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Donald Allen — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Santa-Barbara-County, California

Our Model Tree links this Donald Allen across the 1930 and 1940 US Censuses in Santa-Barbara-County, California (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.

Age 19 b. ~1921 Male Son Born: California Single

1940 Census Record Details

Census Year1940
LocationSanta-Barbara-County, California
SurnameAllen
Given NameDonald
Relationship to HeadSon
SexM
Color / RaceWhite
Age19
Marital StatusSingle
BirthplaceCalifornia
1935 Residence (City)J. Twp. 9
1935 Residence (County)Santa Barbara
Additional Details
Class of Worker0
Hours Worked0
Income (1939)0
Highest GradeNo 4
1935 ResidenceSame place
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
Township / WardJ Twp 9
Est. Birth Year~1921

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 Donald Age Birth yr
Kenneth Allen Son — 23 ~1917
Henry Allen Head — 53 ~1887
Nellie Allen Spouse — 53 ~1887
Donald Allen Son — 19 ~1921
Idell Allen Daughter — 19 ~1921
George Allen Son — 21 ~1919
Lorraine Allen Daughter — 17 ~1923
Elva Allen Daughter — 17 ~1923

Census Appearances

1930
Santa Barbara, …
Son, age 8
Santa Barbara, California · implied b. ~1922 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Allen
Given Name Donald F.
Relationship to Head Son
Sex M
Color / Race White
Age 8
Marital Status Single
Birthplace California
Father's Birthplace Iowa
Mother's Birthplace West Virginia
Can Read/Write Yes
Birth State California
Birth Country United States
Birthplace (normalized) california
1940
Santa-Barbara-County, California
Son, age 19
Santa-Barbara-County, California · implied b. ~1921 — 8 household members
Surname Allen
Given Name Donald
Relationship to Head Son
Sex M
Color / Race White
Age 19
Marital Status Single
Birthplace California
1935 Residence (City) J. Twp. 9
1935 Residence (County) Santa Barbara
Class of Worker 0
Hours Worked 0
Income (1939) 0
Highest Grade No 4
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.
Linked across censuses
Our Model Tree links Donald Allen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Allen
Son · 1940 · age 19 · b. ~1921 · California
★ You are viewing this record
Sibling
Elva Allen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Idell Allen
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Allen
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Allen
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lorraine Allen
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 — Santa-Barbara-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00334-00953)

Line Name Age Relation Occupation Birthplace
1 Avelino Morgante 69 Head — Switzerland
2 Heley Bertarini 34 Head Baker Italy
3 Tora Martin 63 Head Land Lord Italy
4 Henry K. Luga 35 Head Ag Worker Japan
5 Marie Norma Vone 35 Head Teacher California
6 V. D. Morgante 57 Head — Switzerland
7 Eugene A. Silva 50 Head Proprietor California
8 Emilio Inguells 62 Head — Italy
9 Mario Caruso 51 Head Bartender Switzerland
10 Henry Allen 53 Head Truck Driver California
11 Nellie Allen 53 Wife — California
12 Kenneth C. Allen 23 Son O. P. R. Contractor California
13 George Allen 21 Son — California
14 Donald Allen THIS PERSON 19 Son — California
15 Lorraine Allen 17 Daughter — California
16 Idell Allen 19 Daughter — California
17 Elva Allen 17 Daughter — California
18 Western W. Butner 39 Head Bookkeeper California
19 Mary H. Butner 35 Wife Housewife Colorado
20 Yoshi Butner 65 Mother — Japan
21 Masao Butner 35 Brother Vegetable Packer California
22 Shigeo Shimizu 34 Head Farm Laborer Hawaii
23 Itsuko Shimizu 32 Wife — Hawaii
24 James Shimizu 9 Son — California
25 William Shimizu 5 Son — California
26 Henry Koning 38 Head Mechanic California
27 Naka Koning 32 Wife Pea Picker Japan
28 Sutau Koning 14 Daughter Pea Picker Japan
29 Yoshiko Koning 16 Sister — California
30 Albert Koning 11 Son — California
31 Yin Yee 74 Head — China
32 Yee Shee Yee 62 Wife Housewife China
33 Mary Yee 20 Daughter — California
34 Christina Yee 16 Daughter — California
35 Yoshio Shimizu 40 Head Proprietor Japan
36 Hanako Shimizu 33 Wife — Japan
37 George Shimizu 13 Son — California
38 Edward Shimizu 9 Son — California
39 Alice Shimizu 3 Daughter — California
40 Father Shimabuku None M — Al

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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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