ET
Ellen Thompson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ellen Thompson across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1888), then head of a 3-person household.
Age 52
b. ~1888
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Housekeeping |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 420 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Occupation | Housekeeping |
| Township / Ward | Chicago |
| Est. Birth Year | ~1888 |
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 Ellen | Age | Birth yr |
|---|---|---|---|---|
| Donald Thompson | Son | — | 19 | ~1921 |
| Ellen Thompson | Head | — | 52 | ~1888 |
| Ruth Thompson | Daughter | — | 31 | ~1909 |
Census Appearances
1920
Cook, Illinois
Spouse, age 32
Cook, Illinois · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ellen M |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Sweden |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Class of Worker | 1905 |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Cook, Illinois
Other, age 42
Cook, Illinois · implied b. ~1888 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Naturalized |
| Year of Immigration | 1888 |
| Age at First Marriage | 19 |
| 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
Head, age 52
Cook-County, Illinois · implied b. ~1888 — 3 household members
| Surname | Thompson |
| Given Name | Ellen |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Housekeeping |
| Industry | Private family |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 420 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Ellen Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Thompson
Head · 1940 · age 52 · b. ~1888 · Illinois
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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-t0627-00953-00213)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herbert Julkowski | 30 | Head | Billing Clerk | Germany |
| 2 | Leona Julkowski | 26 | Wife | — | Pennsylvania |
| 3 | Aloysius Mrozek | 25 | Head | Baker | Indiana |
| 4 | Helen Mrozek | 23 | Wife | — | Illinois |
| 5 | Daniel Mrozek | 3 | Son | — | Illinois |
| 6 | Joanne Mrozek | 1 | Daughter | — | Illinois |
| 7 | James Mcnamara | 39 | Head | Police Guard | Ireland |
| 8 | Catherine Mcnamara | 36 | Wife | — | Ireland |
| 9 | Teresa Mcnamara | 7 | Daughter | — | Illinois |
| 10 | John J. Mcnamara | 5 | Son | — | Illinois |
| 11 | Gerald J. Mcnamara | 3 | Son | — | Illinois |
| 12 | Michael S. Burningham | 52 | Head | Welder'S Helper | Ireland |
| 13 | Monica Burningham | 50 | Wife | — | England |
| 14 | Mary Collins | 20 | Boarder | Waitress | Illinois |
| 15 | Ellen Thompson THIS PERSON | 52 | Head | Housekeeping | Sweden |
| 16 | Ruth Thompson | 31 | Daughter | Clerical Work | Wisconsin |
| 17 | Donald Thompson | 19 | Son | — | Illinois |
| 18 | Anthony Mcgovern | 34 | Head | Grocery Store | Ireland |
| 19 | Bernice Mcgovern | 27 | Wife | — | Indiana |
| 20 | James Mcgovern | 4 | Son | — | Illinois |
| 21 | Ronald Mcgovern | 2 | Son | — | Illinois |
| 22 | Vacant Extra Line | None | — | — | — |
| 23 | Henry Kloos | 53 | Head | Assist Engineer | Pennsylvania |
| 24 | Emma Kloos | 48 | Wife | Saleslady | Illinois |
| 25 | Irene Hartell | 25 | Niece | — | Illinois |
| 26 | Robert Hartell | 26 | Nephew | Salesman | Illinois |
| 27 | Halton Hanson | 79 | Lodger | Carpenter | Norway |
| 28 | Lloyd Sostreidul | 42 | Head | Truck Driver | Michigan |
| 29 | Esther Sostreidul | 42 | Wife | — | Michigan |
| 30 | Madeline Sostreidul | 14 | Daughter | — | Illinois |
| 31 | Henry Brandenburg | 42 | Head | Woodworker | Illinois |
| 32 | Vera Brandenburg | 41 | Wife | — | Illinois |
| 33 | George Hehn | 33 | Head | Bartender | Germany |
| 34 | Helen Hehn | 25 | Wife | Feeder | Illinois |
| 35 | Extra Line | None | — | — | — |
| 36 | James A. Denman | 27 | Head | Fireman | Illinois |
| 37 | Margaret Denman | 24 | Wife | — | Pennsylvania |
| 38 | James Denman | 1 | Son | — | Illinois |
| 39 | Robert Kerr | 46 | Head | Engineer | Illinois |
| 40 | Bertha Kerr | 44 | Wife | — | 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)