JB
John Barron — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this John Barron across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Barron |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Maravilla Park |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | No 1 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Maravilla Park |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Maria Barron | Spouse | — | 47 | ~1893 |
| Helen Barron | Daughter | — | 4 | ~1936 |
| John Barron | Son | — | 21 | ~1919 |
| Pasqual Barron | Son | — | 14 | ~1926 |
| Virginia Barron | Daughter | — | 19 | ~1921 |
| Miguel Barron | Son | — | 17 | ~1923 |
| Ramon Barron | Son | — | 9 | ~1931 |
| Sylvester Barron | Head | — | 49 | ~1891 |
| Manuel Barron | Son | — | 11 | ~1929 |
Census Appearances
1930
Los Angeles, …
Other, age 10
Los Angeles, California · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baron |
| Given Name | John |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Son, age 21
Los-Angeles-County, California · implied b. ~1919 — 9 household members
| Surname | Barron |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Maravilla Park |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 1 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 John Barron across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Barron
Son · 1940 · age 21 · b. ~1919 · California
★ You are viewing this record
Sibling
Helen Barron
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Barron
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ramon Barron
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Barron
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pasqual Barron
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miguel Barron
Sibling · 1940 · age 17
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-t0627-00220-00567)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymundo Segoviano | 32 | Head | Checker | Mexico |
| 42 | Felicitas Segoviano | 28 | Wife | Packer | Texas |
| 43 | Guadalupe Segoviano | 4 | Daughter | — | California |
| 44 | Anita Segoviano | 3 | Daughter | — | California |
| 45 | Margarita Lona | 24 | Head | Seamstress | California |
| 46 | Amado Lona | 6 | Son | — | California |
| 47 | Luis Lona | 5 | Son | — | California |
| 48 | Ramirez, Luz Lona | 47 | Mother | — | Mexico |
| 49 | Pilar Bocanegra | 58 | Head | — | Mexico |
| 50 | Francisco Vasquez | 36 | Son in law | Laborer | Mexico |
| 51 | Maria Vasquez | 28 | Daughter | — | Kansas |
| 52 | Manuel Vasquez | 13 | Grandson | — | California |
| 53 | Pilar Vasquez | 10 | Granddaughter | — | California |
| 54 | Maria L. Vasquez | 8 | Granddaughter | — | California |
| 55 | Maria D.L. Vasquez | 1 | Granddaughter | — | California |
| 56 | Benito Ramirez | 48 | Nephew | Farm Laborer | Mexico |
| 57 | Pablo Ulloa | 27 | Head | Laborer | Mexico |
| 58 | Consuelo Ulloa | 27 | Wife | — | Mexico |
| 59 | Rodolfo Ulloa | 11 | Son | — | California |
| 60 | Flora Ulloa | 10 | Daughter | — | California |
| 61 | Sylvester Barron | 49 | Head | Oiler | Mexico |
| 62 | Maria Barron | 47 | Wife | — | Mexico |
| 63 | John Barron THIS PERSON | 21 | Son | — | California |
| 64 | Virginia Barron | 19 | Daughter | — | California |
| 65 | Miguel Barron | 17 | Son | — | California |
| 66 | Pasqual Barron | 14 | Son | — | California |
| 67 | Manuel Barron | 11 | Son | — | California |
| 68 | Ramon Barron | 9 | Son | — | California |
| 69 | Helen Barron | 4 | Daughter | — | California |
| 70 | Juan Vasquez | 45 | Head | Laborer | Mexico |
| 71 | Irene Vasquez | 43 | Wife | — | Mexico |
| 72 | Maria Vasquez | 13 | Daughter | — | California |
| 73 | Mariano Gonzalez | 52 | Head | Laborer | Mexico |
| 74 | Gregoria Gonzalez | 48 | Wife | — | Mexico |
| 75 | Mariano Jr. Gonzalez | 18 | Son | — | California |
| 76 | Jose Gonzalez | 16 | Son | — | California |
| 77 | Juana Gonzalez | 14 | Daughter | — | California |
| 78 | Angelina Gonzalez | 12 | Daughter | — | California |
| 79 | Mercedes Gonzalez | 10 | Daughter | — | California |
| 80 | Guillermo Gonzalez | 9 | Son | — | California |
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)