ST
Samuel Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Samuel Thompson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Walter & Maryann — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: England
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thompson |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Blue Island |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Fireman |
| Industry | Railroad Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 229 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Occupation | Fireman |
| Township / Ward | Blue Island |
| Est. Birth Year | ~1906 |
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 Samuel | Age | Birth yr |
|---|---|---|---|---|
| Mary Thompson | Daughter | — | 11 | ~1929 |
| Samuel Thompson | Head | — | 34 | ~1906 |
| Richard Thompson | Son | — | 12 | ~1928 |
| Alice Thompson | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Sam |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | England |
| Year of Immigration | 1916 |
| Naturalization Status | Alien |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
Head, age 23
Cook, Illinois · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Sam |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Foreman |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Cook-County, Illinois
Head, age 34
Cook-County, Illinois · implied b. ~1906 — 4 household members
| Surname | Thompson |
| Given Name | Samuel |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | England |
| 1935 Residence (City) | Blue Island |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Fireman |
| Industry | Railroad Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 229 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Samuel Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Thompson (~0.92 confidence) and mother Maryann Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Thompson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Maryann Thompson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Samuel Thompson
Head · 1940 · age 34 · b. ~1906 · 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-t0627-00774-00807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Utter | 57 | Wife | — | Illinois |
| 2 | Walter Newquist | 54 | Head | Salesman | Michigan |
| 3 | Alice Newquist | 50 | Wife | — | Iowa |
| 4 | Eugene Weiss | 33 | Head | Salesman | Illinois |
| 5 | Myrtle Weiss | 23 | Wife | — | South Dakota |
| 6 | William Sandman | 49 | Father-in-law | — | Minnesota |
| 7 | Thomas Keehan | 58 | Head | Foreman | Illinois |
| 8 | Louise Keehan | 54 | Wife | — | Illinois |
| 9 | Edwin Keehan | 31 | Son | Foreman | Illinois |
| 10 | J. Donald Keehan | 19 | Son | Laborer | Illinois |
| 11 | Fred J. Corl | 46 | Head | Brakeman | Iowa |
| 12 | Essie Corl | 41 | Wife | — | South Dakota |
| 13 | George Fleischmann | 47 | Head | Car Tender | Illinois |
| 14 | Clara Fleischmann | 46 | Wife | — | Illinois |
| 15 | George Fleischmann | 20 | Son | Laborer | Illinois |
| 16 | Virginia Fleischmann | 16 | Daughter | — | Illinois |
| 17 | Edward Vunderson | 47 | Head | Helper | Illinois |
| 18 | Anna Vunderson | 44 | Wife | — | Illinois |
| 19 | Elvera Vunderson | 21 | Daughter | Salesclerk | Illinois |
| 20 | Erasmus Madlung | 37 | Head | Tank Salesman | Illinois |
| 21 | Esther Madlung | 30 | Wife | — | Illinois |
| 22 | Diane Madlung | 7 | Daughter | — | Illinois |
| 23 | Robert Dubois | 49 | Head | Bus Driver | Illinois |
| 24 | Bonita Dubois | 42 | Wife | — | Illinois |
| 25 | Dorothy Dubois | 19 | Daughter | — | Illinois |
| 26 | Jack Dubois | 17 | Son | — | Illinois |
| 27 | Mary Jane Dubois | 11 | Daughter | — | Illinois |
| 28 | Robert Dubois | 5 | Son | — | Illinois |
| 29 | Arthur Van Gilder | 58 | Head | Mechanical Engineer | Illinois |
| 30 | Gertrude Van Gilder | 55 | Wife | — | Illinois |
| 31 | Grace Van Gilder | 26 | Daughter | — | Illinois |
| 32 | Kathryn Van Gilder | 25 | Daughter | Comptometer Op. | Illinois |
| 33 | James Van Gilder | 5 | Son | — | Illinois |
| 34 | Arthur Van Gilder | 3 | Son | — | Illinois |
| 35 | Samuel Thompson THIS PERSON | 34 | Head | Fireman | England |
| 36 | Alice Thompson | 35 | Wife | — | Illinois |
| 37 | Richard Thompson | 12 | Son | — | Illinois |
| 38 | Mary Lou Thompson | 11 | Daughter | — | Illinois |
| 39 | Henry Carlson | 44 | Head | Dental Mechanic | Illinois |
Related Census Records
Pedigree Summary
Samuel
Gen 1 · 2 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)