RH
Robert Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Robert Hansen across the 1930 and 1940 US Censuses in Woodbury-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 | Woodbury-County, Iowa |
| Surname | Hansen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Liberty Twp |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Highest Grade | G 3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Liberty Twp |
| 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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Jerry Hansen | Son | — | 2 | ~1938 |
| Wm Hansen | Son | — | 4 | ~1936 |
| Robert Hansen | Son | — | 10 | ~1930 |
| Richard Hansen | Son | — | 6 | ~1934 |
| Virginia Hansen | Daughter | — | 12 | ~1928 |
| Nellie Hansen | Spouse | — | 30 | ~1910 |
| Donald Hansen | Son | — | 8 | ~1932 |
| Wallace Hansen | Head | — | 39 | ~1901 |
Census Appearances
1930
Woodbury, Iowa
Son, age 1
Woodbury, Iowa · implied b. ~1929 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Son, age 10
Woodbury-County, Iowa · implied b. ~1930 — 8 household members
| Surname | Hansen |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Liberty Twp |
| 1935 Residence (County) | Woodbury |
| Highest Grade | G 3 |
| 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 Robert Hansen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hansen
Son · 1940 · age 10 · b. ~1930 · Iowa
★ You are viewing this record
Sibling
Virginia Hansen
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Hansen
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wm Hansen
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Hansen
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Hansen
Sibling · 1940 · age 6
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01214-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Annie Jackson | 57 | Wife | Housewife | Iowa |
| 2 | Hans Christensen | 81 | Head | Retired | Denmark |
| 3 | Otto Christensen | 57 | Son | Farmer | Iowa |
| 4 | Maurice Christensen | 53 | Son | Farmer | Iowa |
| 5 | Hazel Christensen | 54 | Daughter | Housewife | Indiana |
| 6 | Hannah Christensen | 50 | Daughter | House Helper | Iowa |
| 7 | Harding D Hansen | 40 | Head | Farmer | Iowa |
| 8 | Ingrid J Hansen | 33 | Wife | Housewife | Iowa |
| 9 | Peter B Jensen | 57 | Head | Farmer | Denmark |
| 10 | Ida Jensen | 52 | Wife | Housewife | Iowa |
| 11 | Mildred Jensen | 16 | Daughter | — | Nebraska |
| 12 | Edna Jensen | 12 | Daughter | — | Iowa |
| 13 | Mark J Coover | 49 | Head | Truck Driver | Iowa |
| 14 | Florence Coover | 46 | Wife | Housewife | Iowa |
| 15 | Robert Coover | 21 | Son | — | Iowa |
| 16 | Jay Coover | 17 | Son | — | Iowa |
| 17 | Johnny Coover | 9 | Son | — | Iowa |
| 18 | Mamie W Brown | 45 | Head | Farmer Wife | Iowa |
| 19 | Margret A Brown | 16 | Daughter | — | Iowa |
| 20 | Marjery N Brown | 16 | Daughter | — | Iowa |
| 21 | Douglas W Wright | 79 | Father | Retired | Australia |
| 22 | Janet Wright | 36 | Sister | — | Iowa |
| 23 | Wm D Hickman | 42 | Hiredman | Laborer | Iowa |
| 24 | Wm Toney | 39 | Head | Farmer | Iowa |
| 25 | Amelia C Toney | 37 | Wife | Housewife | Iowa |
| 26 | Robert A Owens | 49 | Head | Farmer | South Dakota |
| 27 | Evelyn M Owens | 47 | Wife | Housewife | Illinois |
| 28 | Wallace Hansen | 39 | Head | Watchman | Iowa |
| 29 | Nellie Hansen | 30 | Wife | — | Iowa |
| 30 | Virginia Hansen | 12 | Daughter | — | Iowa |
| 31 | Robert Hansen THIS PERSON | 10 | Son | — | Iowa |
| 32 | Donald Hansen | 8 | Son | — | Nebraska |
| 33 | Richard Hansen | 6 | Son | — | Nebraska |
| 34 | Wm Hansen | 4 | Son | — | Iowa |
| 35 | Jerry Hansen | 2 | Son | — | Iowa |
| 36 | Elmer H Lokey | 35 | Head | Farmer | Missouri |
| 37 | Lucille Lokey | 26 | Wife | Housewife | South Dakota |
| 38 | Elvin Lokey | 7 | Son | — | Iowa |
| 39 | Elaine Lokey | 4 | Daughter | — | Iowa |
| 40 | Norman Lokey | 2 | 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)