MH
Margaret Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Iowa
Our Model Tree links this Margaret Hansen across the 1930 and 1940 US Censuses in Hamilton-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.
Age 12
b. ~1928
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Iowa |
| Surname | Hansen |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Rose Grove Township |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same House |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Rose Grove Township |
| Est. Birth Year | ~1928 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Hansen | Daughter | — | 12 | ~1928 |
| Kenneth Hansen | Son | — | 6 | ~1934 |
| Holger Hansen | Head | — | 48 | ~1892 |
| Florence Hansen | Spouse | — | 37 | ~1903 |
| June Hansen | Daughter | — | 4 | ~1936 |
| Ruth Hansen | Daughter | — | 3 | ~1937 |
| Herbert Hansen | Son | — | 10 | ~1930 |
| Wilbur Hansen | Son | — | 9 | ~1931 |
| Clara Hansen | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Hamilton, Iowa
Daughter, age 2
Hamilton, Iowa · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hanson |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Hamilton-County, Iowa
Daughter, age 12
Hamilton-County, Iowa · implied b. ~1928 — 9 household members
| Surname | Hansen |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Rose Grove Township |
| 1935 Residence (County) | Hamilton |
| Highest Grade | 6 |
| 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 Margaret Hansen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Hansen
Daughter · 1940 · age 12 · b. ~1928 · Iowa
★ You are viewing this record
Sibling
Ruth Hansen
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Hansen
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Hansen
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Hansen
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Hansen
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Hansen
Sibling · 1940 · age 4
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 — Hamilton-County, Iowa
Open full size
1940 US Federal Census — Hamilton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01164-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Evelyn Knudson | 22 | Wife | — | Iowa |
| 2 | Lloyd Knudson | 1 | Son | — | Iowa |
| 3 | Oral Vendelund | 30 | Head | Farmer | Iowa |
| 4 | Lois Vendelund | 26 | Wife | — | Iowa |
| 5 | Darlene Vendelund | 12 | Daughter | — | Iowa |
| 6 | Holger Hansen | 48 | Head | Farmer | Iowa |
| 7 | Florence Hansen | 37 | Wife | — | Iowa |
| 8 | Margaret Hansen THIS PERSON | 12 | Daughter | — | Iowa |
| 9 | Herbert Hansen | 10 | Son | — | Iowa |
| 10 | Wilbur Hansen | 9 | Son | — | Iowa |
| 11 | Kenneth Hansen | 6 | Son | — | Iowa |
| 12 | June Hansen | 4 | Daughter | — | Iowa |
| 13 | Ruth Hansen | 3 | Daughter | — | Iowa |
| 14 | Clara Hansen | 1 | Daughter | — | Iowa |
| 15 | Berend Arends | 65 | Head | Farmer | Iowa |
| 16 | Alvena Arends | 56 | Wife | — | Illinois |
| 17 | Robert Seney | 10 | Grandson | — | Iowa |
| 18 | Klaus Jans | 28 | Laborer | Farm Laborer | Germany |
| 19 | Thomas Everman | 48 | Head | Farmer | Illinois |
| 20 | Edna Everman | 38 | Wife | — | Iowa |
| 21 | Ruth Everman | 14 | Daughter | Student | Iowa |
| 22 | Dale Everman | 12 | Son | — | Iowa |
| 23 | Lila Everman | 6 | Daughter | — | Iowa |
| 24 | Allen Everman | 4 | Son | — | Iowa |
| 25 | Helen Everman | 2 | Daughter | — | Iowa |
| 26 | Benhart Behrens | 64 | Head | Farmer | Illinois |
| 27 | Johanna Behrens | 56 | Wife | — | Sweden |
| 28 | Harold Behrens | 30 | Son | Farmer | Iowa |
| 29 | Neta Behrens | 26 | Daughter | Housework | Iowa |
| 30 | Arlo Behrens | 22 | Son | Farmer | Iowa |
| 31 | Nel Quelland | 47 | Head | Farmer | Iowa |
| 32 | Grace Quelland | 47 | Wife | — | Iowa |
| 33 | Obed Quelland | 17 | Son | Student | Iowa |
| 34 | Ross Robinson | 25 | Son-in-law | Farm Laborer | Iowa |
| 35 | Margaret Robinson | 23 | Daughter | — | Iowa |
| 36 | Janet Robinson | 2 | Daughter | — | Iowa |
| 37 | Jerry Hatterman | 53 | Head | Farmer | Germany |
| 38 | Bernadine Hatterman | 51 | Wife | — | Germany |
| 39 | Joe Hatterman | 20 | Son | Farmer | Germany |
| 40 | Jean Hatterman | 8 | 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)