NJ
Nellie Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Nellie Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Female
Spouse
Born: Sweden
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Johnson |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | Chicago |
| Est. Birth Year | ~1884 |
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 Nellie | Age | Birth yr |
|---|---|---|---|---|
| Frances Johnson | Daughter | — | 32 | ~1908 |
| Emil Johnson | Head | — | 58 | ~1882 |
| Roy Johnson | Son | — | 28 | ~1912 |
| Nellie Johnson | Spouse | — | 56 | ~1884 |
Census Appearances
1910
Cook, Illinois
Other, age 25
Cook, Illinois · implied b. ~1885 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Nettie |
| Relationship to Head | Servant |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Sweden |
| Children Living | 1887 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Servant |
| Industry | Private family |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Cook, Illinois
Spouse, age 35
Cook, Illinois · implied b. ~1885 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1903 |
| 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 |
| Year of Naturalization | 1908 |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Spouse, age 45
Cook, Illinois · implied b. ~1885 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Alien |
| Year of Immigration | 1901 |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Cook-County, Illinois
Spouse, age 56
Cook-County, Illinois · implied b. ~1884 — 4 household members
| Surname | Johnson |
| Given Name | Nellie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| 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 Nellie Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Nellie Johnson
Spouse · 1940 · age 56 · b. ~1884 · Illinois
★ You are viewing this record
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-t0627-01004-00672)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ray Krueger | 26 | Head | Rate Clerk | Illinois |
| 2 | Wanda Krueger | 22 | Wife | Saleslady | Illinois |
| 3 | Edward Swiatkowski | 35 | Head | Upholsterer | Illinois |
| 4 | Irene Swiatkowski | 31 | Wife | — | Illinois |
| 5 | Eleanor Swiatkowski | 8 | Daughter | — | Illinois |
| 6 | Nancy Swiatkowski | 5 | Daughter | — | Illinois |
| 7 | Julius Knapp | 36 | Head | Bricklayer | Germany |
| 8 | Paula Knapp | 37 | Wife | — | Germany |
| 9 | Lorraine Knapp | 13 | Daughter | — | Illinois |
| 10 | Herbert Knapp | 6 | Son | — | Illinois |
| 11 | Emil Johnson | 58 | Head | Stone Cutter | Sweden |
| 12 | Nellie Johnson THIS PERSON | 56 | Wife | — | Sweden |
| 13 | Frances Johnson | 32 | Daughter | Stenographer | Illinois |
| 14 | Roy Johnson | 28 | Son | — | Illinois |
| 15 | Jacob Conrad | 68 | Head | Shoe Maker | Austria |
| 16 | Kate Conrad | 50 | Wife | — | Austria |
| 17 | Walter Conrad | 26 | Son | Iron Worker | Illinois |
| 18 | Joseph Pasky | 44 | Head | Baker | Austria |
| 19 | Theresa Pasky | 38 | Wife | — | Austria |
| 20 | Otto A. Kaiser | 34 | Head | Steel Engraver | Germany |
| 21 | Helen Kaiser | 34 | Wife | — | Germany |
| 22 | Frances A. Kaiser | 2 | Daughter | — | Illinois |
| 23 | Nick Rheiner | 58 | Head | Roofer | Luxemburg |
| 24 | Mary Rheiner | 54 | Wife | — | Luxemburg |
| 25 | Marcella Rheiner | 18 | Daughter | Food Packer | Illinois |
| 26 | Renee Rheiner | 15 | Daughter | — | Illinois |
| 27 | Lorraine Rheiner | 11 | Daughter | — | Illinois |
| 28 | Alvina Jansen | 48 | Head | Laundress | Illinois |
| 29 | Mildred Jansen | 20 | Daughter | Saleslady | Illinois |
| 30 | Richard Jansen | 13 | Son | — | Illinois |
| 31 | Albert O. Duckworth | 61 | Head | — | Kansas |
| 32 | Annabelle Duckworth | 56 | Wife | — | Kentucky |
| 33 | Charles J. Parker | 48 | Head | Chef | Missouri |
| 34 | Hazel M. Parker | 46 | Wife | Attendant Nurse | Ireland |
| 35 | Rose Creely | 35 | Head | — | Illinois |
| 36 | Rose Mary Creely | 14 | Daughter | — | Illinois |
| 37 | Helen Creely | 11 | Daughter | — | Illinois |
| 38 | Patricia Creely | 9 | Daughter | — | Illinois |
| 39 | Mary Ann Creely | 7 | Daughter | — | Illinois |
| 40 | Lucille Creely | 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)