LS
Leroy Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Luzerne-County, Pennsylvania
Our Model Tree links this Leroy Smith across the 1920, 1930 and 1940 US Censuses in Luzerne-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Fred & Frederick — first a head (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Luzerne-County, Pennsylvania |
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Additional Details | |
| Occupation | Clerk |
| Industry | Retail Grocery Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Wilkesbarre City |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Smith | Daughter | — | 4 | ~1936 |
| Anne Smith | Daughter | — | 4 | ~1936 |
| Joan Smith | Daughter | — | 5 | ~1935 |
| Leroy Smith | Head | — | 31 | ~1909 |
| Josephine Smith | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Luzerne, Pennsylvania
Son, age 11
Luzerne, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 22
Luzerne, Pennsylvania · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Special Del Boy |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Luzerne-County, Pennsylvania
Head, age 31
Luzerne-County, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Smith |
| Given Name | Leroy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Wilkes-Barre City |
| 1935 Residence (County) | Luzerne |
| Occupation | Clerk |
| Industry | Retail Grocery Store |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Leroy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Fred Smith (~0.92 confidence) and father Frederick Smith (~0.92 confidence) and mother Mamie Smith (~0.92 confidence) and mother Mary Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Smith
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Frederick Smith
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Mamie Smith
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Smith
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leroy Smith
Head · 1940 · age 31 · b. ~1909 · Pennsylvania
★ 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 — Luzerne-County, Pennsylvania
Open full size
1940 US Federal Census — Luzerne-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03562-01003)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Reedy | 30 | Daughter | Teacher | Pennsylvania |
| 2 | William A. Reedy | 23 | Son | Sales Engineer | Pennsylvania |
| 3 | Sally Fenwick | 31 | Lodger | Librarian | Ohio |
| 4 | Ella Darling | 28 | Lodger | — | Pennsylvania |
| 5 | Andrew Keller | 44 | Head | Janitor | Pennsylvania |
| 6 | Pearl Keller | 44 | Wife | — | Pennsylvania |
| 7 | Dallas Keller | 22 | Son | Shipping Clerk | Pennsylvania |
| 8 | Jane Keller | 18 | Daughter | — | Pennsylvania |
| 9 | Hudson Keller | 14 | Son | — | Pennsylvania |
| 10 | Melwin | Melvin Keller | 11 | Son | — | Pennsylvania |
| 11 | Melborne Keller | 11 | Son | — | Pennsylvania |
| 12 | Philip M. Reilly | 55 | Head | Mechanic | Pennsylvania |
| 13 | Lucy Reilly | 52 | Wife | — | Pennsylvania |
| 14 | Edward Reilly | 22 | Son | Sales Clerk | Pennsylvania |
| 15 | George Reilly | 20 | Son | New Worker | Pennsylvania |
| 16 | Kathleen Reilly | 16 | Daughter | — | Pennsylvania |
| 17 | Thomas Reilly | 12 | Son | — | Pennsylvania |
| 18 | George Collins | 46 | Lodger | — | Pennsylvania |
| 19 | James Mcguire | 29 | Lodger | Sales Clerk | Pennsylvania |
| 20 | Leroy Smith THIS PERSON | 31 | Head | Clerk | Pennsylvania |
| 21 | Josephine Smith | 25 | Wife | — | Pennsylvania |
| 22 | Joan Smith | 5 | Daughter | — | Pennsylvania |
| 23 | Anne Smith | 4 | Daughter | — | Pennsylvania |
| 24 | Dorothy Smith | 4 | Daughter | — | Pennsylvania |
| 25 | Lula Schlingman | 65 | Head | — | Pennsylvania |
| 26 | Benjamin C. Schlingman | 29 | Son | Salesman | Pennsylvania |
| 27 | William H. Diggs | 73 | Head | Salesman | Pennsylvania |
| 28 | Hazel Diggs | 43 | Daughter | Seamstress | Pennsylvania |
| 29 | Rose Feish | 78 | Head | — | Pennsylvania |
| 30 | Bessie Sleeppy | 51 | Daughter | Saleswoman | Pennsylvania |
| 31 | George Wald | 48 | Son-in-law | Proprietor | Pennsylvania |
| 32 | Thelma Wald | 42 | Daughter | — | Pennsylvania |
| 33 | Joseph L. Stearns | 67 | Head | Photographer | Pennsylvania |
| 34 | Jeannette Stearns | 55 | Wife | — | Maryland |
| 35 | Dean Stearns | 29 | Daughter | Receptionist | Pennsylvania |
| 36 | George H. Perkins | 36 | Head | Salesman | Pennsylvania |
| 37 | Mary Perkins | 37 | Wife | — | Pennsylvania |
| 38 | Jane Perkins | 6 | Son | — | Pennsylvania |
| 39 | Marie Fongert | 40 | Head | Library Clerk | Pennsylvania |
Pedigree Summary
Leroy
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)