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Eugene Hall — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buchanan-County, Iowa
Our Model Tree links this Eugene Hall across the 1930 and 1940 US Censuses in Buchanan-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 7-person household.
Age 10
b. ~1930
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buchanan-County, Iowa |
| Surname | Hall |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Independence City |
| 1935 Residence (County) | Buchanan |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Independence City |
| Est. Birth Year | ~1930 |
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 Eugene | Age | Birth yr |
|---|---|---|---|---|
| Eugene Hall | Son | — | 10 | ~1930 |
| Mary Hall | Daughter | — | 2 | ~1938 |
| Truman Hall | Son | — | 5 | ~1935 |
| Margaret Hall | Daughter | — | 12 | ~1928 |
| Obera Hall | Spouse | — | 34 | ~1906 |
| David Hall | Son | — | 8 | ~1932 |
| Don Hall | Head | — | 36 | ~1904 |
Census Appearances
1930
Buchanan, Iowa
Son, age 1
Buchanan, Iowa · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hall |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Washington |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Buchanan-County, Iowa
Son, age 10
Buchanan-County, Iowa · implied b. ~1930 — 7 household members
| Surname | Hall |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Independence City |
| 1935 Residence (County) | Buchanan |
| Highest Grade | No 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 Eugene Hall across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Eugene Hall
Son · 1940 · age 10 · b. ~1930 · Iowa
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Sibling
David Hall
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Hall
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Truman Hall
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hall
Sibling · 1940 · age 2
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 — 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-t0627-01142-01016)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annette P. Haley | 63 | Daughter | — | Iowa |
| 2 | John L. Haley | 35 | Son | — | Iowa |
| 3 | Emery H. Hart | 45 | Head | Police | Iowa |
| 4 | Minnie M. Hart | 40 | Wife | — | Iowa |
| 5 | Inez Hart | 9 | Daughter | — | Iowa |
| 6 | Richard Armstrong | 50 | Head | Shoe Repair | Iowa |
| 7 | Katherine Armstrong | 33 | Wife | — | Iowa |
| 8 | Maynard Armstrong | 21 | Son | New Worker | Iowa |
| 9 | Ray Pike | 52 | Head | Farm Laborer | Iowa |
| 10 | Lillian Pike | 42 | Wife | Housework | Iowa |
| 11 | Merritt Pike | 25 | Son | Clerk | Iowa |
| 12 | Everett Pike | 23 | Son | Service Station Attendant | Iowa |
| 13 | Harold Todd | 49 | Head | Laborer | Iowa |
| 14 | Lena Todd | 46 | Wife | — | Missouri |
| 15 | Franklin Todd | 21 | Son | Laborer | Iowa |
| 16 | Lucilla Todd | 16 | Daughter | — | Iowa |
| 17 | Edison Todd | 7 | Son | — | Iowa |
| 18 | Wayne Mason | 29 | Head | Clerk | Minnesota |
| 19 | Laverne Mason | 18 | Wife | — | Iowa |
| 20 | James Mason | 2 | Son | — | Iowa |
| 21 | Laura Saunders | 67 | Head | — | Wisconsin |
| 22 | Matilda Irmen | 65 | Head | — | Iowa |
| 23 | Henry P. Christensen | 55 | Head | Plumber | Iowa |
| 24 | Bertha Christensen | 55 | Wife | — | Iowa |
| 25 | Viola Tull | 25 | Daughter | — | Iowa |
| 26 | Gordon Tull | 3 | Grandson | — | Iowa |
| 27 | Clyde Christensen | 23 | Son | Laborer | Iowa |
| 28 | Lee C. Bellmer | 38 | Head | Mechanic | Iowa |
| 29 | Ida Bellmer | 33 | Wife | — | N. Dakota |
| 30 | Edward Griffith | 55 | Head | Laborer | Iowa |
| 31 | Don N. Hall | 36 | Head | Engineer | Iowa |
| 32 | Obera E. Hall | 34 | Wife | — | Washington |
| 33 | Margaret Hall | 12 | Daughter | — | Iowa |
| 34 | Eugene Hall THIS PERSON | 10 | Son | — | Iowa |
| 35 | David Hall | 8 | Son | — | Iowa |
| 36 | Truman Hall | 5 | Son | — | Iowa |
| 37 | Mary Hall | 2 | Daughter | — | Iowa |
| 38 | Hugo J. Melka | 47 | Head | Machinist | Iowa |
| 39 | Anna May Melka | 43 | Wife | — | Iowa |
| 40 | Glenoh Melka | 18 | Daughter | — | 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)