EC
Ethel Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ethel Campbell across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Campbell |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ethel | Age | Birth yr |
|---|---|---|---|---|
| Ethel Campbell | Spouse | — | 40 | ~1900 |
| James Campbell | Son | — | 6 | ~1934 |
| Dorothy Campbell | Daughter | — | 12 | ~1928 |
| Barbara Campbell | Daughter | — | 8 | ~1932 |
| Robert Campbell | Son | — | 4 | ~1936 |
| Francis Campbell | Head | — | 42 | ~1898 |
| Donald Campbell | Son | — | 10 | ~1930 |
| Margaret Campbell | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Cook, Illinois
Other, age 30
Cook, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Ethel |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 40
Cook-County, Illinois · implied b. ~1900 — 8 household members
| Surname | Campbell |
| Given Name | Ethel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Ethel Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ethel Campbell
Spouse · 1940 · age 40 · b. ~1900 · 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-t0627-00990-00826)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Spohnholtz | 27 | Head | Welder | Illinois |
| 2 | Helen Spohnholtz | 24 | Wife | Check-Ensor | Illinois |
| 3 | Stanley Wozny | 46 | Head | Core Maker | Poland |
| 4 | Antoinette Wozny | 44 | Wife | Janitress | Poland |
| 5 | Stephanie Wozny | 20 | Daughter | Typist | Illinois |
| 6 | Michael Wozny | 17 | Son | — | Illinois |
| 7 | Stella Wozny | 15 | Daughter | — | Illinois |
| 8 | Walter Breesman | 33 | Head | Truck Driver | Illinois |
| 9 | Marie Breesman | 32 | Wife | — | Wisconsin |
| 10 | Marie Breesman | 12 | Daughter | — | Illinois |
| 11 | Charles Breesman | 9 | Son | — | Illinois |
| 12 | Charles Breesman | 60 | Father | Laborer | Germany |
| 13 | Violet Christensen | 28 | Sister-in-law | Waitress | Wisconsin |
| 14 | Peter Lino | 41 | Head | Laborer | Italy |
| 15 | Josephine Lino | 39 | Wife | — | Illinois |
| 16 | John Lino | 21 | Son | Assembler | Illinois |
| 17 | Marion Lino | 19 | Daughter | Salesgirl | Illinois |
| 18 | Ignatius Zimny | 53 | Head | Tanner | Poland |
| 19 | Josephine Zimny | 49 | Wife | — | Illinois |
| 20 | George Zimny | 25 | Son | Assembler | Illinois |
| 21 | Herbert Lopatka | 28 | Head | Inspector | Illinois |
| 22 | Adeline Lopatka | 26 | Wife | — | Illinois |
| 23 | Herbert, Jr. Lopatka | 3 | Son | — | Illinois |
| 24 | Gregory Lopatka | 1 | Son | — | Illinois |
| 25 | Ben Keller | 50 | Head | Laborer | Illinois |
| 26 | Elsie Keller | 50 | Wife | — | Illinois |
| 27 | Helen Keller | 19 | Daughter | New Worker | Illinois |
| 28 | Francis Campbell | 42 | Head | Statistician | Illinois |
| 29 | Ethel Campbell THIS PERSON | 40 | Wife | — | Illinois |
| 30 | Margaret Campbell | 13 | Daughter | — | Illinois |
| 31 | Dorothy Campbell | 12 | Daughter | — | Illinois |
| 32 | Donald Campbell | 10 | Son | — | Illinois |
| 33 | Barbara Campbell | 8 | Daughter | — | Illinois |
| 34 | James Campbell | 6 | Son | — | Illinois |
| 35 | Robert Campbell | 4 | Son | — | Illinois |
| 36 | Michael Burke | 68 | Head | Clerical Clerk | Ireland |
| 37 | Margaret Burke | 67 | Wife | — | Ireland |
| 38 | Celia Burke | 72 | Sister-in-law | — | Ireland |
| 39 | Bert Goldmann | 62 | Head | Stock Clerk | Germany |
| 40 | Myrtle Goldmann | 34 | Wife | — | Wisconsin |
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)