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Arthur Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Arthur Thompson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Carl & Hulda — first a son (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thompson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Factory worker |
| Industry | Gauge Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Factory Worker |
| Township / Ward | Chicago |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Algot Thompson | Head | — | 49 | ~1891 |
| Arthur Thompson | Son | — | 21 | ~1919 |
| Ruth Thompson | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 3 household members
| Surname | Thompson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Factory worker |
| Industry | Gauge Mfg |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 800 |
| Highest Grade | H-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 Arthur Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Carl Thompson (~0.92 confidence) and mother Hulda Thompson (~0.92 confidence) and father Algot Thompson (~0.92 confidence) and mother Ruth Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Carl Thompson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Hulda Thompson
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Algot Thompson
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ruth Thompson
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Thompson
Son · 1940 · age 21 · b. ~1919 · 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
39 people indexed on this census page (nara:1940:m-t0627-01004-00793)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Margaret Zagorski | 30 | Wife | Asst Office | Illinois |
| 42 | August Skirpal | 62 | Head | Polisher | Hungary |
| 43 | Pauline Skirpal | 56 | Wife | — | Illinois |
| 44 | Lena Christensen | 75 | Lodger | — | Sweden |
| 45 | Algot Thompson | 49 | Head | Sheet Metal Wk | Sweden |
| 46 | Ruth Thompson | 47 | Wife | — | Sweden |
| 47 | Arthur Thompson THIS PERSON | 21 | Son | Factory Worker | Illinois |
| 48 | August Anderson | 67 | Head | Repairman | Sweden |
| 49 | Hana Anderson | 65 | Wife | — | Sweden |
| 50 | Howard Kiddelsen | 29 | Head | Clerical | Illinois |
| 51 | Bertha Kiddelsen | 27 | Wife | — | Illinois |
| 52 | Shirley Kiddelsen | 4 | Daughter | — | Illinois |
| 53 | Ronald Kiddelsen | 2 | Son | — | Illinois |
| 54 | Dorothy Thompson | 26 | Head | — | Illinois |
| 55 | Jens Larsen | 49 | Head | Old Bricklayer | Denmark |
| 56 | Amanda Larsen | 47 | Wife | — | Denmark |
| 57 | Lillie Sveistrup | 25 | Daughter | Clerk | Illinois |
| 58 | Knute Sveistrup | 30 | Son-in-law | Chauffeur | Denmark |
| 59 | Holger Nielsen | 32 | Lodger | Serviceman | Denmark |
| 60 | Elsie Renken | 46 | Head | — | Germany |
| 61 | William Renken | 26 | Son | Mechanic | Germany |
| 62 | Virginia Renken | 21 | Daughter | — | Illinois |
| 63 | Linda Renken | 4 | Granddaughter | — | Illinois |
| 64 | Fred Melcher | 62 | Head | Plumber | Connecticut |
| 65 | Freida Melcher | 60 | Wife | — | Germany |
| 66 | Harry Melcher | 30 | Son | Assembler | Illinois |
| 67 | Alice Melcher | 30 | Daughter-in-law | — | Iowa |
| 68 | Helen Melcher | 2 | Granddaughter | — | Illinois |
| 69 | Marie Noak | 52 | Head | — | Lithuania |
| 70 | Louis Noak | 32 | Son | Estimator | Illinois |
| 71 | Leonard Noak | 27 | Son | Sub Mail Man | Illinois |
| 72 | Gustave Euchler | 68 | Head | Watchman | Germany |
| 73 | Emma Euchler | 68 | Wife | — | Germany |
| 74 | Anton Peterson | 77 | Lodger | — | Denmark |
| 75 | George Pickel | 55 | Head | Serviceman | Missouri |
| 76 | Lenore Pickel | 51 | Wife | — | Illinois |
| 77 | Gustav Stech | 61 | Head | Book-Binder | Illinois |
| 78 | Gertrude Stech | 58 | Wife | — | Illinois |
| 79 | Harold Stech | 28 | Son | Draftsman | Illinois |
Pedigree Summary
Arthur
Gen 1 · 4 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)