LN
Lois Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Lois Nelson across the 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 6-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Winnebago Twp |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Winnebago Twp |
| Est. Birth Year | ~1925 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lois | Age | Birth yr |
|---|---|---|---|---|
| Barbara Nelson | Daughter | — | 10 | ~1930 |
| Lois Nelson | Daughter | — | 15 | ~1925 |
| William Nelson | Head | — | 42 | ~1898 |
| Esther Nelson | Spouse | — | 43 | ~1897 |
| William Nelson | Son | — | 16 | ~1924 |
| Wilma Nelson | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Winnebago, Illinois
Daughter, age 4
Winnebago, Illinois · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 15
Winnebago-County, Illinois · implied b. ~1925 — 6 household members
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Winnebago Twp |
| 1935 Residence (County) | Winnebago |
| Class of Worker | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lois Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lois Nelson
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Wilma Nelson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Nelson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Nelson
Sibling · 1940 · age 16
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 — 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-t0627-00915-00927)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Alice Bowman | 49 | Wife | — | Iowa |
| 2 | Vernon Bowman | 22 | Son | Truck Driver | Illinois |
| 3 | Ellen Bowman | 19 | Daughter | Clerk | Illinois |
| 4 | Alice Bauman | 71 | Head | — | Illinois |
| 5 | William Barnes | 67 | Brother | — | Illinois |
| 6 | Stewart Scott | 35 | Head | Superintendent | Illinois |
| 7 | Emily C. Scott | 34 | Wife | — | North Dakota |
| 8 | Karen Jean Scott | 0 | Daughter | — | Illinois |
| 9 | George Joyce | 48 | Hired help | Helper | Canada |
| 10 | Elizabeth Jefferson | 17 | Hired help | — | Kentucky |
| 11 | Walter Turner | 50 | Head | Farmer | Illinois |
| 12 | Grace Turner | 45 | Wife | — | Illinois |
| 13 | Eric Nyquist | 45 | Hired hand | Hired Hand | Sweden |
| 14 | George Witten | 50 | Head | Farmer | Illinois |
| 15 | Mattie Witten | 40 | Wife | — | Illinois |
| 16 | George Jr. Witten | 15 | Son | — | Illinois |
| 17 | Louis Last | 68 | Head | Farmer | Wisconsin |
| 18 | Caroline Last | 66 | Wife | — | Wisconsin |
| 19 | Orville Last | 39 | Son | Farmer | Illinois |
| 20 | Pauline Raver | 14 | Daughter | — | Illinois |
| 21 | Richard Benedict | 46 | Head | Farmer | Illinois |
| 22 | Blanche Benedict | 45 | Wife | — | Illinois |
| 23 | John Mitchell | 27 | Head | Farmer | Illinois |
| 24 | Bernice Mitchell | 24 | Wife | — | Illinois |
| 25 | Douglas Mitchell | 5 | Son | — | Illinois |
| 26 | James Mitchell | 3 | Son | — | Illinois |
| 27 | Janet Gessner | 73 | In law | — | Illinois |
| 28 | Ray Lee | 35 | Hired hand | Hired Hand | Illinois |
| 29 | Ernest Swanson | 42 | Head | Farmer | Illinois |
| 30 | Edna Swanson | 28 | Sister | — | Illinois |
| 31 | Louis Bryan | 80 | Father | — | Sweden |
| 32 | Andrew Johnson | 42 | Head | Farmer | Sweden |
| 33 | Elsie Johnson | 42 | Wife | — | Illinois |
| 34 | Delmar Cook | 20 | Hired hand | Hired Hand | Illinois |
| 35 | William Nelson | 42 | Head | Farmer | Illinois |
| 36 | Esther May Nelson | 43 | Wife | — | Illinois |
| 37 | Wilma Nelson | 21 | Daughter | — | Illinois |
| 38 | William Jr. Nelson | 16 | Son | Farm Laborer | Illinois |
| 39 | Lois Nelson THIS PERSON | 15 | Daughter | — | Illinois |
| 40 | Barbara Jean Nelson | 10 | Daughter | — | Illinois |
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)