EJ
Ellen Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ellen Jones across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1862), then head of a 3-person household.
Age 78
b. ~1862
Female
Spouse
Born: Wales
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1862 |
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 |
|---|---|---|---|---|
| John Jones | Head | — | 80 | ~1860 |
| Robert Jones | Son | — | 40 | ~1900 |
| Ellen Jones | Spouse | — | 78 | ~1862 |
Census Appearances
1920
None, None
Spouse, age 60
None, None · implied b. ~1860 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Wales |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Wales |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | wales |
1930
Cook, Illinois
Other, age 69
Cook, Illinois · implied b. ~1861 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ellen |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Wales |
| Naturalization Status | Naturalized |
| Year of Immigration | 1885 |
| Age at First Marriage | 23 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read/Write | Yes |
| Mother Tongue | Welsh |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
1940
Cook-County, Illinois
Spouse, age 78
Cook-County, Illinois · implied b. ~1862 — 3 household members
| Surname | Jones |
| Given Name | Ellen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 78 |
| Marital Status | Married |
| Birthplace | Wales |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth Country | Wales |
| Birthplace (normalized) | wales |
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 Jones across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ellen Jones
Spouse · 1940 · age 78 · b. ~1862 · 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-t0627-00935-00049)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eva H Carr | 60 | Head | Lodging House | California |
| 2 | Carl Hardwick | 25 | Lodger | File Clerk | Illinois |
| 3 | Fay Hardwick | 25 | Lodger | — | Illinois |
| 4 | James Hardwick | 4 | Lodger | — | Illinois |
| 5 | Eloise Luton | 25 | Lodger | Stenographer | Alabama |
| 6 | Elizabeth Mccullough | 27 | Lodger | Waitress | Indiana |
| 7 | Louise Killeen | 28 | Lodger | Cook | Indiana |
| 8 | Carl Saddock | 26 | Lodger | Waiter | Arkansas |
| 9 | Robert Mcbride | 19 | Lodger | Waiter | Arkansas |
| 10 | Jerome Wilson | 24 | Lodger | Waiter | Iowa |
| 11 | Ray Thompson | 22 | Head | Assembly | Iowa |
| 12 | Dorothy Thompson | 21 | Wife | — | Iowa |
| 13 | Carol Thompson | 1 | Daughter | — | Illinois |
| 14 | Jacob Young | 68 | Head | Barber | Germany |
| 15 | Lillian Young | 51 | Wife | — | Michigan |
| 16 | Dorothy Ott | 25 | Lodger | Typist | Ohio |
| 17 | James G Jr Ward | 37 | Head | Foreman | Tennessee |
| 18 | Edwina Ward | 29 | Wife | — | Louisiana |
| 19 | Phyllis Ward | 4 | Daughter | — | Louisiana |
| 20 | James 3Rd Ward | 1 | Son | — | Illinois |
| 21 | Joseph Danca | 47 | Head | Proprietor | Italy |
| 22 | Sue Danca | 42 | Wife | — | Italy |
| 23 | Angela Danca | 16 | Daughter | Student | Illinois |
| 24 | Leonard Danca | 7 | Son | — | Illinois |
| 25 | William Slate | 66 | Head | Window Washer | New York |
| 26 | Margaret Slate | 53 | Wife | — | Illinois |
| 27 | John H Jones | 80 | Head | Butcher | Wales |
| 28 | Ellen Jones THIS PERSON | 78 | Wife | — | Wales |
| 29 | Robert Jones | 40 | Son | Organist | Illinois |
| 30 | Alexander S Houston | 31 | Head | Salesman | Illinois |
| 31 | Betty Lou Houston | 28 | Wife | — | Mississippi |
| 32 | Ward Houston | 5 | Son | — | Illinois |
| 33 | William J Davies | 55 | Head | Credit Man | Wales |
| 34 | Gladys M Davies | 50 | Wife | — | Wales |
| 35 | Humbert Davia | 62 | Head | Marble Man | Italy |
| 36 | Faustina Davia | 42 | Wife | — | West Virginia |
| 37 | Emil Anger | 53 | Head | Maintenance | Colorado |
| 38 | Sadie Anger | 48 | Wife | — | Illinois |
| 39 | Christopher C Smith | 44 | Head | Freight Painter | Michigan |
| 40 | Eva Smith | 34 | Wife | — | Michigan |
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)