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Leon Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Leon Brown across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Utah
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Los Angeles |
| Est. Birth Year | ~1928 |
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 Leon | Age | Birth yr |
|---|---|---|---|---|
| Eva Brown | Daughter | — | 21 | ~1919 |
| Leon Brown | Son | — | 12 | ~1928 |
| Sophia Brown | Spouse | — | 50 | ~1890 |
| Eddie Brown | Son | — | 19 | ~1921 |
| Joe Brown | Son | — | 17 | ~1923 |
| Nathan Brown | Head | — | 52 | ~1888 |
Census Appearances
1930
Los Angeles, …
Son, age 2
Los Angeles, California · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Los-Angeles-County, California
Son, age 12
Los-Angeles-County, California · implied b. ~1928 — 6 household members
| Surname | Brown |
| Given Name | Leon |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Utah |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | S 6 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Eva Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Brown
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie 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 — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00428-00183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Gallego | 14 | Daughter | — | California |
| 2 | Cora Gwen | 34 | Head | Box Maker | Michigan |
| 3 | Eunice Bacon | 25 | Daughter | Box Maker | Oregon |
| 4 | John Vans | 67 | Head | — | England |
| 5 | Lucy Vans | 67 | Wife | — | New York |
| 6 | Nathan Brown | 52 | Head | Salesman | Russia |
| 7 | Sophia Brown | 50 | Wife | — | Russia |
| 8 | Eva Brown | 21 | Daughter | Stenographer | Utah |
| 9 | Eddie Brown | 19 | Son | — | Utah |
| 10 | Joe Brown | 17 | Son | — | Utah |
| 11 | Leon Brown THIS PERSON | 12 | Son | — | Utah |
| 12 | Alice Helmick | 40 | Head | — | Minnesota |
| 13 | Daniel Tanaka | 52 | Head | Merchant | Yugoslavia |
| 14 | Amica Tanaka | 51 | Wife | — | Yugoslavia |
| 15 | Thomas Murray | 63 | Head | Salesman | New York |
| 16 | Nina Murray | 54 | Wife | — | Ohio |
| 17 | Francis Murray | 33 | Son | Spray Painter | Missouri |
| 18 | Harry Wiener | 45 | Head | Merchant | Russia |
| 19 | Esther Wiener | 42 | Wife | — | Russia |
| 20 | Sidney Wiener | 17 | Son | — | New York |
| 21 | Katie Wiener | 6 | Son | — | California |
| 22 | Joseph Marx | 41 | Head | Stock Broker | Hungary |
| 23 | Irene Marx | 38 | Wife | — | Washington |
| 24 | Joan Marx | 8 | Daughter | — | California |
| 25 | Ernest Atkins | 34 | Head | Delivery Salesman | Indiana |
| 26 | Bernette Atkins | 32 | Wife | — | Indiana |
| 27 | Charlene Atkins | 7 | Daughter | — | Indiana |
| 28 | — | None | — | — | — |
| 29 | Richard Malleton | 29 | Head | Machinist | California |
| 30 | Phyllis Malleton | 24 | Wife | — | England |
| 31 | Donna Malleton | 3 | Daughter | — | California |
| 32 | Richard Malleton | 1 | Son | — | California |
| 33 | Sarah Jeffrey | 59 | Head | — | England |
| 34 | Samuel Jeffrey | 29 | Son | Laborer | England |
| 35 | Sarah Eggleston | 50 | Head | — | Canada English |
| 36 | Olson Eggleston | None | Betty | — | Hs 4 |
| 37 | Reed Eggleston | None | Fred | 40 | Hs 4 |
| 38 | Harvey Mcintosh | 56 | Head | Mail Man | Iowa |
| 39 | Bessie Mcintosh | 63 | Wife | — | N. Carolina |
| 40 | Vera Eddis Block | 48 | Head | — | Iowa |
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)