LN
Lois Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lois Nelson across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | General Helper |
| Industry | Wholesale Wire Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 360 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | General Helper |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Annie Nelson | Spouse | — | 49 | ~1891 |
| Robert Nelson | Son | — | 15 | ~1925 |
| Frank Nelson | Son | — | 16 | ~1924 |
| Lois Nelson | Daughter | — | 21 | ~1919 |
| Douglas Nelson | Son | — | 11 | ~1929 |
| Frank Nelson | Head | — | 53 | ~1887 |
Census Appearances
1930
Cook, Illinois
Daughter, age 10
Cook, Illinois · implied b. ~1920 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Cook-County, Illinois
Daughter, age 21
Cook-County, Illinois · implied b. ~1919 — 6 household members
| Surname | Nelson |
| Given Name | Lois |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | General Helper |
| Industry | Wholesale Wire Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 360 |
| Highest Grade | Hs 2 |
| 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 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 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Frank Nelson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Douglas Nelson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Nelson
Sibling · 1940 · age 15
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00999-00574)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | August Pauling | 65 | Head | — | Germany |
| 42 | Marie Pauling | 66 | Wife | — | Germany |
| 43 | Norman Anderson | 68 | Head | — | Canada English |
| 44 | Elizabeth Anderson | 65 | Wife | — | Iowa |
| 45 | Joseph Baruch | 32 | Head | Service Man | Washington D.C. |
| 46 | Mildred Baruch | 34 | Wife | — | Michigan |
| 47 | Charles Baruch | 2 | Son | — | Illinois |
| 48 | Frank Nelson | 53 | Head | Sprayer | Norway |
| 49 | Annie Nelson | 49 | Wife | — | Norway |
| 50 | Lois Nelson THIS PERSON | 21 | Daughter | General Helper | Minnesota |
| 51 | Frank Jr Nelson | 16 | Son | — | Minnesota |
| 52 | Robert Nelson | 15 | Son | — | Minnesota |
| 53 | Douglas Nelson | 11 | Son | — | Illinois |
| 54 | Paul Graffen | 28 | Head | Shipping Clerk | Illinois |
| 55 | Eileen Graffen | 25 | Wife | Assembler | Minnesota |
| 56 | Glenn Nelson | 28 | Head | Sprayer | Minnesota |
| 57 | Ally Nelson | 26 | Wife | — | Illinois |
| 58 | Frank Stebinski | 54 | Head | Truck Driver | Illinois |
| 59 | Josephine Stebinski | 43 | Wife | — | Illinois |
| 60 | Andrew Brensbach | 36 | Head | Milkman | Holland |
| 61 | Evelyn Brensbach | 33 | Wife | — | Illinois |
| 62 | Evelyn Brensbach | 12 | Daughter | — | Illinois |
| 63 | Marilyn Brensbach | 8 | Daughter | — | Illinois |
| 64 | Sandra Brensbach | 5 | Daughter | — | Illinois |
| 65 | Nickolas Lish | 64 | Lodger | Nursing | Holland |
| 66 | Louis Lindner | 68 | Head | Truck Driver | Germany |
| 67 | Mary Lindner | 64 | Wife | — | Germany |
| 68 | Mildred Mcmillen | 29 | Daughter | Handwork | Illinois |
| 69 | Deloris Mcmillen | 6 | Granddaughter | — | Illinois |
| 70 | Arthur Mcmillen | 30 | Son-in-law | Truck Driver | Illinois |
| 71 | Fred Seidl | 31 | Head | Truck Delivery | Illinois |
| 72 | Margaret Seidl | 28 | Wife | — | Illinois |
| 73 | Fred Jr Seidl | 11 | Son | — | Illinois |
| 74 | Casper Shoenrock | 66 | Head | Brick Maker | Russia |
| 75 | Sophie Shoenrock | 60 | Wife | — | Russia |
| 76 | Casper Jr Shoenrock | 32 | Son | Cement Laborer | Russia |
| 77 | Peter Shoenrock | 28 | Son | Cement Laborer | Illinois |
| 78 | Alex Shoenrock | 26 | Son | Wood Worker | Illinois |
| 79 | Kathryn Shoenrock | 24 | Daughter | Wood Cutter | Illinois |
| 80 | Clark Carpenter | 48 | Head | — | 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)