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Ruth Lewis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Ruth Lewis across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Lewis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Irene Lewis | Daughter | — | 16 | ~1924 |
| Richard Lewis | Daughter | — | 8 | ~1932 |
| Ruth Lewis | Daughter | — | 15 | ~1925 |
| Roberta Lewis | Daughter | — | 12 | ~1928 |
| Ellen Lewis | Daughter | — | 19 | ~1921 |
| Jane Lewis | Daughter | — | 10 | ~1930 |
| John Lewis | Head | — | 44 | ~1896 |
| John Lewis | Son | — | 19 | ~1921 |
| Gertrude Lewis | Spouse | — | 40 | ~1900 |
Census Appearances
1930
Cook, Illinois
Other, age 6
Cook, Illinois · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Ruth E. |
| Relationship to Head | Niece |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 15
Cook-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Lewis |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 1 |
| 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 Ruth Lewis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Lewis
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Ellen Lewis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Lewis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roberta Lewis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Lewis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Lewis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lewis
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-00934-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Mcdonough | 56 | Head | Switchman | Wisconsin |
| 2 | Esther Mcdonough | 57 | Wife | — | Illinois |
| 3 | John Jr Mcdonough | 12 | Son | — | Illinois |
| 4 | Russell Tenney | 40 | Head | Retail Salesman | Missouri |
| 5 | Irene Tenney | 41 | Wife | — | Illinois |
| 6 | Phyllis Tenney | 12 | Daughter | — | Iowa |
| 7 | Head Herren-Maxton | None | M | Education | — |
| 8 | Ruth Herren-Maxton | 24 | Wife | — | Iowa |
| 9 | John Scheibel | 53 | Head | Insurance Inspector | Illinois |
| 10 | Harriet Scheibel | 43 | Wife | — | Illinois |
| 11 | June Scheibel | 17 | Daughter | — | Illinois |
| 12 | Mary E Scheibel | 15 | Daughter | — | Illinois |
| 13 | Patricia Scheibel | 12 | Daughter | — | Illinois |
| 14 | Emily Gotch | 64 | Head | Retail Sales Lady | Illinois |
| 15 | Laura De Lauer | 53 | Head | Grade Teacher | Illinois |
| 16 | Clara De Lancy | 82 | Mother | — | Illinois |
| 17 | Einar Gohanson | 35 | Head | Drill Press | Sweden |
| 18 | Agda Gohanson | 38 | Wife | Seamstress | Sweden |
| 19 | Charles O'Connell | 67 | Head | Bar Tender | Indiana |
| 20 | Agnes O'Connell | 75 | Wife | — | Indiana |
| 21 | Josephine Trook | 45 | Head | Plant Manager | Illinois |
| 22 | Edwin Dreyer | 22 | Head | Truck Driver | Illinois |
| 23 | Elsie Dreyer | 20 | Wife | Retail Sales Lady | Illinois |
| 24 | Gust Petropoulos | 23 | Lodger | Truck Driver | Illinois |
| 25 | Fannie Petropoulos | 21 | Lodger | — | Illinois |
| 26 | John R Lewis | 44 | Head | Manager | Nebraska |
| 27 | Gertrude Lewis | 40 | Wife | — | Illinois |
| 28 | Ellen Lewis | 19 | Daughter | — | Illinois |
| 29 | John F Lewis | 19 | Son | — | Illinois |
| 30 | Irene Lewis | 16 | Daughter | — | Illinois |
| 31 | Ruth Lewis THIS PERSON | 15 | Daughter | — | Illinois |
| 32 | Roberta Lewis | 12 | Daughter | — | Illinois |
| 33 | Jane Lewis | 10 | Daughter | — | Illinois |
| 34 | Richard Lewis | 8 | Daughter | — | Illinois |
| 35 | Leon Mayo | 43 | Head | Painter | New York |
| 36 | Mayo | 48 | Wife | Retail Sales Lady | Illinois |
| 37 | Ceri Potter | 50 | Head | Assorter | England |
| 38 | Edward F Simon | 50 | Head | Designer | Massachusetts |
| 39 | Sylvia Simon | 45 | Wife | — | Illinois |
| 40 | Betty Mae Simon | 15 | Daughter | — | 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)