LD
Lillie Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lillie Davis across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1892), then head of a 7-person household.
Age 48
b. ~1892
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Davis |
| Given Name | Lillie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1892 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lillie | Age | Birth yr |
|---|---|---|---|---|
| Frances Davis | Daughter | — | 7 | ~1933 |
| Clarice Davis | Daughter | — | 11 | ~1929 |
| Dorothy Davis | Daughter | — | 21 | ~1919 |
| Bernice Davis | Daughter | — | 13 | ~1927 |
| Claude Davis | Head | — | 49 | ~1891 |
| James Davis | Son | — | 15 | ~1925 |
| Lillie Davis | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1892 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lillie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Germany |
| Mother's Birthplace | German |
| Occupation | Yes |
| Can Read | German |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Germany |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Spouse, age 38
Cook, Illinois · implied b. ~1892 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Lillie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 19 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Housewife |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 48
Cook-County, Illinois · implied b. ~1892 — 7 household members
| Surname | Davis |
| Given Name | Lillie |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Class of Worker | H |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Lillie Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lillie Davis
Spouse · 1940 · age 48 · b. ~1892 · 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-t0627-00978-00615)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Delores Emit | 6 | Daughter | — | Illinois |
| 42 | Daniel Giovannoni | 67 | Head | — | Italy |
| 43 | Emma Giovannoni | 56 | Wife | — | Italy |
| 44 | Irene Giovannoni | 25 | Daughter | Bindery Girl | Illinois |
| 45 | Victor Scuderi | 62 | Head | Barber | Italy |
| 46 | Mary Scuderi | 65 | Wife | — | Italy |
| 47 | Jennie Naselli | 70 | Sister-in-law | — | Italy |
| 48 | Phillip Koto | 42 | Head | Laborer | Italy |
| 49 | Mary Koto | 38 | Wife | — | Illinois |
| 50 | Harold Koto | 18 | Son | Delivery Boy | Illinois |
| 51 | Edward Koto | 15 | Son | — | Illinois |
| 52 | Mildred Koto | 13 | Daughter | — | Illinois |
| 53 | Richard Koto | 11 | Son | — | Illinois |
| 54 | Marie Koto | 9 | Daughter | — | Illinois |
| 55 | Delores Koto | 7 | Daughter | — | Illinois |
| 56 | Bernadette Koto | 5 | Daughter | — | Illinois |
| 57 | Claude Davis | 49 | Head | — | Ohio |
| 58 | Lillie Davis THIS PERSON | 48 | Wife | — | Illinois |
| 59 | Dorothy Davis | 21 | Daughter | Coiler | Illinois |
| 60 | James Davis | 15 | Son | — | Illinois |
| 61 | Bernice Davis | 13 | Daughter | — | Illinois |
| 62 | Clarice Davis | 11 | Daughter | — | Illinois |
| 63 | Frances Davis | 7 | Daughter | — | Illinois |
| 64 | Enrico Andreoni | 52 | Head | Laborer | Italy |
| 65 | Adele Andreoni | 46 | Wife | — | Italy |
| 66 | Rose Andreoni | 26 | Daughter | Dressmaker | Italy |
| 67 | Armando Andreoni | 14 | Son | — | Italy |
| 68 | Sam Beretta | 54 | Lodger | Shoemaker | Italy |
| 69 | Joseph Cassadei | 56 | Lodger | Salesman | Italy |
| 70 | Morris Bregman | 53 | Head | Painter | Russia |
| 71 | Mary Bregman | 53 | Wife | — | Russia |
| 72 | Hyman Bregman | 16 | Son | — | Illinois |
| 73 | Louis Rosenberg | 27 | Head | Salesman | Illinois |
| 74 | Selle Rosenberg | 24 | Wife | — | Illinois |
| 75 | Marsha Rosenberg | 1 | Daughter | — | Illinois |
| 76 | Jimenez Leopold | 49 | Head | Foreman | Phillipines |
| 77 | Gladys Leopold | 42 | Wife | — | Wisconsin |
| 78 | Peter Hansen | 27 | Head | Miner | Denmark |
| 79 | Dorothy Hansen | 30 | Wife | — | Pennsylvania |
| 80 | William Hansen | 9 | Son | — | Pennsylvania |
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)