KN
Kenneth Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Kenneth Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Arthur & Ruth — first a head (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Artist |
| Industry | Commercial Art Work |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Artist |
| Township / Ward | Chicago |
| Est. Birth Year | ~1912 |
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 Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Nelson | Head | — | 28 | ~1912 |
| Marjorie Nelson | Spouse | — | 26 | ~1914 |
| Esther Nelson | Other | — | 56 | ~1884 |
| Sandra Nelson | Daughter | — | 2 | ~1938 |
Census Appearances
1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Kenneth L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 18
Cook, Illinois · implied b. ~1912 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Office Boy |
| Industry | Mail Order |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 28
Cook-County, Illinois · implied b. ~1912 — 4 household members
| Surname | Nelson |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | CHICAGO |
| 1935 Residence (County) | COOK |
| Occupation | Artist |
| Industry | Commercial Art Work |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1000 |
| Highest Grade | Hs 4 |
| 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 Kenneth Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Arthur Nelson (~0.92 confidence) and mother Ruth Nelson (~0.92 confidence) and mother Ruth Nelson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Arthur Nelson
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Ruth Nelson
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Ruth Nelson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Nelson
Head · 1940 · age 28 · b. ~1912 · 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-t0627-00995-00101)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Muehlbauer | 24 | Wife | Typing | Illinois |
| 2 | Albert Brandner | 53 | Head | — | France |
| 3 | Martha Brandner | 44 | Wife | — | Germany |
| 4 | Milton Brandner | 23 | Son | Pressman | Illinois |
| 5 | Joseph Campbell | 28 | Head | Pressman | Illinois |
| 6 | June Campbell | 27 | Wife | — | Illinois |
| 7 | Joseph Campbell | 2 | Son | — | Illinois |
| 8 | John Bradley | 70 | Head | Motorman | Irish Free State |
| 9 | Ellen Bradley | 59 | Wife | — | Irish Free State |
| 10 | Helen Bradley | 35 | Daughter | School Teacher | Illinois |
| 11 | Margaret Bradley | 33 | Daughter | — | Illinois |
| 12 | Katherine Bradley | 28 | Daughter | — | Illinois |
| 13 | Mary Bradley | 25 | Daughter | School Teacher | Illinois |
| 14 | Reinhold Jaeschke | 56 | Head | Real Estate | Illinois |
| 15 | Evelyn Jaeschke | 54 | Sister | — | Illinois |
| 16 | John O'Brien | 40 | Head | Policeman | Illinois |
| 17 | Julia O'Brien | 40 | Wife | — | Illinois |
| 18 | Patricia O'Brien | 13 | Daughter | — | Illinois |
| 19 | John O'Brien | 10 | Son | — | Illinois |
| 20 | Arlene O'Brien | 5 | Daughter | — | Illinois |
| 21 | Joseph O'Brien | 4 | Son | — | Illinois |
| 22 | Elsie Kranzow | 44 | Head | Bookkeeping | Illinois |
| 23 | Lila Kranzow | 17 | Daughter | — | Illinois |
| 24 | Audrey Kranzow | 14 | Daughter | — | Illinois |
| 25 | Ronald Kranzow | 8 | Son | — | Illinois |
| 26 | Augusta Hennie | 68 | Mother | — | Illinois |
| 27 | Priscilla Sauter | 23 | Niece | Clerical Work | Illinois |
| 28 | Kenneth Nelson THIS PERSON | 28 | Head | Artist | Illinois |
| 29 | Marjorie Nelson | 26 | Wife | — | Illinois |
| 30 | Sandra Nelson | 2 | Daughter | — | Illinois |
| 31 | Esther Nelson | 56 | Mother | — | Illinois |
| 32 | Joseph O'Brien | 36 | Head | Superintendent Of Claims | Illinois |
| 33 | Katherine O'Brien | 30 | Sister | School Teacher | Illinois |
| 34 | Matthew O'Brien | 34 | Brother | Lawyer | Illinois |
| 35 | William Fitzgerald | 59 | Head | — | Eire |
| 36 | Minnie Fitzgerald | 60 | Wife | — | Illinois |
| 37 | Evan G. Venables | 34 | Head | Office Manager | Canada-English |
| 38 | Dorothy Venables | 31 | Wife | — | Illinois |
| 39 | Dorothy Venables | 9 | Daughter | — | Illinois |
| 40 | Lorraine Venables | 5 | Daughter | — | Illinois |
Pedigree Summary
Kenneth
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)