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Leroy Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hamilton-County, Ohio
Our Model Tree links this Leroy Brown across the 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 11-person household.
Age 19
b. ~1921
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamilton-County, Ohio |
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Additional Details | |
| Occupation | Camp Helper |
| Industry | Home Bldg |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 150 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Camp Helper |
| Township / Ward | Cincinnati |
| Est. Birth Year | ~1921 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leroy | Age | Birth yr |
|---|---|---|---|---|
| Leroy Brown | Son | — | 19 | ~1921 |
| Delores Brown | Daughter | — | 13 | ~1927 |
| W Brown | Daughter | — | 2 | ~1938 |
| Nora Brown | Spouse | — | 37 | ~1903 |
| Loretta Brown | Daughter | — | 15 | ~1925 |
| Roy Brown | Head | — | 38 | ~1902 |
| Rosemary Brown | Daughter | — | 9 | ~1931 |
| Dorothy Brown | Daughter | — | 11 | ~1929 |
| Eleanor Brown | Daughter | — | 5 | ~1935 |
| Donald Brown | Son | — | 6 | ~1934 |
| Bernice Brown | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Hamilton, Ohio
Son, age 9
Hamilton, Ohio · implied b. ~1921 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Hamilton-County, Ohio
Son, age 19
Hamilton-County, Ohio · implied b. ~1921 — 11 household members
| Surname | Brown |
| Given Name | Leroy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Cincinnati |
| 1935 Residence (County) | Hamilton |
| Occupation | Camp Helper |
| Industry | Home Bldg |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 150 |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| 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 Leroy Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leroy Brown
Son · 1940 · age 19 · b. ~1921 · Ohio
★ You are viewing this record
Sibling
Rosemary Brown
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
W Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delores Brown
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Brown
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brown
Sibling · 1940 · age 6
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 — Hamilton-County, Ohio
Open full size
1940 US Federal Census — Hamilton-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03198-00290)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rosemary Breen | 9 | Daughter | — | Ohio |
| 42 | Herbert Willis | 26 | Head | Landscaper | Kentucky |
| 43 | Doreen Willis | 20 | Wife | — | Kentucky |
| 44 | Herbert, Jr Willis | 0 | Son | — | Kentucky |
| 45 | Edward Harlinger | 28 | Head | Truck Driver | Ohio |
| 46 | Margerette Harlinger | 23 | Wife | — | Ohio |
| 47 | Patricia Ann Harlinger | 6 | Daughter | — | Ohio |
| 48 | Roy Brown | 38 | Head | Painter | Indiana |
| 49 | Nora Brown | 37 | Wife | — | Indiana |
| 50 | Leroy Brown THIS PERSON | 19 | Son | Camp Helper | Ohio |
| 51 | Bernice Brown | 17 | Daughter | Saleslady | Ohio |
| 52 | Loretta Brown | 15 | Daughter | — | Ohio |
| 53 | Delores Brown | 13 | Daughter | — | Ohio |
| 54 | Dorothy Brown | 11 | Daughter | — | Ohio |
| 55 | Rosemary Brown | 9 | Daughter | — | Ohio |
| 56 | Donald Brown | 6 | Son | — | Ohio |
| 57 | Eleanor Brown | 5 | Daughter | — | Ohio |
| 58 | W. Imogene Brown | 2 | Daughter | — | Ohio |
| 59 | Herbert Baumgartner | 71 | Head | — | Ohio |
| 60 | Christina Baumgartner | 68 | Wife | — | Indiana |
| 61 | Clarence Baumgartner | 45 | Son | Gardener | Ohio |
| 62 | Elsie Baumgartner | 41 | Daughter | Mach. Oper. | Ohio |
| 63 | Robert Jr Baumgartner | 31 | Son | Cook | Ohio |
| 64 | George Bates | 53 | Head | Lumber Stacker | Tennessee |
| 65 | Mayme Bates | 50 | Wife | — | Tennessee |
| 66 | Bill Bates | 8 | Son | — | Ohio |
| 67 | Ray Thompson | 37 | Head | Truck Driver | Tennessee |
| 68 | Gladys Thompson | 29 | Wife | — | Kentucky |
| 69 | Lonnie Thompson | 24 | Head | Truck Driver | Tennessee |
| 70 | Della Thompson | 24 | Wife | — | Kentucky |
| 71 | Betty Thompson | 8 | Daughter | — | Ohio |
| 72 | Dorothy Thompson | 6 | Daughter | — | Ohio |
| 73 | Lonnie Thompson | 4 | Son | — | Ohio |
| 74 | Charles Thompson | 2 | Son | — | Ohio |
| 75 | Fred Vordenberger | 41 | Head | Shipping Clerk | Ohio |
| 76 | Gertrude Vordenberger | 35 | Wife | — | Tennessee |
| 77 | Ruth Caldwell | 20 | Daughter | — | Ohio |
| 78 | Angela Caldwell | 1 | Daughter | — | Ohio |
| 79 | John Caldwell | 1 | Son | — | Ohio |
| 80 | Joseph Caldwell | 23 | Son-in-law | Steel Worker | Kentucky |
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)