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Mary Barber — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Barber across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Barber |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Montebello City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Montebello City |
| 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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Barber | Daughter | — | 12 | ~1928 |
| Alice Barber | Daughter | — | 3 | ~1937 |
| Marguerite Barber | Daughter | — | 4 | ~1936 |
| Luciano Barber | Head | — | 31 | ~1909 |
| Frederick Barber | Son | — | 2 | ~1938 |
| Jose Barber | Son | — | 6 | ~1934 |
| Benito Barber | Son | — | 8 | ~1932 |
| Catarina Barber | Spouse | — | 27 | ~1913 |
Census Appearances
1930
Los Angeles, …
Daughter, age 1
Los Angeles, California · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barbers |
| Given Name | Marguerite |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 12
Los-Angeles-County, California · implied b. ~1928 — 8 household members
| Surname | Barber |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Montebello City |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | S 5 |
| 1935 Residence | Same place |
| 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 Mary Barber across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Barber
Daughter · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Frederick Barber
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Barber
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Barber
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benito Barber
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jose Barber
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 — 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-t0627-00238-00212)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carmine Barber | 5 | daughter | — | California |
| 42 | Esperanza Barber | 10 | daughter | — | California |
| 43 | Jennie Barber | 6 | daughter | — | California |
| 44 | Epigmenio Avila | 30 | head | Laborer | Mexico |
| 45 | Mary Avila | 23 | wife | — | California |
| 46 | Robert John Avila | 3 | son | — | California |
| 47 | Pedro Avila | 2 | son | — | California |
| 48 | Charlotte Avila | 1 | daughter | — | California |
| 49 | Petra Avila | 52 | mother | — | Mexico |
| 50 | Luciano Barber | 31 | head | Laborer | Mexico |
| 51 | Catarina Barber | 27 | wife | — | Mexico |
| 52 | Mary Barber THIS PERSON | 12 | daughter | — | California |
| 53 | Benito Barber | 8 | son | — | California |
| 54 | Jose Barber | 6 | son | — | California |
| 55 | Marguerite Barber | 4 | daughter | — | California |
| 56 | Alice Barber | 3 | daughter | — | California |
| 57 | Frederick Barber | 2 | son | — | California |
| 58 | Joe Medina | 36 | head | Nursery Worker | Mexico |
| 59 | L. Barber | 64 | head | — | Mexico |
| 60 | Joe Coppie | 47 | head | Sheet Metal Worker | Italy |
| 61 | Stella Coppie | 39 | wife | Nursery Worker | Mexico |
| 62 | Joe Jr Coppie | 9 | son | — | California |
| 63 | Dina Coppie | 7 | daughter | — | California |
| 64 | Jesus Ferrell | 25 | head | Orange Picker | Colorado |
| 65 | Jessie Ferrell | 17 | wife | — | California |
| 66 | Dolores Ferrell | 1 | daughter | — | California |
| 67 | William Ford | 35 | head | Adjuster'S Helper | Missouri |
| 68 | Bertha Ford | 36 | wife | Machine Operator | Tennessee |
| 69 | William Jr Ford | 11 | son | — | Washington |
| 70 | Evelyn Ford | 8 | daughter | — | Washington |
| 71 | Lois May Ford | 6 | daughter | — | Washington |
| 72 | Charles H North | 38 | head | Wholesale Salesman | Indiana |
| 73 | May L. North | 42 | wife | — | Tennessee |
| 74 | Geneva North | 21 | niece | — | Tennessee |
| 75 | Dennis North | 19 | nephew | Projectionist | Indiana |
| 76 | Norman North | 17 | nephew | Private In U.S. Army | Indiana |
| 77 | Doris North | 13 | niece | — | Ohio |
| 78 | Richard North | 11 | nephew | — | Ohio |
| 79 | June North | 9 | niece | — | Tennessee |
| 80 | Robert North | 8 | nephew | — | 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)