JH
James Hanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Buena-Vista-County, Iowa
Our Model Tree links this James Hanson across the 1930 and 1940 US Censuses in Buena-Vista-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Buena-Vista-County, Iowa |
| Surname | Hanson |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Linn Grove |
| 1935 Residence (County) | Buena Vista |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Linn Grove |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Carol Hanson | Daughter | — | 6 | ~1934 |
| Robert Hanson | Son | — | 11 | ~1929 |
| James Hanson | Son | — | 10 | ~1930 |
| John Hanson | Son | — | 5 | ~1935 |
| Agnes Hanson | Spouse | — | 33 | ~1907 |
| Hiram Hanson | Head | — | 35 | ~1905 |
| Rachel Hanson | Daughter | — | 8 | ~1932 |
| Harold Hanson | Son | — | 3 | ~1937 |
Census Appearances
1930
Buena Vista, …
Son, age
Buena Vista, Iowa · implied b. ~1930 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | James A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Buena-Vista-County, Iowa
Son, age 10
Buena-Vista-County, Iowa · implied b. ~1930 — 8 household members
| Surname | Hanson |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Linn Grove |
| 1935 Residence (County) | Buena Vista |
| Highest Grade | No 5 |
| 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 James Hanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Hanson
Son · 1940 · age 10 · b. ~1930 · Iowa
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Sibling
Carol Hanson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hanson
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Hanson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Hanson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rachel Hanson
Sibling · 1940 · age 8
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 — Buena-Vista-County, Iowa
Open full size
1940 US Federal Census — Buena-Vista-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01143-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Francis M Pohlen | 36 | Wife | — | Iowa |
| 42 | Paul F Pohlen | 15 | Son | — | Iowa |
| 43 | Audrey M Pohlen | 13 | Daughter | — | Iowa |
| 44 | Jerome J Pohlen | 11 | Son | — | Iowa |
| 45 | Suzanne M Pohlen | 10 | Daughter | — | Iowa |
| 46 | Micheal J Pohlen | 3 | Son | — | Iowa |
| 47 | Joseph E Pohlen | 1 | Son | — | Iowa |
| 48 | Darwin L Davis | 63 | Head | — | Iowa |
| 49 | Chas W Pelley | 58 | Head | — | Iowa |
| 50 | Catherine J Pelley | 56 | Wife | — | Wisconsin |
| 51 | Lee E Pelley | 18 | Son | — | Iowa |
| 52 | Norma H Pelley | 17 | Daughter | — | Iowa |
| 53 | Archie P Mangold | 52 | Head | — | Iowa |
| 54 | Wilfred Mangold | 25 | Son | Salesman | Iowa |
| 55 | Arland Mangold | 24 | Son | Salesman | Iowa |
| 56 | Bertha O Anderson | 70 | Head | — | Norway |
| 57 | End Of Block | None | — | — | — |
| 58 | John B Hughes | 49 | Head | Masseur | Iowa |
| 59 | Harriett Hughes | 49 | Wife | — | Illinois |
| 60 | Gus A Walquist | 52 | Head | Building Contractor | Sweden |
| 61 | Emma O Walquist | 51 | Wife | — | Iowa |
| 62 | Alberta Walquist | 18 | Daughter | — | Iowa |
| 63 | Donald D Walquist | 14 | Son | — | Iowa |
| 64 | Mary B Thomas | 61 | Wife | — | Wisconsin |
| 65 | E Esther Glover | 20 | Roomer | Elem. Teacher | Iowa |
| 66 | M Madeline Green | 27 | Roomer | Prin. | Iowa |
| 67 | Hattie A Lehnus | 38 | Roomer | Kindergarten Teacher | Illinois |
| 68 | Victor B Sherk | 41 | Head | Trucker | Iowa |
| 69 | Violet A Sherk | 39 | Wife | Post Mistress | Iowa |
| 70 | Carolyn E Sherk | 1 | Daughter | — | Iowa |
| 71 | Leonard R Ness | 34 | Head | Bus Driver & Maintenance | Iowa |
| 72 | Grace E Ness | 23 | Sister | — | Minn |
| 73 | Hiram R Hanson | 35 | Head | Salesman | Iowa |
| 74 | Agnes L Hanson | 33 | Wife | — | Iowa |
| 75 | Robert H Hanson | 11 | Son | — | Iowa |
| 76 | James A Hanson THIS PERSON | 10 | Son | — | Iowa |
| 77 | Rachel A Hanson | 8 | Daughter | — | Iowa |
| 78 | Carol J Hanson | 6 | Daughter | — | Iowa |
| 79 | John A Hanson | 5 | Son | — | Iowa |
| 80 | Harold D Hanson | 3 | Son | — | 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)