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Lester Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Monroe-County, Ohio
Our Model Tree links this Lester Brown across the 1920, 1930 and 1940 US Censuses in Monroe-County, Ohio (XGBoost, ~Confirmed), with identified parents Chancey & Chauncey — first a son (b.~1915), then head of a 8-person household.
Age 25
b. ~1915
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Monroe-County, Ohio |
| Surname | Brown |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin twp |
| 1935 Residence (County) | Monroe |
| Additional Details | |
| Occupation | Pumper |
| Industry | Oil |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 100 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Pumper |
| Township / Ward | Franklin Twp |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Charles Brown | Head | — | 46 | ~1894 |
| Ralph Brown | Son | — | 14 | ~1926 |
| Betty Brown | Daughter | — | 10 | ~1930 |
| Charles Brown | Son | — | 21 | ~1919 |
| Celia Brown | Spouse | — | 45 | ~1895 |
| Ruth Brown | Daughter | — | 16 | ~1924 |
| Virgil Brown | Son | — | 18 | ~1922 |
| Lester Brown | Son | — | 25 | ~1915 |
Census Appearances
1920
Monroe, Ohio
Son, age 5
Monroe, Ohio · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Monroe, Ohio
Son, age 15
Monroe, Ohio · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Monroe-County, Ohio
Son, age 25
Monroe-County, Ohio · implied b. ~1915 — 8 household members
| Surname | Brown |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Franklin twp |
| 1935 Residence (County) | Monroe |
| Occupation | Pumper |
| Industry | Oil |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 100 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Brown across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Chancey Brown (~0.92 confidence) and father Chauncey Brown (~0.92 confidence) and mother Celia Brown (~0.92 confidence) and father Charles Brown (~0.92 confidence) and mother Celia Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Chancey Brown
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Chauncey Brown
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Celia Brown
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Charles Brown
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Celia Brown
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lester Brown
Son · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Ruth Brown
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virgil Brown
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Brown
Sibling · 1940 · age 14
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 — Monroe-County, Ohio
Open full size
1940 US Federal Census — Monroe-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03117-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daughter | None | F | — | — |
| 2 | Son | None | M | — | — |
| 3 | Son | None | M | — | — |
| 4 | Charles Brown | 46 | Head | Pumper | Ohio |
| 5 | Celia Brown | 45 | Wife | — | Ohio |
| 6 | Lester Brown THIS PERSON | 25 | Son | Pumper | Ohio |
| 7 | Charles Brown | 21 | Son | Laborer | Ohio |
| 8 | Virgil Brown | 18 | Son | Laborer | Ohio |
| 9 | Ruth Brown | 16 | Daughter | — | Ohio |
| 10 | Ralph Brown | 14 | Son | — | Ohio |
| 11 | Betty Brown | 10 | Daughter | — | Ohio |
| 12 | Alman Mcbride | 67 | Head | Retired | Ohio |
| 13 | Raymond Reed | 55 | Head | Farmer | Ohio |
| 14 | Floral Reed | 48 | Wife | — | Ohio |
| 15 | Franklin Reed | 27 | Son | Driver | Ohio |
| 16 | Rodney Reed | 16 | Son | — | Ohio |
| 17 | Charles Morrison | 77 | Son-in-law | Retired | Ohio |
| 18 | Lucretia Broth | 69 | Head | — | Ohio |
| 19 | Herbert Harrner | 32 | Lodger | Laborer | Ohio |
| 20 | Samuel Reed | 51 | Head | Farmer | Ohio |
| 21 | Pearl Reed | 50 | Wife | — | Ohio |
| 22 | Asa Reed | 78 | Father | Retired | Ohio |
| 23 | Roger Reed | 19 | Son | Laborer | Ohio |
| 24 | Mary Gibson | 46 | Lodger | Helper In Home | Ohio |
| 25 | Ralph Reed | 36 | Head | Driver | Ohio |
| 26 | Hilda Reed | 26 | Wife | — | Ohio |
| 27 | Joseph Reed | 6 | Son | — | Ohio |
| 28 | James Reed | 3 | Son | — | Ohio |
| 29 | Swayzy Datson | 50 | Head | Farming | Ohio |
| 30 | Ethel Datson | 53 | Wife | — | Ohio |
| 31 | Claude Brown | 23 | Head | — | Ohio |
| 32 | Iva Brown | 22 | Wife | — | Ohio |
| 33 | Virginia Brown | 3 | Daughter | — | Ohio |
| 34 | Norma Brown | 1 | Daughter | — | Ohio |
| 35 | Emmet Curtis | 69 | Head | Farmer | Ohio |
| 36 | Harry Medley | 27 | Lodger | Laborer | Ohio |
| 37 | Ada Van Fossen | 72 | Head | Retired | Ohio |
| 38 | Walter King | 69 | Head | Farmer | Ohio |
| 39 | Mary King | 65 | Wife | — | Ohio |
| 40 | Machine Baker | 45 | Head | Farmer | Ohio |
Pedigree Summary
Lester + 5 siblings
Gen 1 · 5 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)