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Betty Brown — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · San-Bernardino-County, California

Our Model Tree links this Betty Brown across the 1930 and 1940 US Censuses in San-Bernardino-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 9-person household.

Age 12 b. ~1928 Female Daughter Born: California Single

1940 Census Record Details

Census Year1940
LocationSan-Bernardino-County, California
SurnameBrown
Given NameBetty
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age12
Marital StatusSingle
BirthplaceCalifornia
1935 Residence (City)San Bernardino City
Additional Details
Highest GradeNo 7
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
Township / WardSan Bernardino 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.

9 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Betty Age Birth yr
Aileen Brown Daughter — 14 ~1926
Kay Brown Daughter — 2 ~1938
Virginia Brown Daughter — 6 ~1934
Joan Brown Daughter — 10 ~1930
Betty Brown Daughter — 12 ~1928
W Brown Head — 37 ~1903
Donald Brown Son — 11 ~1929
Billy Brown Son — 8 ~1932
Irea Brown Spouse — 35 ~1905

Census Appearances

1930
San Bernardino, …
Daughter, age 2
San Bernardino, California · implied b. ~1928 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Brown
Given Name Betty L.
Relationship to Head daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace California
Father's Birthplace Utah
Mother's Birthplace California
Occupation none
Birth State California
Birth Country United States
Birthplace (normalized) california
1940
San-Bernardino-County, California
Daughter, age 12
San-Bernardino-County, California · implied b. ~1928 — 9 household members
Surname Brown
Given Name Betty
Relationship to Head Daughter
Sex F
Color / Race White
Age 12
Marital Status Single
Birthplace California
1935 Residence (City) San Bernardino City
Highest Grade No 7
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.
Linked across censuses
Our Model Tree links Betty Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Betty Brown
Daughter · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Aileen Brown
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Brown
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Brown
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kay Brown
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Brown
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Brown
Sibling · 1940 · age 11
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 — San-Bernardino-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00293-00440)

Line Name Age Relation Occupation Birthplace
1 George Matus 70 Head — Pennsylvania
2 Ida Matus 60 Wife — Illinois
3 C. B. Matus 23 Son Night Attendant Arkansas
4 Doris Matus 25 Daughter-in-law Night Attendant Kansas
5 Harold D. Egan 40 Head Laundry Minnesota
6 Ethel Egan 37 Wife Housekeeper Minnesota
7 James H. Egan 18 Son — Minnesota
8 Peter J. Egan 16 Son — Minnesota
9 Mary C. Egan 15 Daughter — Minnesota
10 Albin Q. Carlsen 53 Head Store Manager Sweden
11 Bertha Carlsen 45 Wife — California
12 Jean Carlsen 22 Daughter Store Clerk California
13 William H. Carlsen 20 Son Store Clerk California
14 Fred I. Palmer 63 Head Blacksmith California
15 Louella J. Palmer 56 Wife — Kansas
16 William S. Palmer 36 Son Machinist California
17 Ray A. Palmer 34 Son Truck Driver California
18 Otis C. Frost 42 Head Delivery Driver Illinois
19 Eva Frost 44 Wife — Arkansas
20 Velma Frost 17 Daughter — California
21 Evelyn Frost 11 Daughter — California
22 Ethan S. D. Palmer 74 Head — Kansas
23 Lillie Palmer 72 Wife — Pennsylvania
24 W. W. Brown 37 Head Machinist Utah
25 Irea Brown 35 Wife — California
26 Aileen Brown 14 Daughter — Utah
27 Betty Brown THIS PERSON 12 Daughter — California
28 Donald Brown 11 Son — California
29 Joan Brown 10 Daughter — California
30 Billy Brown 8 Son — California
31 Virginia Brown 6 Daughter — California
32 Kay Brown 2 Daughter — California
33 Frank O. Sanders 49 Head — California
34 Gladys Sanders 34 Wife — California
35 Betty Lou Sanders 12 Daughter — California
36 Katherine Sanders 10 Daughter — California
37 Nathalie Sanders 6 Daughter — California
38 Mary Sanders 4 Daughter — California
39 Erma Peeler 53 Head Stenographer Texas
40 Ernest K. Peeler 27 Son Newspaper Reporter California

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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)

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