LJ
Lester Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Macon-County, Illinois
Our Model Tree links this Lester Jones across the 1920, 1930 and 1940 US Censuses in Macon-County, Illinois (XGBoost, ~Confirmed), with identified parents Frank & Pearl — first a son (b.~1915), then head of a 4-person household.
Age 25
b. ~1915
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Macon-County, Illinois |
| Surname | Jones |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Macon |
| Additional Details | |
| Occupation | Machinist |
| Industry | Steel Factory |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 650 |
| Highest Grade | No 8 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Machinist |
| Township / Ward | Mt Zion Village |
| Est. Birth Year | ~1915 |
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 Lester | Age | Birth yr |
|---|---|---|---|---|
| Pearl Jones | Head | — | 50 | ~1890 |
| Lester Jones | Son | — | 25 | ~1915 |
| James Jones | Other | — | 1 | ~1939 |
| Anna Jones | Other | — | 21 | ~1919 |
Census Appearances
1920
Macon, Illinois
Son, age 4
Macon, Illinois · implied b. ~1916 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lester F. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Macon, Illinois
Son, age 15
Macon, Illinois · implied b. ~1915 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Macon-County, Illinois
Son, age 25
Macon-County, Illinois · implied b. ~1915 — 4 household members
| Surname | Jones |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (County) | Macon |
| Occupation | Machinist |
| Industry | Steel Factory |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 650 |
| Highest Grade | No 8 |
| 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 Jones across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Jones (~0.92 confidence) and mother Pearl Jones (~0.92 confidence) and mother Pearl Jones (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Jones
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Pearl Jones
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Pearl Jones
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Jones
Son · 1940 · age 25 · b. ~1915 · 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 — Macon-County, Illinois
Open full size
1940 US Federal Census — Macon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00845-00532)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugene Sorrell | 5 | Son | — | — |
| 2 | Robert Sleeper | 60 | Head | — | Indiana |
| 3 | Lola Sleeper | 51 | Wife | — | Missouri |
| 4 | Lyman Jones | 51 | Head | Engineer | Illinois |
| 5 | Sophia Jones | 48 | Wife | — | Illinois |
| 6 | James Hair | 24 | Step Son | Machinist | Illinois |
| 7 | Dewey Morris | 41 | Head | Painter | Illinois |
| 8 | Velma Morris | 42 | Wife | — | Indiana |
| 9 | Karen Morris | 16 | Daughter | — | Illinois |
| 10 | Chas. B. Austin | 71 | Head | Laborer W.P.A. | Illinois |
| 11 | Mary Austin | 60 | Wife | — | Illinois |
| 12 | Lewis Sheets | 23 | Head | Laborer | Illinois |
| 13 | Ruby Sheets | 23 | Wife | — | Illinois |
| 14 | W. C. Linn | 67 | Head | Laborer W.P.A. | Illinois |
| 15 | Lulu Linn | 65 | Wife | — | Illinois |
| 16 | Mettie Allen | 66 | Lodger | Saleslady | Illinois |
| 17 | Frank Hertreiter | 70 | Head | — | Germany |
| 18 | Lillie Hertreiter | 70 | Wife | — | Illinois |
| 19 | Dorothy Bushman | 37 | Daughter | — | Arkansas |
| 20 | Philip Mack | 42 | Lodger | Chef | Austria |
| 21 | Doris Mack | 30 | Lodger-Wife | — | Iowa |
| 22 | Pearl Jones | 50 | Head | — | Illinois |
| 23 | Lester Jones THIS PERSON | 25 | Son | Machinist | Illinois |
| 24 | Anna Jones | 21 | Daughter-in-law | — | Illinois |
| 25 | James Jones | 1 | Grandson | — | — |
| 26 | Wm A Evans | 65 | Head | Fire Marshall | Illinois |
| 27 | Nona Evans | 56 | Wife | — | Illinois |
| 28 | E. S. Mcgaughey | 70 | Head | Proprietor | Tennessee |
| 29 | Thelma Workman | 32 | Housekeeper | Housekeeper | Illinois |
| 30 | S. R. May | 80 | Head | Medical Doctor | Illinois |
| 31 | Jennie May | 80 | Wife | — | New York |
| 32 | Howard Britton | 35 | Head | Shipping Clerk | Illinois |
| 33 | Aileen Britton | 33 | Wife | — | Illinois |
| 34 | Mary Ellen Oldfield | 7 | Lodger | — | Illinois |
| 35 | John Oldfield | 5 | Lodger | — | Illinois |
| 36 | Homer Moore | 27 | Head | Trucker | Illinois |
| 37 | Mildred Moore | 24 | Wife | Operator | Illinois |
| 38 | Harry Taylor | 60 | Head | — | England |
| 39 | Dorothy Taylor | 14 | Daughter | — | Illinois |
| 40 | Wallace Clausen | 41 | Lodger | Meat Dealer | Illinois |
Pedigree Summary
Lester
Gen 1 · 3 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)