LS
Lester Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Lester Smith across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents W & Lucy — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | Dist. Superv. |
| Industry | Circ Newspaper |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Dist. Superv. |
| Township / Ward | Springfield |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Betty Smith | Daughter | — | 10 | ~1930 |
| Lester Smith | Head | — | 34 | ~1906 |
| Laura Smith | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Sangamon, Illinois
Son, age 13
Sangamon, Illinois · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Head, age 24
Sangamon, Illinois · implied b. ~1906 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 22 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Solicitor |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Head, age 34
Sangamon-County, Illinois · implied b. ~1906 — 3 household members
| Surname | Smith |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield |
| 1935 Residence (County) | Sangamon |
| Occupation | Dist. Superv. |
| Industry | Circ Newspaper |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1200 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lester Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Smith (~0.92 confidence) and mother Lucy Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Lucy Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Smith
Head · 1940 · age 34 · b. ~1906 · Illinois
★ 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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00811)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Louis Solle | 21 | Head | Apprentice | Illinois |
| 2 | Leo Saner | 24 | Son | Partner | Illinois |
| 3 | Mabel Saner | 26 | Daughter-in-law | — | Illinois |
| 4 | Judith Saner | 0 | Granddaughter | — | Illinois |
| 5 | George Otto | 35 | Head | Boilermaker | Illinois |
| 6 | Ruth Otto | 37 | Wife | — | Illinois |
| 7 | Ernest Otto | 38 | Head | Boilermaker | Illinois |
| 8 | Mary Otto | 28 | Wife | Sales Lady | Illinois |
| 9 | Lester Smith THIS PERSON | 34 | Head | Dist. Superv. | Illinois |
| 10 | Laura Smith | 30 | Wife | Mgr. Tavern | Illinois |
| 11 | Betty Jo Smith | 10 | Daughter | — | Illinois |
| 12 | George Otto | 70 | Head | Mgr. Tavern | Illinois |
| 13 | Mary Otto | 65 | Wife | — | Illinois |
| 14 | Loretta Otto | 30 | Daughter | Dept. Clerk | Illinois |
| 15 | James Phillips | 36 | Head | Sp. Del. Carrier | Illinois |
| 16 | Loretta Phillips | 34 | Wife | — | Illinois |
| 17 | James Phillips | 7 | Son | — | Illinois |
| 18 | Charles Phillips | 6 | Son | — | Illinois |
| 19 | Richard Phillips | 2 | Son | — | Illinois |
| 20 | Margaret Phillips | 34 | Sister | Stenographer | Illinois |
| 21 | Stanley Moore | 45 | Head | Watchman Street | Illinois |
| 22 | Charlotte Moore | 39 | Wife | — | Illinois |
| 23 | Stanley Jr. Moore | 4 | Son | — | Illinois |
| 24 | Richard Moore | 3 | Son | — | Illinois |
| 25 | Hambrick Abney | 71 | Lodger | — | Illinois |
| 26 | Lee Walbert | 25 | Lodger | Laborer | Illinois |
| 27 | Jelece Brown | 26 | Head | Candymaker | Tennessee |
| 28 | Rosemary Brown | 25 | Wife | Nut Seal | Kentucky |
| 29 | Rosa May | 44 | Mother | Tura Mixer | Kentucky |
| 30 | David May | 21 | Brother | Apprentice Salesman | Illinois |
| 31 | Robert May | 13 | Brother | — | Illinois |
| 32 | Katherine Delay | 42 | Head | Pract Nurse | Illinois |
| 33 | Stanley Ruby Delay | 16 | Daughter | Nurse Maid | Illinois |
| 34 | Eld Blankenship | 34 | Head | Laborer | Illinois |
| 35 | Louise Blankenship | 32 | Wife | — | Illinois |
| 36 | Edward Blankenship | 7 | Son | — | Illinois |
| 37 | Melvin Blankenship | 5 | Son | — | Illinois |
| 38 | Kathryn St John | 57 | Head | Steno | Illinois |
| 39 | Lewis Richardson | 71 | Head | Blacksmith | Illinois |
| 40 | Barbara Richardson | 68 | Wife | — | Illinois |
Pedigree Summary
Lester
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)