MH
Margaret Hansen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Black-Hawk-County, Iowa
Our Model Tree links this Margaret Hansen across the 1930 and 1940 US Censuses in Black-Hawk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1907), then head of a 9-person household.
Age 33
b. ~1907
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Black-Hawk-County, Iowa |
| Surname | Hansen |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Waterloo City |
| Est. Birth Year | ~1907 |
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 | — | 7 | ~1933 |
| Margaret Hansen | Spouse | — | 33 | ~1907 |
| Frederick Hansen | Son | — | 13 | ~1927 |
| Agnes Hansen | Daughter | — | 4 | ~1936 |
| Alberta Hansen | Daughter | — | 2 | ~1938 |
| Ruth Hansen | Daughter | — | 16 | ~1924 |
| Donald Hansen | Son | — | 9 | ~1931 |
| Herbert Hansen | Son | — | 11 | ~1929 |
| Fred Hansen | Head | — | 59 | ~1881 |
Census Appearances
1930
Black Hawk, …
Other, age 25
Black Hawk, Iowa · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hansen |
| Given Name | Margaret |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Black-Hawk-County, Iowa
Spouse, age 33
Black-Hawk-County, Iowa · implied b. ~1907 — 9 household members
| Surname | Hansen |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Waterloo City |
| 1935 Residence (County) | Black Hawk |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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
Spouse · 1940 · age 33 · b. ~1907 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Black-Hawk-County, Iowa
Open full size
1940 US Federal Census — Black-Hawk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01140-01204)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jerry Albrecht | 65 | Head | — | Iowa |
| 42 | Verna Albrecht | 45 | Wife | — | Iowa |
| 43 | Carol Albrecht | 5 | Son | — | Iowa |
| 44 | Harry Albrecht | 4 | Son | — | Iowa |
| 45 | Henry G. Hanson | 40 | Lodger | Service Man | Colorado |
| 46 | Fred Hansen | 59 | Head | Clean Up Worker | Denmark |
| 47 | Margaret Hansen THIS PERSON | 33 | Wife | — | Minnesota |
| 48 | Ruth Hansen | 16 | Daughter | — | Washington |
| 49 | Frederick Hansen | 13 | Son | — | Iowa |
| 50 | Herbert Hansen | 11 | Son | — | Iowa |
| 51 | Donald Hansen | 9 | Son | — | Iowa |
| 52 | Margaret Hansen | 7 | Daughter | — | Iowa |
| 53 | Agnes Hansen | 4 | Daughter | — | Iowa |
| 54 | Alberta Hansen | 2 | Daughter | — | Iowa |
| 55 | Kate Whitney | 74 | Head | — | New York |
| 56 | Irvy Kennison | 44 | Head | Laborer | Iowa |
| 57 | Frank Bryant | 74 | Lodger | — | Iowa |
| 58 | End Of Block | None | — | — | — |
| 59 | Herbert Schmidt | 30 | Head | Chef | South Dakota |
| 60 | Herta Schmidt | 29 | Wife | — | South Dakota |
| 61 | Orville Donner | 22 | Brother-in-law | Kitchen Helper | South Dakota |
| 62 | Alvina Donner | 20 | Sister-in-law | Stenographer | South Dakota |
| 63 | Theodore Hertzberg | 45 | Head | Helper | Minnesota |
| 64 | Veronica Hertzberg | 47 | Wife | — | Minnesota |
| 65 | Marie Hertzberg | 17 | Daughter | Maid | North Dakota |
| 66 | Glen Hertzberg | 10 | Son | — | Iowa |
| 67 | John Frank | 74 | Head | — | Luxemburg |
| 68 | Mary Frank | 77 | Wife | — | Minnesota |
| 69 | John Gardner | 25 | Head | Sausage Worker | Iowa |
| 70 | Helen Gardner | 22 | Wife | Canning Dept. Worker | Iowa |
| 71 | Louis Bodenstein | 30 | Head | Salesman | Iowa |
| 72 | Virginia Bodenstein | 25 | Wife | — | Iowa |
| 73 | Raymond Johnson | 27 | Head | Welding | Minnesota |
| 74 | Harriet Johnson | 24 | Wife | — | Iowa |
| 75 | Beverly Johnson | 5 | Daughter | — | Iowa |
| 76 | Geraldine Johnson | 3 | Daughter | — | Iowa |
| 77 | Donalynne Johnson | 1 | Daughter | — | Iowa |
| 78 | Fred Helbach | 34 | Head | Laborer | Iowa |
| 79 | Viola Helbach | 36 | Wife | — | Iowa |
| 80 | James Helbach | 11 | 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)