~1878 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Chickasaw, Iowa
Open full size
1920 US Federal Census — Chickasaw, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu482unit:0511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbra Marie | 13 | Daughter | — | Iowa |
| 2 | Ellis S | 11 | Son | — | Iowa |
| 3 | Melvin Harris | 52 | Head | Farmer | Iowa |
| 4 | Maude E Harris | 32 | Wife | — | Iowa |
| 5 | Ethel K Harris | 4 | Daughter | — | Iowa |
| 6 | Florence I Harris | 2 | Daughter | — | Iowa |
| 7 | Paul M Boghun | 23 | Head | Farmer | Iowa |
| 8 | Vera I Boghun | 24 | Wife | — | Iowa |
| 9 | Otto C Maher | 33 | Head | Farmer | Iowa |
| 10 | Sylvia M Maher | 34 | Wife | — | Iowa |
| 11 | Alice M Maher | 9 | Daughter | — | Iowa |
| 12 | Harold D Maher | 4 | Son | — | Iowa |
| 13 | Imogene F Maher | 1 | Daughter | — | Iowa |
| 14 | Ernest L Hanson | 45 | Head | Farmer | Iowa |
| 15 | Lena M Hanson | 39 | Wife | — | Iowa |
| 16 | Amanda L Hanson | 15 | Daughter | — | Iowa |
| 17 | Norbert W Hanson | 10 | Son | — | Iowa |
| 18 | Ella M Hanson | 8 | Daughter | — | Iowa |
| 19 | Glen H Hanson | 28 | Head | Farmer | Iowa |
| 20 | Olive M Hanson | 25 | Wife | — | Iowa |
| 21 | Lewis H Knapp | 50 | Head | Farmer | Iowa |
| 22 | Ida G Knapp | 47 | Wife | — | Iowa |
| 23 | Ramona G Knapp | 20 | Daughter | — | Iowa |
| 24 | Paul N Knapp | 13 | Nephew | — | South Dakota |
| 25 | Elmer F Eckenrod | 41 | Head | Farmer | Iowa |
| 26 | Lena A Eckenrod | 40 | Wife | — | Iowa |
| 27 | Caroline L Eckenrod | 14 | Daughter | — | Iowa |
| 28 | Joseph L Eckenrod | 9 | Son | — | Iowa |
| 29 | Helen C Eckenrod | 7 | Daughter | — | Iowa |
| 30 | Benjamin J Eckenrod | 38 | Brother | Machinist | Iowa |
| 31 | Homer J Haddy | 25 | Head | Farmer | Iowa |
| 32 | Winnie E Haddy | 26 | Wife | — | Iowa |
| 33 | Edward J Haddy | 0 | Son | — | Iowa |
| 34 | J. F. Slack | 29 | Head | Buttermaker | Iowa |
| 35 | Marie Slack | 25 | Wife | — | Iowa |
| 36 | Everett E Slack | 5 | Son | — | Iowa |
| 37 | Theodore W Slack | 3 | Son | — | Iowa |
| 38 | William Hahn THIS PERSON | 42 | Head | Farmer | Iowa |
| 39 | Elsie M Hahn | 41 | 1896 | — | Germany |
| 40 | Adolph C Hahn | 20 | Son | Farm Laborer | Iowa |
| 41 | Emil H Hahn | 18 | Son | Farm Laborer | Iowa |
| 42 | Mary A Hahn | 16 | Daughter | Housekeeper | Iowa |
| 43 | Clarence F Hahn | 14 | Son | — | Iowa |
| 44 | Freddie O Hahn | 12 | Son | — | Iowa |
| 45 | Albert A Hahn | 11 | Son | — | Iowa |
| 46 | Albin E Hahn | 3 | Son | — | Iowa |
| 47 | Teresa O Hahn | 0 | Daughter | — | Iowa |
| 48 | Henry Timmerman | 55 | Head | Farmer | Wisconsin |
| 49 | Barbara M Timmerman | None | Wife | — | Germany |
| 50 | Edward H Timmerman | 30 | Son | Farm Laborer | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)