MN
Mabel Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winneshiek-County, Iowa
Our Model Tree links this Mabel Nelson across the 1920, 1930 and 1940 US Censuses in Winneshiek-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 4-person household.
Age 47
b. ~1893
Female
Spouse
Born: Iowa
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winneshiek-County, Iowa |
| Surname | Nelson |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Decorah town |
| 1935 Residence (County) | Winneshiek |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Decorah Town |
| Est. Birth Year | ~1893 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Edward Brunsvold | Other | — | 70 | ~1870 |
| Odell Nelson | Son | — | 21 | ~1919 |
| Mabel Nelson | Spouse | — | 47 | ~1893 |
| Norman Nelson | Head | — | 49 | ~1891 |
Census Appearances
1920
Winneshiek, Iowa
Spouse, age 27
Winneshiek, Iowa · implied b. ~1893 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Norway |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Winneshiek, Iowa
Other, age 37
Winneshiek, Iowa · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Mabel |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 20 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Winneshiek-County, Iowa
Spouse, age 47
Winneshiek-County, Iowa · implied b. ~1893 — 4 household members
| Surname | Nelson |
| Given Name | Mabel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Decorah town |
| 1935 Residence (County) | Winneshiek |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Mabel Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mabel Nelson
Spouse · 1940 · age 47 · b. ~1893 · 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 — Winneshiek-County, Iowa
Open full size
1940 US Federal Census — Winneshiek-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01213-00561)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Peter Murtagh | 48 | Head | Foreman | Iowa |
| 42 | Helen Murtagh | 41 | Wife | — | Iowa |
| 43 | Grace Murtagh | 21 | Daughter | Grade Teacher | Iowa |
| 44 | George Hoopman | 22 | Lodger | Produce | Iowa |
| 45 | Lillian Q. Hoopman | 22 | Wife | — | Iowa |
| 46 | Christian Swensen | 79 | Head | — | Norway |
| 47 | Amelia O. Swensen | 75 | Wife | — | Norway |
| 48 | John Nelson | 84 | Head | Farmer | Norway |
| 49 | Ida Nelson | 50 | Daughter | — | Iowa |
| 50 | Endre A. Grimas | 77 | Head | — | Norway |
| 51 | Olina Grimas | 65 | Wife | — | Iowa |
| 52 | Helga Haatvedt | 22 | Head | Nurse | Iowa |
| 53 | Ragna Swam | 78 | Head | — | Norway |
| 54 | Clarence Rovang | 45 | Head | Vulcanizing | Iowa |
| 55 | Hilda Rovang | 43 | Wife | — | Norway |
| 56 | Walter Bachman | 50 | Head | Salesman | Iowa |
| 57 | Clarissa Bachman | 49 | Wife | — | Iowa |
| 58 | Walter Bachman | 21 | Son | — | Iowa |
| 59 | Marvin Bachman | 19 | Son | — | Iowa |
| 60 | Milford Woldum | 38 | Head | — | Iowa |
| 61 | Vida Woldum | 34 | Wife | — | Iowa |
| 62 | Bernice Woldum | 16 | Daughter | — | Iowa |
| 63 | Alonna Woldum | 14 | Daughter | — | Iowa |
| 64 | Norman C. Nelson | 49 | Head | Engine Watchman | Iowa |
| 65 | Mabel Nelson THIS PERSON | 47 | Wife | — | Iowa |
| 66 | Odell G. Nelson | 21 | Son | Ticket Salesman | Iowa |
| 67 | Edward Brunsvold | 70 | Lodger | Round House Helper | Iowa |
| 68 | Karin B. Moen | 78 | Head | — | Iowa |
| 69 | Palma Moen | 34 | Daughter | Nurse | Iowa |
| 70 | Helen Bucknell | 22 | Lodger | Saleslady | Iowa |
| 71 | Donald Hutchins | 24 | Head | Salesman | Iowa |
| 72 | Jean Hutchins | 23 | Wife | — | Iowa |
| 73 | John Hutchins | 3 | Son | — | Iowa |
| 74 | Sandra Hutchins | 1 | Daughter | — | Iowa |
| 75 | Lottie Engbretson | 70 | Head | — | Iowa |
| 76 | Ole Dotseth | 77 | Head | Baker | Norway |
| 77 | August Dotseth | 39 | Son | Baker | Iowa |
| 78 | Julia Dotseth | 37 | Law | — | Iowa |
| 79 | George Vangen | 51 | Head | Manager | Iowa |
| 80 | Mabel Vangen | 41 | Wife | — | Minnesota |
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)