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Ruth Mason — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Humboldt-County, California

Our Model Tree links this Ruth Mason across the 1930 and 1940 US Censuses in Humboldt-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Female Daughter Born: Maine Single

1940 Census Record Details

Census Year1940
LocationHumboldt-County, California
SurnameMason
Given NameRuth A
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceMaine
1935 Residence (City)Fieldbrook
1935 Residence (County)Humboldt
Additional Details
Highest GradeNo 7
1935 ResidenceSame Place
Birth StateMaine
Birth CountryUnited States
Birthplace (normalized)maine
Township / WardFieldbrook
Est. Birth Year~1927

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 Ruth Age Birth yr
David Mason Son — 7 ~1933
Wayne Mason Son — 11 ~1929
Charlotte Mason Daughter — 3 ~1937
Warren Mason Head — 35 ~1905
Ruth Mason Daughter — 13 ~1927
James Mason Son — 12 ~1928
John Mason Son — 5 ~1935
Mary Mason Spouse — 35 ~1905

Census Appearances

1930
Humboldt, California
Daughter, age 3
Humboldt, California · implied b. ~1927 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mason
Given Name Ruth
Relationship to Head Daughter
Sex F
Color / Race White
Age 3
Marital Status Single
Birthplace Maine
Father's Birthplace Canada English
Mother's Birthplace Canada English
Birth State Maine
Birth Country United States
Birthplace (normalized) maine
1940
Humboldt-County, California
Daughter, age 13
Humboldt-County, California · implied b. ~1927 — 8 household members
Surname Mason
Given Name Ruth A
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace Maine
1935 Residence (City) Fieldbrook
1935 Residence (County) Humboldt
Highest Grade No 7
1935 Residence Same Place
Birth State Maine
Birth Country United States
Birthplace (normalized) maine

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 Ruth Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ruth Mason
Daughter · 1940 · age 13 · b. ~1927 · California
★ You are viewing this record
Sibling
James Mason
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wayne Mason
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mason
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Mason
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mason
Sibling · 1940 · age 7
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 — Humboldt-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00208-00579)

Line Name Age Relation Occupation Birthplace
1 Elmer A Schneitler 35 Head Laborer California
2 Regina Schneitler 72 Mother — Switzerland
3 Archie W Johnson 50 Head Painter California
4 Edna M Johnson 32 Wife — Arkansas
5 Leon C Johnson 12 Son — Arkansas
6 Pat A Johnson 5 Son — California
7 Arthur W Johnson 5 Son — California
8 James Henry Johnson 3 Son — California
9 Clay Boyer 38 Head Laborer Oklahoma
10 Dovie M Boyer 31 Wife — Texas
11 David W Boyer 7 Son — Colorado
12 Mary E Boyer 5 Daughter — New Mexico
13 Alice L Boyer 3 Daughter — California
14 Robert Boyer 1 Son — California
15 Bonnie M Boyer 0 Daughter — California
16 Paul E Ward 34 Head Laborer Michigan
17 Rachel Ward 31 Wife — California
18 Gerald Ward 12 Son — California
19 Warren S Mason 35 Head Timber Feller Canada-English
20 Mary B Mason 35 Wife — Canada-English
21 Ruth A Mason THIS PERSON 13 Daughter — Maine
22 James E Mason 12 Son — Maine
23 Wayne M Mason 11 Son — California
24 David A Mason 7 Son — California
25 John W Mason 5 Son — California
26 Charlotte E Mason 3 Daughter — California
27 Patrick Mcbride 55 Head Farmer Northern Ireland
28 Bessie E Mcbride 49 Wife — California
29 Marion A Curfman 40 Head Farmer Nebraska
30 Olive L Curfman 29 Wife — Oklahoma
31 Burleigh S Roberts 51 Head Laborer Kentucky
32 Grace L Roberts 32 Wife — California
33 James O Roberts 12 Son — California
34 Doris L Roberts 10 Daughter — California
35 William V Roberts 8 Son — California
36 Pernelia E Jackson 67 Mother-in-law — Texas
37 Robert R Jackson 24 Brother-in-law Laborer California
38 Albertina Place 63 Head — Ohio
39 Lucy M. E. Mason 62 Head — Idaho
40 Lloyd S Mason 29 Son Laborer 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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