LS
Lucille Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Lucille Smith across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Oliver & Matilda — first a daughter (b.~1914), then head of a 6-person household.
Age 26
b. ~1914
Female
Daughter
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | bird cages |
| Industry | PW |
| Class of Worker | 728 |
| Highest Grade | Hs 2 |
| 1935 Residence | 37 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Bird Cages |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1914 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lucille | Age | Birth yr |
|---|---|---|---|---|
| Lucille Smith | Daughter | — | 26 | ~1914 |
| Oliver Gray | Head | — | 59 | ~1881 |
| Dorothy Smith | Other | — | 3 | ~1937 |
| Barbara Smith | Other | — | 5 | ~1935 |
| Harold Gray | Son | — | 14 | ~1926 |
| Matilda Gray | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Marion, Indiana
Other, age 5
Marion, Indiana · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Speaks English | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 15
Marion, Indiana · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 26
Marion-County, Indiana · implied b. ~1914 — 6 household members
| Surname | Smith |
| Given Name | Lucille |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (County) | Marion |
| Occupation | bird cages |
| Industry | PW |
| Class of Worker | 728 |
| Highest Grade | Hs 2 |
| 1935 Residence | 37 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Lucille Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Oliver Gray (~0.92 confidence) and mother Matilda Gray (~0.92 confidence) and father Frank Smith (~0.92 confidence) and mother Belle Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Oliver Gray
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Matilda Gray
b. ~1884
Source mother
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Belle Smith
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lucille Smith
Daughter · 1940 · age 26 · b. ~1914 · Indiana
★ You are viewing this record
Sibling
Harold Gray
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01129-00030)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis D. Emery | 0 | Son | — | Indiana |
| 42 | Louise Emery | 18 | Sister | Insurance | Indiana |
| 43 | Robert H. Ellis | 56 | Head | Construction | Kentucky |
| 44 | Lillie W. Ellis | 55 | Wife | — | Tennessee |
| 45 | Robert W. Ellis | 25 | Son | Contractor | Indiana |
| 46 | Charles Ellis | 23 | Son | Contractor | Indiana |
| 47 | Nelson Ellis | 18 | Son | Machinery | Indiana |
| 48 | Tom Nichols | 35 | Head | Radio | Indiana |
| 49 | Evelyn Nichols | 32 | Wife | — | Indiana |
| 50 | Millard Nichols | 10 | Son | — | Indiana |
| 51 | Richard Nichols | 5 | Son | — | Indiana |
| 52 | Colley Holskamp | 79 | Head | — | Kentucky |
| 53 | Lillian E. Holskamp | 76 | Wife | — | Kentucky |
| 54 | William Falconbury | 43 | Head | Passenger And Freight Bus Line | Kentucky |
| 55 | Anna T. Falconbury | 36 | Wife | Hosiery Mfg | Kentucky |
| 56 | Betty J. Falconbury | 8 | Daughter | — | Indiana |
| 57 | Paul Snedeker | 42 | Head | Concrete | Indiana |
| 58 | Mabel Snedeker | 38 | Wife | — | Indiana |
| 59 | Paul Jr. Snedeker | 13 | Son | — | Indiana |
| 60 | George Sherman | 42 | Head | — | Indiana |
| 61 | Cecelia Sherman | 40 | Wife | — | Indiana |
| 62 | John Sherman | 21 | Son | Jewelers | Indiana |
| 63 | Katherine Sherman | 19 | Daughter | Bakery | Indiana |
| 64 | Anna Sherman | 17 | Daughter | — | Indiana |
| 65 | Barbara Sherman | 6 | Daughter | — | Indiana |
| 66 | Jesse Worrell | 60 | Head | Laborer | Iowa |
| 67 | Kate Worrell | 58 | Wife | — | Indiana |
| 68 | Oliver P. Gray | 59 | Head | Gas Co | Indiana |
| 69 | Matilda Gray | 56 | Wife | — | Indiana |
| 70 | Harold Gray | 14 | Son | — | Indiana |
| 71 | Lucille Smith THIS PERSON | 26 | Daughter | Bird Cages | Indiana |
| 72 | Barbara J. Smith | 5 | Granddaughter | — | Indiana |
| 73 | Dorothy M. Smith | 3 | Granddaughter | — | Indiana |
| 74 | John Stevenson | 34 | Head | Bird Cages | Indiana |
| 75 | Doris Stevenson | 33 | Wife | — | Kentucky |
| 76 | Virginia Stevenson | 12 | Daughter | — | Indiana |
| 77 | Lois Stevenson | 5 | Daughter | — | Indiana |
| 78 | Raymond Gerald | 34 | Head | Grocery | Kentucky |
| 79 | Anna Gerald | 30 | Wife | Bakery | Kentucky |
| 80 | Leona Gerald | 12 | Daughter | — | Indiana |
Pedigree Summary
Lucille + 1 sibling
Gen 1 · 4 parents
~0.92
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)