LS
Leona Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lorain-County, Ohio
Our Model Tree links this Leona Smith across the 1910, 1920, 1930 and 1940 US Censuses in Lorain-County, Ohio (XGBoost, ~Confirmed), with identified parents Frank & Frank — first a daughter (b.~1903), then head of a 4-person household.
Age 37
b. ~1903
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lorain-County, Ohio |
| Surname | Smith |
| Given Name | Leona |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Elyria City |
| 1935 Residence (County) | Lorain |
| Additional Details | |
| Occupation | Office Girl |
| Industry | Chain Store |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 833 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Office Girl |
| Township / Ward | Elyria City |
| Est. Birth Year | ~1903 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leona | Age | Birth yr |
|---|---|---|---|---|
| Leona Smith | Daughter | — | 37 | ~1903 |
| Frank Smith | Head | — | 71 | ~1869 |
| Hobart Smith | Son | — | 35 | ~1905 |
| Clara Smith | Spouse | — | 61 | ~1879 |
Census Appearances
1910
Erie, Ohio
Daughter, age 7
Erie, Ohio · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leona |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Lorain, Ohio
Daughter, age 17
Lorain, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leona |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Lorain, Ohio
Daughter, age 27
Lorain, Ohio · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leona E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Book Keeper |
| Industry | Shoe Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lorain-County, Ohio
Daughter, age 37
Lorain-County, Ohio · implied b. ~1903 — 4 household members
| Surname | Smith |
| Given Name | Leona |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Elyria City |
| 1935 Residence (County) | Lorain |
| Occupation | Office Girl |
| Industry | Chain Store |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 833 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Leona Smith across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frank Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and father Frank Smith (~0.92 confidence) and mother Clara Smith (~0.92 confidence) and mother Clara Smith (~0.92 confidence) and mother Clara Smith (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Frank Smith
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Clara Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Clara Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Clara Smith
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leona Smith
Daughter · 1940 · age 37 · b. ~1903 · Ohio
★ You are viewing this record
Sibling
Hobart Smith
Sibling · 1940 · age 35
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 — Lorain-County, Ohio
Open full size
1940 US Federal Census — Lorain-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03103-00568)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adrian W Francis | 44 | Head | Salesman | Ohio |
| 2 | Amy Francis | 45 | Wife | Saleswoman | Pennsylvania |
| 3 | Robert E White | 58 | Head | Salesman | Canada |
| 4 | Grace White | 54 | Wife | — | Ohio |
| 5 | Caroline Souders | 76 | Mother in l | — | Ohio |
| 6 | David Altfeld | 54 | Head | Secretary | Ohio |
| 7 | Vara S Altfeld | 49 | Wife | — | New York |
| 8 | Richard Altfeld | 22 | Son | Manager | Ohio |
| 9 | Jean Altfeld | 17 | Daughter | — | Ohio |
| 10 | William G Dehm | 63 | Head | Engineer | Connecticut |
| 11 | Helen G Dehm | 54 | Wife | — | England |
| 12 | David Dehm | 21 | Son | — | Ohio |
| 13 | Joseph H Boon | 55 | Head | Engineer | Ohio |
| 14 | Nora Boon | 53 | Wife | — | Ohio |
| 15 | William D Whitney | 66 | Head | Broker | Ohio |
| 16 | Mary R Whitney | 67 | Wife | — | Pennsylvania |
| 17 | Rena Mccray | 43 | Daughter | Secretary | Ohio |
| 18 | William Mccray | 23 | Grandson | Moulder’S Helper | Ohio |
| 19 | Jean Mccray | 21 | Granddaughter | — | Ohio |
| 20 | George Phelps | 43 | Head | Electrician | Ohio |
| 21 | Eugenie Phelps | 37 | Wife | — | Ohio |
| 22 | Robert Phelps | 17 | Son | — | Ohio |
| 23 | Adelaide Shuster | 72 | Head | — | Ohio |
| 24 | Anna Case | 67 | Sister | — | Ohio |
| 25 | Frank F Smith | 71 | Head | Concession Manager | Ohio |
| 26 | Clara S Smith | 61 | Wife | — | Ohio |
| 27 | Leona Smith THIS PERSON | 37 | Daughter | Office Girl | Ohio |
| 28 | Hobart Smith | 35 | Son | Salesman | Ohio |
| 29 | Victor Heisman | 29 | Head | Tester | Ohio |
| 30 | Lucille Heisman | 26 | Wife | — | Ohio |
| 31 | Roland Heisman | 5 | Son | — | Ohio |
| 32 | Edward Mauk | 33 | Head | Owner | Ohio |
| 33 | Gertrude Mauk | 33 | Wife | — | Ohio |
| 34 | Margaret M Mauk | 11 | Daughter | — | Ohio |
| 35 | Jean Mauk | 10 | Daughter | — | Ohio |
| 36 | Edward Jr Mauk | 8 | Son | — | Ohio |
| 37 | Betty Mauk | 4 | Daughter | — | Ohio |
| 38 | Barbara Mauk | 3 | Daughter | — | Ohio |
| 39 | Ellerton Pace | 24 | Head | Inspector | West Virginia |
| 40 | Marie Pace | 24 | Wife | — | Ohio |
Pedigree Summary
Leona + 1 sibling
Gen 1 · 7 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)