LS
Leon Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Providence-County, Rhode Island
Our Model Tree links this Leon Smith across the 1920, 1930 and 1940 US Censuses in Providence-County, Rhode Island (XGBoost, ~Confirmed), with identified parents Edward & Marion — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Rhode Island
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Providence-County, Rhode Island |
| Surname | Smith |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | No. Smithfield Town |
| 1935 Residence (County) | Providence |
| Additional Details | |
| Occupation | Road Work |
| Industry | Road Project |
| Class of Worker | GW |
| Hours Worked | 75 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Road Work |
| Township / Ward | No Smithfield Town |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leon | Age | Birth yr |
|---|---|---|---|---|
| Henry Smith | Son | — | 5 | ~1935 |
| Frederick Smith | Son | — | 13 | ~1927 |
| Marion Smith | Daughter | — | 3 | ~1937 |
| Edward Smith | Head | — | 47 | ~1893 |
| Leon Smith | Son | — | 21 | ~1919 |
| Kenneth Smith | Son | — | 18 | ~1922 |
| George Smith | Son | — | 10 | ~1930 |
| Edward Smith | Son | — | 15 | ~1925 |
Census Appearances
1920
Providence, Rhode …
Son, age
Providence, Rhode Island · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leon E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Providence, Rhode …
Son, age 11
Providence, Rhode Island · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leon E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Providence-County, Rhode …
Son, age 21
Providence-County, Rhode Island · implied b. ~1919 — 8 household members
| Surname | Smith |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| 1935 Residence (City) | No. Smithfield Town |
| 1935 Residence (County) | Providence |
| Occupation | Road Work |
| Industry | Road Project |
| Class of Worker | GW |
| Hours Worked | 75 |
| Income (1939) | 200 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Leon Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Smith (~0.92 confidence) and mother Marion Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Smith
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Marion Smith
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leon Smith
Son · 1940 · age 21 · b. ~1919 · Rhode Island
★ You are viewing this record
Sibling
George Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Smith
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Smith
Sibling · 1940 · age 13
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 — Providence-County, Rhode Island
Open full size
1940 US Federal Census — Providence-County, Rhode Island
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03767-00424)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Omer J. Milliard | 45 | Head | Foreman | Rhode Island |
| 2 | Alma M. (X) Milliard | 45 | Wife | — | Vermont |
| 3 | Annette Milliard | 24 | Daughter | Bookkeeper | Rhode Island |
| 4 | Omer Jr. Milliard | 17 | Son | — | Maine |
| 5 | Frederick Milliard | 15 | Son | — | Rhode Island |
| 6 | Aubrey Milliard | 11 | Son | — | Rhode Island |
| 7 | John X Asmussen | 50 | Head | Carpentry | Denmark |
| 8 | Hazel Asmussen | 46 | Wife | Clerk | Rhode Island |
| 9 | John E. Asmussen | 20 | Son | — | Massachusetts |
| 10 | Robert Asmussen | 13 | Son | — | Massachusetts |
| 11 | Edward Smith | 47 | Head | Spinner | Rhode Island |
| 12 | Leon Smith THIS PERSON | 21 | Son | Road Work | Rhode Island |
| 13 | Kenneth (X) Smith | 18 | Son | — | Rhode Island |
| 14 | Edward Smith | 15 | Son | — | Rhode Island |
| 15 | Frederick Smith | 13 | Son | — | Rhode Island |
| 16 | George Smith | 10 | Son | — | Rhode Island |
| 17 | Henry Smith | 5 | Son | — | Rhode Island |
| 18 | Marion Smith | 3 | Daughter | — | Rhode Island |
| 19 | Mary (X) Ballou | 68 | Head | — | Rhode Island |
| 20 | Fred Ballou | 49 | Son | — | Rhode Island |
| 21 | Earl Ballou | 38 | Son | Carder | Rhode Island |
| 22 | Doris Ballou | 24 | Daughter | — | Rhode Island |
| 23 | Norman (X) Smith | 32 | Head | Carder | Rhode Island |
| 24 | Mary Smith | 28 | Wife | — | Rhode Island |
| 25 | Roland Smith | 3 | Son | — | Rhode Island |
| 26 | Harry Harrington | 34 | Head | Crating | Massachusetts |
| 27 | Caroline (X) Harrington | 27 | Wife | — | Massachusetts |
| 28 | Harry Jr. Harrington | 9 | Son | — | Rhode Island |
| 29 | Thomas Harrington | 8 | Son | — | Rhode Island |
| 30 | Marguerite Harrington | 7 | Daughter | — | Rhode Island |
| 31 | Geraldine Harrington | 3 | Daughter | — | Rhode Island |
| 32 | Maude (X) Kingel | 56 | Head | — | Massachusetts |
| 33 | Arey Kingel | 75 | Mother | — | Rhode Island |
| 34 | John J. (X) Herup | 71 | Head | — | Denmark |
| 35 | Magdalena Herup | 66 | Wife | — | Germany |
| 36 | Henry (X) Lefevre | 48 | Head | Laborer | Rhode Island |
| 37 | Mary Lefevre | 49 | Wife | — | Rhode Island |
| 38 | Ovila Lefevre | 17 | Son | Laborer | Rhode Island |
| 39 | Conard Lefevre | 16 | Son | Laborer | Rhode Island |
| 40 | Florence Lefevre | 14 | Daughter | — | Rhode Island |
Pedigree Summary
Leon + 6 siblings
Gen 1 · 2 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)