LS
Lucile Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Lucile Smith across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Maud & William — first a daughter (b.~1908), then head of a 3-person household.
Age 32
b. ~1908
Female
Daughter
Born: Illinois
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Smith |
| Given Name | Lucile |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Filler |
| Industry | Milk Products |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 750 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Filler |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 Lucile | Age | Birth yr |
|---|---|---|---|---|
| Lucile Smith | Daughter | — | 32 | ~1908 |
| Elizabeth Koenig | Head | — | 32 | ~1908 |
| Nicholas Koenig | Son | — | 3 | ~1937 |
Census Appearances
1920
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Daughter, age 22
Cook, Illinois · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Milliner |
| Industry | Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 32
Cook-County, Illinois · implied b. ~1908 — 3 household members
| Surname | Smith |
| Given Name | Lucile |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Widowed |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Occupation | Filler |
| Industry | Milk Products |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 750 |
| Highest Grade | H-4 |
| 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 Lucile Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Maud Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Caroline Smith (~0.92 confidence) and mother Elizabeth Koenig (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Mother
Maud Smith
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
William Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Caroline Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Koenig
b. ~1908
Source mother
● Household
· direct · ~0.5
This person
Anchor record
Lucile Smith
Daughter · 1940 · age 32 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
Nicholas Koenig
Sibling · 1940 · age 3
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
39 people indexed on this census page (nara:1940:m-t0627-00960-00080)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emma Hemmach | 27 | Wife | — | Illinois |
| 2 | Barbara Hemmach | 3 | Daughter | — | Illinois |
| 3 | William Goellick | 47 | Head | Inspector | Illinois |
| 4 | Marie Goellick | 46 | Wife | — | Illinois |
| 5 | William J. Goellick | 16 | Son | — | Illinois |
| 6 | Ralph Goellick | 14 | Son | — | Illinois |
| 7 | Raymond Goellick | 9 | Son | — | Illinois |
| 8 | Harold Goellick | 7 | Son | — | Illinois |
| 9 | Elizabeth Koenig | 32 | Head | — | Illinois |
| 10 | Nicholas Koenig | 3 | Son | Attendant | Illinois |
| 11 | Lucile Smith THIS PERSON | 32 | Daughter | Filler | Illinois |
| 12 | Howard Biliditch | 37 | Head | Teach | Illinois |
| 13 | Edith Biliditch | 31 | Wife | — | Missouri |
| 14 | Walter Biliditch | 8 | Son | — | Illinois |
| 15 | Albert L. Biliditch | 5 | Son | — | Illinois |
| 16 | Theodore Marquard | 72 | Head | Laborer | Germany |
| 17 | Charlotte Marquard | 71 | Wife | — | Illinois |
| 18 | Patrick Dundon | 65 | Head | Attendant | New York |
| 19 | Mary Wolf | 32 | Daughter | — | Illinois |
| 20 | John J. Wolf | 32 | Son-in-law | Attendant | Illinois |
| 21 | Mary R. Wolf | 12 | Granddaughter | — | Illinois |
| 22 | John J. Wolf | 11 | Grandson | — | Illinois |
| 23 | Marjorie Wolf | 10 | Granddaughter | — | Illinois |
| 24 | Charles E. Hyman | 53 | Head | Salesman | Canada |
| 25 | Elsie Hyman | 57 | Wife | — | Illinois |
| 26 | Frederick Mueller | 39 | Head | Clerk | Illinois |
| 27 | Iona B. Mueller | 34 | Wife | — | Illinois |
| 28 | Doris Mueller | 12 | Daughter | — | Illinois |
| 29 | Robert J. Mueller | 10 | Son | — | Illinois |
| 30 | Ruth Mueller | 7 | Daughter | — | Illinois |
| 31 | Warren Mueller | 2 | Son | — | Illinois |
| 32 | John F. Mueller | 74 | Head | Florist | Germany |
| 33 | Dora Mueller | 66 | Wife | — | Germany |
| 34 | Charles Borgman | 67 | Lodger | — | Illinois |
| 35 | Catherine Maloney | 77 | Head | — | Irish Free State |
| 36 | Bessie Maloney | 50 | Daughter | — | Illinois |
| 37 | Scott Maloney | 50 | Son | Guard | Illinois |
| 38 | Raymond Quinn | 52 | Head | Proprietor | Iowa |
| 39 | Agnes Quinn | 48 | Wife | — | England |
Related Census Records
Pedigree Summary
Lucile + 1 sibling
Gen 1 · 4 parents
~0.81
Max depth 4 (1900–1950 window)
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)