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Eugene Brown — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Ohio
Our Model Tree links this Eugene Brown across the 1920, 1930 and 1940 US Censuses in Butler-County, Ohio (XGBoost, ~Confirmed), with identified parents Wm & Anna — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Ohio |
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Madison Twp. |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Occupation | air dryer oper |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1052 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Air Dryer Oper |
| Township / Ward | Madison Twp |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| La Brown | Daughter | — | 19 | ~1921 |
| Thelma Marshall | Daughter | — | 24 | ~1916 |
| Fred Brown | Head | — | 44 | ~1896 |
| Ora Marshall | Other | — | 35 | ~1905 |
| Eugene Brown | Son | — | 21 | ~1919 |
| Dorothy Brown | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Hamilton, Ohio
Son, age 1
Hamilton, Ohio · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Butler, Ohio
Son, age 11
Butler, Ohio · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Butler-County, Ohio
Son, age 21
Butler-County, Ohio · implied b. ~1919 — 6 household members
| Surname | Brown |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Madison Twp. |
| 1935 Residence (County) | Butler |
| Occupation | air dryer oper |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1052 |
| Highest Grade | H-4 |
| 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 Eugene Brown across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Wm Barg (~0.92 confidence) and mother Anna Barg (~0.92 confidence) and father Edward Brown (~0.92 confidence) and father Fred Brown (~0.92 confidence) and mother Dorothy Brown (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Wm Barg
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Anna Barg
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Edward Brown
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Fred Brown
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Dorothy Brown
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Brown
Son · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Thelma Marshall
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
La Brown
Sibling · 1940 · age 19
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 — Butler-County, Ohio
Open full size
1940 US Federal Census — Butler-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03034-00402)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Bare | 47 | head | Steel Worker | Ohio |
| 42 | Eleanor Bare | 42 | wife | — | Indiana |
| 43 | Billy Bare | 20 | son | Farm Hand | Ohio |
| 44 | Marjorie Bare | 19 | daughter | Stenographer | Ohio |
| 45 | James Bare | 18 | son | — | Ohio |
| 46 | Robert Lee Bare | 14 | son | — | Ohio |
| 47 | Clell Faulkner | 37 | head | Stainless Steel Dept. Laborer | Kentucky |
| 48 | Doris Faulkner | 32 | wife | — | Ohio |
| 49 | Imogene Faulkner | 12 | daughter | — | Ohio |
| 50 | Robert Faulkner | 10 | son | — | Ohio |
| 51 | Laymon Peace | 33 | head | Farmer | Kentucky |
| 52 | Vada Peace | 24 | wife | Operator | Tennessee |
| 53 | Joan Peace | 3 | daughter | — | Kentucky |
| 54 | Garvin J. Figley | 61 | head | Farmer | Ohio |
| 55 | Martha Figley | 56 | wife | — | Georgia |
| 56 | Harold Williams | 30 | son in law | Grinder | Ohio |
| 57 | Alice Williams | 28 | daughter | — | Ohio |
| 58 | Shirley A. Williams | 5 | granddaughter | — | Ohio |
| 59 | Barbara L. Williams | 2 | granddaughter | — | Ohio |
| 60 | Waldo E. Michael | 46 | head | Dairy Farmer | Ohio |
| 61 | Mary Michael | 44 | wife | — | Ohio |
| 62 | Dorothy Michael | 21 | daughter | Nurse | Ohio |
| 63 | Marvin Michael | 18 | son | New Worker | Ohio |
| 64 | Russell Longman | 47 | head | Farmer | Ohio |
| 65 | Esther Longman | 43 | wife | Farm Helper | Ohio |
| 66 | Edwin R. Longman | 9 | son | — | Ohio |
| 67 | Lincoln Longman | 73 | head | — | Ohio |
| 68 | Katie Longman | 70 | wife | — | Ohio |
| 69 | Ray Davis | 24 | head | Attendant | Ohio |
| 70 | Charlene Davis | 22 | wife | — | Ohio |
| 71 | Patricia Ann Davis | 1 | daughter | — | Ohio |
| 72 | Charles Sheets | 30 | head | Farmer | Ohio |
| 73 | Jane Sheets | 25 | wife | Clerk | Ohio |
| 74 | Donna Sheets | 1 | daughter | — | Ohio |
| 75 | Fred Brown | 44 | head | Farmer | Ohio |
| 76 | Dorothy Brown | 43 | wife | — | Ohio |
| 77 | Eugene Brown THIS PERSON | 21 | son | Air Dryer Oper | Ohio |
| 78 | La Vena Brown | 19 | daughter | — | Ohio |
| 79 | Ora Marshall | 35 | son in law | Paper Maker | Kentucky |
| 80 | Thelma Marshall | 24 | daughter | — | Ohio |
Pedigree Summary
Eugene + 2 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)