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Alma Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Alma Nelson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 3-person household.
Age 66
b. ~1874
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Nelson |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1874 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Alma | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Nelson | Daughter | — | 37 | ~1903 |
| Alma Nelson | Spouse | — | 66 | ~1874 |
| Emil Nelson | Head | — | 66 | ~1874 |
Census Appearances
1920
Winnebago, Illinois
Spouse, age 45
Winnebago, Illinois · implied b. ~1875 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1886 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Winnebago, Illinois
Other, age 56
Winnebago, Illinois · implied b. ~1874 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Alma |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1886 |
| Age at First Marriage | 25 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Winnebago-County, Illinois
Spouse, age 66
Winnebago-County, Illinois · implied b. ~1874 — 3 household members
| Surname | Nelson |
| Given Name | Alma |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Alma 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
Alma Nelson
Spouse · 1940 · age 66 · b. ~1874 · Illinois
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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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00913-00671)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Nimmo | 2 | Son | — | Illinois |
| 2 | Charles Linder | 69 | Head | — | Sweden |
| 3 | Peter J. Evander | 72 | Head | Cabinet Maker | Sweden |
| 4 | Agda O. Evander | 57 | Wife | — | Sweden |
| 5 | Arthur Evander | 40 | Son | Proprietor | Illinois |
| 6 | Mary Ann Evander | 15 | Child | — | Illinois |
| 7 | Evert Ebbeson | 75 | Head | — | Sweden |
| 8 | Dorothy Carter | 41 | Daughter | Machine Operator | Illinois |
| 9 | Martha Carter | 18 | Child | — | Illinois |
| 10 | Emil F. Nelson | 66 | Head | Maintenance Man | Denmark |
| 11 | Alma Nelson THIS PERSON | 66 | Wife | — | Sweden |
| 12 | Dorothy Nelson | 37 | Daughter | Bookkeeper | Illinois |
| 13 | — | None | — | — | — |
| 14 | E. Albin Anderson | 54 | Head | Proprietor | Sweden |
| 15 | Mabel E. Anderson | 53 | Wife | — | Sweden |
| 16 | Helen H. Anderson | 19 | Daughter | Bookkeeper | Illinois |
| 17 | John B. Anderson | 18 | Son | — | Illinois |
| 18 | William A. Anderson | 14 | Son | — | Illinois |
| 19 | Ernest P. Donaldson | 51 | Head | Loader | Nebraska |
| 20 | Mabel Donaldson | 50 | Wife | — | Wisconsin |
| 21 | Wallace Burgson | 28 | Lodger | General Shop Work | Nebraska |
| 22 | Leonard Nyberg | 23 | Lodger | Laborer | Nebraska |
| 23 | — | None | — | — | — |
| 24 | Alfred Ahlstrand | 73 | Head | — | Sweden |
| 25 | Eva C. Ahlstrand | 70 | Wife | — | Sweden |
| 26 | Alf Ahlstrand | 37 | Son | Police Magistrate | Illinois |
| 27 | Elmo Bailey | 30 | Head | Machinist | Wisconsin |
| 28 | Agnes D. Bailey | 26 | Wife | — | Illinois |
| 29 | Christina Bjorkgren | 80 | Head | — | Sweden |
| 30 | Robert Olson | 56 | Son | Finisher | Sweden |
| 31 | Gertrude Carlson | 62 | Partner | Maid | Sweden |
| 32 | Amanda Skillman | 62 | Partner | Housekeeper | Sweden |
| 33 | Emma O. Johnson | 72 | Head | — | Sweden |
| 34 | Edna Johnson | 40 | Daughter | Bookkeeper | Illinois |
| 35 | Harriet L. Johnson | 40 | Daughter | Salesman | Illinois |
| 36 | Clinton Strand | 29 | Head | Salesman | Illinois |
| 37 | Fern P. Strand | 23 | Wife | — | Iowa |
| 38 | Donald Strand | 3 | Son | — | Illinois |
| 39 | Myrna Strand | 1 | Daughter | — | Illinois |
| 40 | Oscar Soderstrom | 68 | Head | Sticker Hand | Sweden |
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)