Violet Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mendocino-County, California

Our Model Tree links this Violet Johnson across the 1920, 1930 and 1940 US Censuses in Mendocino-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1902), then head of a 7-person household.

Age 38 b. ~1902 Female Spouse Born: California Married

1940 Census Record Details

Census Year	1940
Location	Mendocino-County, California
Surname	Johnson
Given Name	Violet B
Relationship to Head	wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	California
1935 Residence (City)	Ft. Bragg city
1935 Residence (County)	Mendocino
Additional Details
Highest Grade	No 6
1935 Residence	Same place
Birth State	California
Birth Country	United States
Birthplace (normalized)	california
Township / Ward	Ft Bragg City
Est. Birth Year	~1902

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.

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

Name	Relation to head	Relative to Violet	Age	Birth yr
Harold Johnson	Son	—	18	~1922
Richard Johnson	Son	—	13	~1927
Harold Johnson	Head	—	42	~1898
Clarence Johnson	Son	—	16	~1924
Violet Johnson	Spouse	—	38	~1902
Peter Rasmussen	Other	—	68	~1872
Margaret Johnson	Daughter	—	14	~1926

Census Appearances

1920

Mendocino, California

Other, age 19

Mendocino, California · implied b. ~1901 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Violet
Relationship to Head	Sister
Sex	F
Color / Race	White
Age	19
Marital Status	Single
Birthplace	California
Father's Birthplace	Michigan
Mother's Birthplace	California
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

1930

Mendocino, California

Other, age 28

Mendocino, California · implied b. ~1902 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Violet
Relationship to Head	Head-H
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	California
Age at First Marriage	18
Father's Birthplace	Michigan
Mother's Birthplace	California
Occupation	none
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	20
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

1940

Mendocino-County, California

Spouse, age 38

Mendocino-County, California · implied b. ~1902 — 7 household members

Surname	Johnson
Given Name	Violet B
Relationship to Head	wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	California
1935 Residence (City)	Ft. Bragg city
1935 Residence (County)	Mendocino
Highest Grade	No 6
1935 Residence	Same place
Birth State	California
Birth Country	United States
Birthplace (normalized)	california

Model Tree

Linked across censuses

Our Model Tree links Violet Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Violet Johnson

Spouse · 1940 · age 38 · b. ~1902 · California

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Mendocino-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00263-00409)

Line	Name	Age	Relation	Occupation	Birthplace
1	Virginia Lycan	24	wife	—	California
2	Charles B Lycan	3	son	—	California
3	Julia P Lycan	1	daughter	—	California
4	Harold Johnson	42	head	Carpenter	Sweden
5	Violet B Johnson THIS PERSON	38	wife	—	California
6	Harold Johnson	18	son	Laborer	California
7	Clarence Johnson	16	son	—	California
8	Margaret Johnson	14	daughter	—	California
9	Richard Johnson	13	son	—	California
10	Peter Rasmussen	68	father-in-law	—	Michigan
11	Ernest Nolte	47	head	Laborer	Germany
12	Bertha Nolte	40	wife	—	Germany
13	Kurt Nolte	19	son	Laborer	Germany
14	Herman Nolte	16	son	—	California
15	Margaret Nolte	15	daughter	—	California
16	Gertrude Nolte	13	daughter	—	California
17	Jesse West	39	head	Jeweler Apprentice	California
18	Theresa West	38	wife	Housework	Oregon
19	Harry Fredericks	51	head	Photographer	Washington
20	Jessie Fredericks	44	wife	—	Missouri
21	Pauline Fredericks	14	daughter	—	California
22	Jean Fredericks	12	daughter	—	California
23	Duane Fredericks	4	son	—	California
24	Abel Johnson	56	head	Cross Cutter	Finland
25	Annie Johnson	45	wife	—	Finland
26	Raymond Johnson	23	son	Rigger	California
27	Allen Johnson	22	son	Lumberman	California
28	Frank Johnson	24	head	Clerk	California
29	Gertrude Johnson	23	wife	—	Finland
30	Kenneth Johnson	1	son	—	California
31	Carl Gustafson	27	head	Mill Laborer	California
32	Mayme Gustafson	26	wife	—	California
33	Arvid Matson	41	head	Hook Tender	Finland
34	Amanda Matson	42	wife	—	Finland
35	Arner Matson	14	son	—	California
36	Matt Matson	10	son	—	California
37	Ray Passovoy	26	head	Hook Tender	California
38	Zita Passovoy	24	wife	—	California
39	Darlene Passovoy	2	daughter	—	California
40	Jack Healey	52	head	Hook Tender	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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