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William Hickman — 1940 US Census Record
Model Tree available1940 United States Federal Census · Buchanan-County, Iowa
Our Model Tree links this William Hickman across the 1920, 1930 and 1940 US Censuses in Buchanan-County, Iowa (XGBoost, ~Confirmed), with identified parents Joe & Joel — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Iowa |
| Surname | Hickman |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Fremont twp. |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 888 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Laborer |
| Township / Ward | Fremont Twp |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Hickman | Son | — | 23 | ~1917 |
| Joe Hickman | Head | — | 54 | ~1886 |
| Jean Hickman | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Buchanan, Iowa
Son, age 3
Buchanan, Iowa · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | William J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Scotland |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Buchanan, Iowa
Son, age 13
Buchanan, Iowa · implied b. ~1917 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hickman |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Buchanan-County, Iowa
Son, age 23
Buchanan-County, Iowa · implied b. ~1917 — 3 household members
| Surname | Hickman |
| Given Name | William J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Fremont twp. |
| 1935 Residence (County) | Buchanan |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Income (1939) | 888 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Hickman across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joe Hickman (~0.92 confidence) and father Joel Hickman (~0.92 confidence) and mother Jean Hickman (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joe Hickman
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Joel Hickman
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Jean Hickman
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hickman
Son · 1940 · age 23 · b. ~1917 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Buchanan-County, Iowa
Open full size
1940 US Federal Census — Buchanan-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01142-00670)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Betty A Bergfeld | 7 | Daughter | — | Iowa |
| 2 | Donna Jean Bergfeld | 5 | Daughter | — | Iowa |
| 3 | Marguerite Bergfeld | 3 | Daughter | — | Iowa |
| 4 | James M Bergfeld | 1 | Daughter | — | Iowa |
| 5 | Harry R Bergstead | 38 | Head | Farmer | Illinois |
| 6 | Meldora A Bergstead | 36 | Wife | — | Iowa |
| 7 | Mary Eileen Bergstead | 16 | Daughter | — | Iowa |
| 8 | Harry Junior Bergstead | 11 | Son | — | California |
| 9 | Vernon D Reece | 22 | Head | Laborer | Iowa |
| 10 | Clara G B Reece | 21 | Wife | — | Iowa |
| 11 | Lois L Reece | 0 | Son | — | Iowa |
| 12 | Harry J Trott | 44 | Head | Farmer | Iowa |
| 13 | Blanche A Trott | 47 | Wife | — | Illinois |
| 14 | Dale W Trott | 16 | Son | — | Iowa |
| 15 | Charles L D Yeager | 52 | Head | Farmer | Iowa |
| 16 | Dorothea E Yeager | 49 | Wife | — | Germany |
| 17 | Verna M Yeager | 12 | Daughter | — | So Dakota |
| 18 | Leon H Klein | 24 | Head | Farmer | Iowa |
| 19 | Francis A Klein | 27 | Wife | — | Iowa |
| 20 | Arthur L Wadruf | 32 | Head | Farmer | Iowa |
| 21 | Hermes M D Wadruf | 28 | Wife | — | Iowa |
| 22 | Georgia M Wadruf | 11 | Daughter | — | Iowa |
| 23 | Donna L Wadruf | 7 | Daughter | — | Iowa |
| 24 | Donald J Boyd | 35 | Head | Farmer | Idaho |
| 25 | Della N Boyd | 32 | Wife | — | Iowa |
| 26 | Harold L Cusick | 28 | Head | Farmer | Iowa |
| 27 | Hazel M Cusick | 29 | Wife | — | Iowa |
| 28 | Barbara A Cusick | 7 | Daughter | — | Iowa |
| 29 | William H Cusick | 6 | Son | — | Iowa |
| 30 | Richard H Cusick | 1 | Son | — | Iowa |
| 31 | Paul E Check | 39 | Head | Farmer | Illinois |
| 32 | Mary E Check | 30 | Wife | — | Iowa |
| 33 | Donald P Check | 10 | Son | — | Iowa |
| 34 | Harlan E Check | 6 | Son | — | Iowa |
| 35 | Raymond D Reece | 18 | Hired Hand | Laborer | Iowa |
| 36 | Joe L Hickman | 54 | Head | Farmer | Iowa |
| 37 | Jean Hickman | 56 | Wife | — | Scotland |
| 38 | William J Hickman THIS PERSON | 23 | Son | Laborer | Iowa |
| 39 | Lee A Griswold | 45 | Head | Farmer | Iowa |
| 40 | Evelyn D Griswold | 44 | Wife | — | Iowa |
Pedigree Summary
William
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)