JL
John Lester — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wapello-County, Iowa
Our Model Tree links this John Lester across the 1920, 1930 and 1940 US Censuses in Wapello-County, Iowa (XGBoost, ~Confirmed), with identified parents H & H — first a son (b.~1903), then head of a 3-person household.
Age 37
b. ~1903
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wapello-County, Iowa |
| Surname | Lester |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa |
| 1935 Residence (County) | Wapello County |
| Additional Details | |
| Class of Worker | 70 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Ottumwa |
| Est. Birth Year | ~1903 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Lester | Son | — | 37 | ~1903 |
| Emma Lester | Spouse | — | 73 | ~1867 |
| H Lester | Head | — | 74 | ~1866 |
Census Appearances
1920
Wapello, Iowa
Son, age 16
Wapello, Iowa · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lester |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Occupation | Driver Truck |
| Industry | Retail Grocery |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Wapello, Iowa
Son, age 26
Wapello, Iowa · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lister |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Ohio |
| Occupation | Driver |
| Industry | Taxi |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Wapello-County, Iowa
Son, age 37
Wapello-County, Iowa · implied b. ~1903 — 3 household members
| Surname | Lester |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Ottumwa |
| 1935 Residence (County) | Wapello County |
| Class of Worker | 70 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 John Lester across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father H Lester (~0.92 confidence) and father H Lister (~0.92 confidence) and father H Lester (~0.92 confidence) and mother Emma Lester (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
H Lester
b. ~1865
Source father
● Household
· direct · ~0.92
Father
H Lister
b. ~1865
Source father
● Household
· direct · ~0.92
Father
H Lester
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Emma Lester
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lester
Son · 1940 · age 37 · b. ~1903 · Iowa
★ 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 — Wapello-County, Iowa
Open full size
1940 US Federal Census — Wapello-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01209-00814)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry Taylor | 22 | Head | Carpenter | Iowa |
| 42 | Alma Taylor | 21 | Wife | — | Iowa |
| 43 | Sonya Taylor | 1 | Daughter | — | Iowa |
| 44 | William Fitzsimmons | 56 | Head | Switchman | Iowa |
| 45 | Alice Fitzsimmons | 56 | Wife | — | Wyoming |
| 46 | Ethel Fitzsimmons | 25 | Daughter | Laborer | Iowa |
| 47 | James Fitzsimmons | 22 | Son | Laborer | Iowa |
| 48 | Robert Fitzsimmons | 17 | Son | — | Iowa |
| 49 | N B Morrow | 74 | Head | — | Iowa |
| 50 | Rowena Morrow | 71 | Wife | — | Iowa |
| 51 | Clara F Derner | 63 | Head | — | Iowa |
| 52 | Graydon Collins | 36 | Head | Office Help | Missouri |
| 53 | Florence Collins | 33 | Wife | — | Iowa |
| 54 | Richard Collins | 10 | Son | — | Iowa |
| 55 | Marilyn Collins | 7 | Daughter | — | Iowa |
| 56 | Carol Lee Collins | 3 | Daughter | — | Iowa |
| 57 | David Lewis | 50 | Head | Laborer | Iowa |
| 58 | Bessie Lewis | 47 | Wife | — | Iowa |
| 59 | Maxine Lewis | 25 | Daughter | Laborer | Iowa |
| 60 | Cecil Lewis | 24 | Son | Laborer | Iowa |
| 61 | David Jr Lewis | 15 | Son | — | Iowa |
| 62 | Arville Boyles | 52 | Head | Fireman | Iowa |
| 63 | Grace Boyles | 41 | Wife | — | Iowa |
| 64 | James Howard | 66 | Head | — | Iowa |
| 65 | Myrtle Howard | 65 | Wife | — | Illinois |
| 66 | Charles Carr | 52 | Head | Laborer | Iowa |
| 67 | Lelah Carr | 47 | Wife | — | Iowa |
| 68 | Jack Carr | 19 | Son | — | Iowa |
| 69 | Betty Carr | 14 | Daughter | — | Iowa |
| 70 | Bill Carr | 14 | Son | — | Iowa |
| 71 | Billy Carr | 12 | Son | — | Iowa |
| 72 | Edra Steinhoff | 46 | Head | — | Iowa |
| 73 | Helen Steinhoff | 24 | Daughter | Bookkeeper | Iowa |
| 74 | Dorothy Steinhoff | 21 | Daughter | — | Nebraska |
| 75 | Ella Orr | 69 | Mother | — | Iowa |
| 76 | H T Lester | 74 | Head | — | Iowa |
| 77 | Emma Lester | 73 | Wife | — | Ohio |
| 78 | John Lester THIS PERSON | 37 | Son | — | Iowa |
| 79 | William J King | 26 | Head | Taxi Driver | Iowa |
| 80 | Irene King | 25 | Wife | — | Iowa |
Pedigree Summary
John
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)