ED
Evelyn Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Evelyn Davis across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Davis |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloom Township |
| 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 | Bloom Township |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Emerson Davis | Son | — | 11 | ~1929 |
| Marilyn Davis | Daughter | — | 8 | ~1932 |
| Robert Davis | Son | — | 6 | ~1934 |
| Shirley Davis | Daughter | — | 10 | ~1930 |
| Eugene Davis | Son | — | 14 | ~1926 |
| Evelyn Davis | Daughter | — | 15 | ~1925 |
| Marie Davis | Spouse | — | 35 | ~1905 |
| Emerson Davis | Head | — | 37 | ~1903 |
Census Appearances
1930
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Italy |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 15
Cook-County, Illinois · implied b. ~1925 — 8 household members
| Surname | Davis |
| Given Name | Evelyn |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Bloom Township |
| 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 Evelyn Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Evelyn Davis
Daughter · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Robert Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emerson Davis
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Davis
Sibling · 1940 · age 14
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-t0627-00774-00392)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Drakauskas | 13 | daughter | — | Illinois |
| 2 | Philip Drakauskas | 12 | son | — | Illinois |
| 3 | Elizabeth Drakauskas | 9 | daughter | — | Illinois |
| 4 | John Jelerniaskas | 38 | head | Machinist | Poland |
| 5 | Anna Jelerniaskas | 34 | wife | — | West Virginia |
| 6 | John Jelerniaskas | 14 | son | — | Illinois |
| 7 | Betty Jane Jelerniaskas | 12 | daughter | — | Illinois |
| 8 | Phyllis Jelerniaskas | 7 | daughter | — | Illinois |
| 9 | Emerson Davis | 37 | head | Truck Driver | Illinois |
| 10 | Marie Davis | 35 | wife | — | Illinois |
| 11 | Evelyn Davis THIS PERSON | 15 | daughter | — | Illinois |
| 12 | Eugene Davis | 14 | son | — | Illinois |
| 13 | Emerson Jr. Davis | 11 | son | — | Illinois |
| 14 | Shirley Davis | 10 | daughter | — | Illinois |
| 15 | Marilyn Davis | 8 | daughter | — | Illinois |
| 16 | Robert Davis | 6 | son | — | Illinois |
| 17 | Fred Sager | 40 | head | Joiner | Illinois |
| 18 | Ida Sager | 37 | wife | — | Illinois |
| 19 | Albert Sager | 19 | son | — | Illinois |
| 20 | Loretta Sager | 17 | daughter | — | Illinois |
| 21 | Daniel Killian | 42 | head | Repairman | Indiana |
| 22 | Mary Killian | 43 | wife | — | Illinois |
| 23 | Donald Killian | 14 | son | — | Illinois |
| 24 | Russell Killian | 13 | son | — | Illinois |
| 25 | Gene Killian | 9 | son | — | Illinois |
| 26 | Ervin Topall | 36 | brother | Laborer | Illinois |
| 27 | Tony Faso | 35 | head | Bartender | Illinois |
| 28 | Virgil Faso | 35 | wife | — | Illinois |
| 29 | Jack Faso | 15 | son | — | Illinois |
| 30 | Tonya Faso | 12 | daughter | — | Illinois |
| 31 | Joan Faso | 7 | daughter | — | Illinois |
| 32 | Genevieve Greenlee | 55 | sister-in-law | — | Michigan |
| 33 | William Giblin | 58 | head | Maintenance | Illinois |
| 34 | Eva Giblin | 57 | wife | — | Illinois |
| 35 | Louis Giblin | 20 | son | Clerk | Illinois |
| 36 | Bernard Giblin | 14 | son | — | Illinois |
| 37 | Lola Giblin | 79 | mother | — | Illinois |
| 38 | Bertie Irwin | 50 | head | Assistant Manager | Illinois |
| 39 | Cleo Irwin | 42 | wife | — | Missouri |
| 40 | Arlene Irwin | 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)