LS
Leslie Smith — 1940 US Census Record
Linked across censuses1940 United States Federal Census · San-Joaquin-County, California
Our Model Tree links this Leslie Smith across the 1930 and 1940 US Censuses in San-Joaquin-County, California (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Joaquin-County, California |
| Surname | Smith |
| Given Name | Leslie A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Sacramento |
| 1935 Residence (County) | Sacramento |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | California |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Township / Ward | Oneal Township Judicial |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leslie | Age | Birth yr |
|---|---|---|---|---|
| Lola Smith | Daughter | — | 10 | ~1930 |
| Albert Smith | Son | — | 9 | ~1931 |
| Russell Smith | Son | — | 15 | ~1925 |
| Austin Smith | Head | — | 44 | ~1896 |
| Earl Smith | Son | — | 6 | ~1934 |
| Donald Smith | Son | — | 4 | ~1936 |
| Robert Smith | Son | — | 7 | ~1933 |
| Hazel Smith | Spouse | — | 35 | ~1905 |
| Nila Smith | Daughter | — | 2 | ~1938 |
| Leslie Smith | Son | — | 13 | ~1927 |
Census Appearances
1930
Sacramento, California
Son, age 3
Sacramento, California · implied b. ~1927 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leslie A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Idaho |
| Mother's Birthplace | Illinois |
| Can Read/Write | No |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
San-Joaquin-County, California
Son, age 13
San-Joaquin-County, California · implied b. ~1927 — 10 household members
| Surname | Smith |
| Given Name | Leslie A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Sacramento |
| 1935 Residence (County) | Sacramento |
| Highest Grade | No 6 |
| 1935 Residence | California |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Leslie Smith across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leslie Smith
Son · 1940 · age 13 · b. ~1927 · California
★ You are viewing this record
Sibling
Donald Smith
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russell Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Smith
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lola Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Smith
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nila Smith
Sibling · 1940 · age 2
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 — San-Joaquin-County, California
Open full size
1940 US Federal Census — San-Joaquin-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00326-00132)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Justino Callengen | 36 | Lodger | Farm Laborer | Philippine Islands |
| 2 | Frank Garcia | 50 | Head | Farm Laborer | Mexico |
| 3 | Chiyono Tsushima | 57 | Head | Farm Laborer | Japan |
| 4 | Yutaka Tsushima | 28 | Son | Farmer | California |
| 5 | Harumi Tsushima | 24 | Daughter | — | California |
| 6 | Joichi Tsushima | 21 | Son | Farm Laborer | California |
| 7 | Mieko Tsushima | 18 | Daughter | — | California |
| 8 | Chieko Tsushima | 15 | Daughter | — | California |
| 9 | Toshiko Tsushima | 13 | Daughter | — | California |
| 10 | Joe Moises | 27 | Head | Farm Laborer | Philippine Islands |
| 11 | Frederico Cachero | 30 | Lodger | Farm Laborer | Philippine Islands |
| 12 | Doroteo Cabatu | 30 | Lodger | Farm Laborer | Philippine Islands |
| 13 | Alejandro Cachero | 40 | Lodger | Farm Laborer | Philippine Islands |
| 14 | Gonsaku Nakao | 53 | Head | Farmer | Japan |
| 15 | Mitsuyo Nakao | 42 | Wife | — | Japan |
| 16 | Masao Nakao | 19 | Son | Farm Laborer | California |
| 17 | Harue Nakao | 17 | Daughter | — | California |
| 18 | George Nakao | 13 | Son | — | California |
| 19 | Isamu Nakao | 11 | Son | — | California |
| 20 | Matsumi Nakao | 9 | Son | — | California |
| 21 | Tokie Nakao | 3 | Daughter | — | California |
| 22 | Thomas Callanan | 68 | Head | Farmer | Irish Free State |
| 23 | Alice Callanan | 67 | Wife | — | New York |
| 24 | Benjamin Silverman | 36 | Son-in-law | Pharmacist | Canada-English |
| 25 | Marcella Silverman | 30 | Daughter | — | California |
| 26 | Edward C. Callanan | 28 | Head | Salesman | California |
| 27 | Lucille D. Callanan | 26 | Wife | — | California |
| 28 | Edward C. Jr Callanan | 3 | Son | — | California |
| 29 | Austin B. Smith | 44 | Head | Meat Cutter | Idaho |
| 30 | Hazel J. Smith | 35 | Wife | — | Illinois |
| 31 | Russell B. Smith | 15 | Son | — | Idaho |
| 32 | Leslie A. Smith THIS PERSON | 13 | Son | — | Idaho |
| 33 | Lola M. Smith | 10 | Daughter | — | California |
| 34 | Albert H. Smith | 9 | Son | — | California |
| 35 | Robert B. Smith | 7 | Son | — | California |
| 36 | Earl E. Smith | 6 | Son | — | California |
| 37 | Donald J. Smith | 4 | Son | — | California |
| 38 | Nila J. Smith | 2 | Daughter | — | California |
| 39 | Willie Nakatani | 36 | Head | Farmer | Japan |
| 40 | Shizuko Nakatani | 23 | Wife | — | California |
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)