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Lillian Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Lillian Nelson across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Nelson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1891 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Lillian Nelson | Spouse | — | 49 | ~1891 |
| Marilyn Nelson | Daughter | — | 18 | ~1922 |
| Harry Nelson | Head | — | 48 | ~1892 |
Census Appearances
1920
Winnebago, Illinois
Spouse, age 28
Winnebago, Illinois · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Other, age 38
Winnebago, Illinois · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lillian S. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Spouse, age 49
Winnebago-County, Illinois · implied b. ~1891 — 3 household members
| Surname | Nelson |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Highest Grade | 8 |
| 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 Lillian 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
Lillian Nelson
Spouse · 1940 · age 49 · b. ~1891 · 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
39 people indexed on this census page (nara:1940:m-t0627-00915-00051)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | August Larson | 66 | Head | Proprietor And Owner | Sweden |
| 2 | Hulda Larson | 64 | Wife | — | Indiana |
| 3 | Florence Larson | 37 | Daughter | Stenographer | Illinois |
| 4 | Harold Larson | 35 | Son | Salesman | Illinois |
| 6 | Alfred Melgren | 69 | Head | — | Sweden |
| 7 | Huldah Melgren | 66 | Wife | — | Illinois |
| 8 | Myrtle Melgren | 39 | Daughter | Bookkeeper | Illinois |
| 9 | Amanda Johnson | 71 | Head | — | Illinois |
| 10 | Haf Viola Johnson | 45 | Lodger | — | Illinois |
| 11 | Herbert Milligan | 47 | Head | Cost Clerk | Wisconsin |
| 12 | Mary Milligan | 77 | Mother | — | Wisconsin |
| 13 | Sanford Anderson | 66 | Head | Janitor | Sweden |
| 14 | Anna Anderson | 61 | Wife | — | Sweden |
| 15 | A. Reuben Anderson | 23 | Son | — | Illinois |
| 16 | Ruby Nordeen | 20 | Lodger | Inspector | Illinois |
| 17 | Harry W. Nelson | 48 | Head | Sign Writer | Illinois |
| 18 | Lillian Nelson THIS PERSON | 49 | Wife | — | Illinois |
| 19 | Marilyn Nelson | 18 | Daughter | — | Illinois |
| 20 | Park H. Thompson | 39 | Head | Salesman | New York |
| 21 | Lucille P. Thompson | 25 | Wife | Dressmaker | Illinois |
| 22 | Charles Holmquist | 25 | Son | Salesman | Illinois |
| 23 | John W. Metcalfe | 36 | Head | Supervising Agent | Kansas |
| 24 | Louise Metcalfe | 34 | Wife | — | Kansas |
| 25 | Joanne Metcalfe | 5 | Daughter | — | Illinois |
| 26 | John Metcalfe | 2 | Son | — | Illinois |
| 27 | Viola Koehn | 24 | Maid | Maid | Wisconsin |
| 28 | Wilbert Christianson | 36 | Head | Sales Manager | Wisconsin |
| 29 | Evelyn Christianson | 34 | Wife | — | Wisconsin |
| 30 | David Christianson | 11 | Son | — | Wisconsin |
| 31 | Paul Christianson | 10 | Son | — | Illinois |
| 32 | Merle Christianson | 7 | Son | — | Illinois |
| 33 | John Walant | 27 | Head | Machinist Small Tools | Illinois |
| 34 | Wanda Walant | 25 | Wife | — | Illinois |
| 35 | Joan Walant | 3 | Daughter | — | Illinois |
| 36 | Sylvester Vagent | 54 | Father-in-law | Tailor-Spotter | Lithuania |
| 37 | Dorothy Vagent | 46 | Mother-in-law | Tailor And Cleaner | Lithuania |
| 38 | Raymond Carlson | 38 | Head | Machinist Engineer | Illinois |
| 39 | Lily Carlson | 38 | Wife | — | Illinois |
| 40 | Anna Marie Carlson | 5 | 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)