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Arthur Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Arthur Nelson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Peter — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Iron Mountain |
| 1935 Residence (County) | Dickinson |
| Additional Details | |
| Occupation | Mechanical Engr |
| Industry | Motor Car Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Mechanical Engr |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1898 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Arthur Nelson | Head | — | 42 | ~1898 |
| Anthony Nelson | Son | — | 13 | ~1927 |
| Arthur Nelson | Son | — | 15 | ~1925 |
| Alice Nelson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Cook, Illinois
Son, age 20
Cook, Illinois · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Driver |
| Industry | Express |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 23 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Denmark |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 80 |
| Radio Set | R |
| Veteran | No |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Cook-County, Illinois
Head, age 42
Cook-County, Illinois · implied b. ~1898 — 4 household members
| Surname | Nelson |
| Given Name | Arthur |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Iron Mountain |
| 1935 Residence (County) | Dickinson |
| Occupation | Mechanical Engr |
| Industry | Motor Car Co |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 156 |
| Highest Grade | Hs 4 |
| 1935 Residence | Michigan |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Arthur Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Nelson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Nelson
b. ~1868
Source father
● Household
· direct · ~0.92
This person
Anchor record
Arthur Nelson
Head · 1940 · age 42 · b. ~1898 · 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-t0627-00952-00697)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Phillip Schultz | 75 | Head | Painter | Germany |
| 42 | Emilie Schultz | 67 | Wife | — | Germany |
| 43 | Sam Alpert | 47 | Head | Merchant | Russia |
| 44 | Ida Alpert | 40 | Wife | — | Illinois |
| 45 | Elaine Alpert | 16 | Daughter | — | Illinois |
| 46 | Anita Alpert | 14 | Daughter | — | Illinois |
| 47 | Arthur Kelley | 40 | Head | Lieutenant | Illinois |
| 48 | Marie Kelley | 35 | Wife | — | Illinois |
| 49 | Laverne Kelley | 14 | Daughter | — | Illinois |
| 50 | Robert Kelley | 9 | Son | — | Illinois |
| 51 | Vernon Kelley | 6 | Son | — | Illinois |
| 52 | Lewis J. Osborn | 53 | Head | Attendant | West Virginia |
| 53 | Paul S. Leggfoos | 50 | Brother | Carpenter | West Virginia |
| 54 | Harry E. Leggfoos | 46 | Brother | Painter | West Virginia |
| 55 | Frank Leggfoos | 41 | Brother | — | Illinois |
| 56 | Gladys Jackson | 18 | Niece | Waitress | Illinois |
| 57 | Arthur Jackson | 8 | Nephew | — | South Carolina |
| 58 | Clara Huggins | 58 | Cousin | — | Illinois |
| 59 | Ray Jensen | 44 | Head | Salesman | Michigan |
| 60 | Louise Jensen | 44 | Wife | — | Missouri |
| 61 | Ray Jr. Jensen | 7 | Son | — | Tennessee |
| 62 | Susan Jensen | 2 | Daughter | — | Georgia |
| 63 | George Levy | 56 | Head | — | Indiana |
| 64 | Sophie Levy | 53 | Wife | — | Minnesota |
| 65 | Meryl Levy | 23 | Daughter | Mail Office Clerk | Illinois |
| 66 | Gottlob Zimmerman | 67 | Head | Bricklayer | Germany |
| 67 | Fred Zimmerman | 33 | Son | Bricklayer | Illinois |
| 68 | Minnie Zimmerman | 25 | Daughter | — | Illinois |
| 69 | William Mischner | 44 | Head | Yardmaster Helper | Illinois |
| 70 | Lillian Mischner | 40 | Wife | — | Illinois |
| 71 | Elaine Mischner | 16 | Daughter | — | Illinois |
| 72 | Marilyn Mischner | 12 | Daughter | — | Illinois |
| 73 | Arthur Nelson THIS PERSON | 42 | Head | Mechanical Engr | Wisconsin |
| 74 | Alice Nelson | 38 | Wife | — | Wisconsin |
| 75 | Arthur Jr. Nelson | 15 | Son | — | Wisconsin |
| 76 | Anthony Nelson | 13 | Son | — | Wisconsin |
| 77 | Jesse Johnson | 55 | Head | — | Illinois |
| 78 | Lillian Johnson | 47 | Wife | Canvasser | Illinois |
| 79 | George Johnson | 25 | Son | Chemist | Illinois |
| 80 | Frances Neel | 60 | Lodger | — | England |
Pedigree Summary
Arthur
Gen 1 · 1 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)