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Leon Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Vermillion-County, Indiana
Our Model Tree links this Leon Brown across the 1930 and 1940 US Censuses in Vermillion-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vermillion-County, Indiana |
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Vermillion |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Highland Township |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leon | Age | Birth yr |
|---|---|---|---|---|
| Hartley Brown | Son | — | 11 | ~1929 |
| Maxine Brown | Daughter | — | 15 | ~1925 |
| Carolyn Brown | Daughter | — | 2 | ~1938 |
| Ellen Brown | Spouse | — | 39 | ~1901 |
| Genevieve Brown | Daughter | — | 13 | ~1927 |
| Lucille Brown | Daughter | — | 14 | ~1926 |
| Marie Brown | Daughter | — | 9 | ~1931 |
| Leon Brown | Son | — | 16 | ~1924 |
| Elmer Brown | Head | — | 39 | ~1901 |
Census Appearances
1930
Vermillion, Indiana
Son, age 6
Vermillion, Indiana · implied b. ~1924 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vermillion-County, Indiana
Son, age 16
Vermillion-County, Indiana · implied b. ~1924 — 9 household members
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Vermillion |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Leon Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leon Brown
Son · 1940 · age 16 · b. ~1924 · Indiana
★ You are viewing this record
Sibling
Marie Brown
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maxine Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carolyn Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hartley Brown
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Brown
Sibling · 1940 · age 13
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 — Vermillion-County, Indiana
Open full size
1940 US Federal Census — Vermillion-County, Indiana
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01102-00554)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Glenn Morgan | 32 | Head | Laborer (Road) | Indiana |
| 2 | Margaret Morgan | 27 | Wife | Housemaid | Indiana |
| 3 | Mary Ann Morgan | 8 | Daughter | — | Indiana |
| 5 | Charles Mclaughlin | 53 | Head | Laborer (Road) | Indiana |
| 6 | Olga Mclaughlin | 47 | Wife | — | Germany |
| 7 | Charles W. Mclaughlin | 14 | Son | — | Indiana |
| 9 | Herschel Turner | 29 | Head | Laborer (Road) | Illinois |
| 10 | Elizabeth Turner | 23 | Wife | — | Illinois |
| 11 | Barbara Turner | 3 | Daughter | — | Illinois |
| 12 | Lily May Turner | 2 | Daughter | — | Illinois |
| 13 | William J. Turner | 1 | Son | — | Indiana |
| 15 | Charles O. Keller | 57 | Head | Laborer | Kentucky |
| 16 | Henry Keller | 70 | Brother | — | Arkansas |
| 18 | Jane Chenoweth | 70 | Head | — | Indiana |
| 20 | Elmer Brown | 39 | Head | Farmer | Indiana |
| 21 | Ellen Brown | 39 | Wife | — | Illinois |
| 22 | Leon Brown THIS PERSON | 16 | Son | — | Indiana |
| 23 | Maxine Brown | 15 | Daughter | — | Indiana |
| 24 | Lucille Brown | 14 | Daughter | — | Indiana |
| 25 | Genevieve Brown | 13 | Daughter | — | Indiana |
| 26 | Hartley Brown | 11 | Son | — | Indiana |
| 27 | Marie Brown | 9 | Daughter | — | Indiana |
| 28 | Carolyn Brown | 2 | Daughter | — | Indiana |
| 30 | Harvey W. Dunivan | 35 | Head | Laborer (Road) | Indiana |
| 31 | Lillian Dunivan | 29 | Wife | — | Nebraska |
| 32 | Lola Jean Dunivan | 11 | Daughter | — | Nebraska |
| 33 | Freddie R. Dunivan | 10 | Son | — | Nebraska |
| 34 | Viola P. Dunivan | 5 | Daughter | — | Indiana |
| 35 | Donna M. Dunivan | 2 | Daughter | — | Indiana |
| 37 | Frank Jester | 58 | Head | Farmer | Indiana |
| 38 | Maude Jester | 55 | Wife | — | Indiana |
| 40 | Ness Lindsey | 59 | Head | Farmer | Indiana |
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)