Olga Johnson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Olga Johnson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1891), then head of a 5-person household.

Age 49 b. ~1891 Female Spouse Born: Norway Married

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Naturalization Status	Naturalized
Additional Details
Class of Worker	O
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Norway
Birthplace (normalized)	norway
Township / Ward	Seattle City
Est. Birth Year	~1891

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.

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

Name	Relation to head	Relative to Olga	Age	Birth yr
John Klabe	Other	—	18	~1922
Olga Johnson	Spouse	—	49	~1891
Carl Johnson	Head	—	39	~1901
Harry Klabe	Other	—	20	~1920
Kenneth Johnson	Son	—	7	~1933

Census Appearances

1920

Pierce, Washington

Spouse, age 28

Pierce, Washington · implied b. ~1892 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Norway
Year of Immigration	1913
Naturalization Status	First papers filed
Father's Birthplace	Norway
Mother's Birthplace	Norway
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1930

King, Washington

Spouse, age 38

King, Washington · implied b. ~1892 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Johnsson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Norway
Naturalization Status	Naturalized
Year of Immigration	1914
Age at First Marriage	22
Father's Birthplace	Norway
Mother's Birthplace	Norway
Occupation	Proprietor
Industry	Food Shop
Class of Worker	OA
Can Read/Write	Yes
Mother Tongue	Norwegian
Birth Country	Norway
Birthplace (normalized)	norway

1940

King-County, Washington

Spouse, age 49

King-County, Washington · implied b. ~1891 — 5 household members

Surname	Johnson
Given Name	Olga
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Norway
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Naturalization Status	Naturalized
Class of Worker	O
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same place
Birth Country	Norway
Birthplace (normalized)	norway

Model Tree

Linked across censuses

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

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This person

Anchor record

Olga Johnson

Spouse · 1940 · age 49 · b. ~1891 · Washington

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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 — King-County, Washington Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-04378-00209)

Line	Name	Age	Relation	Occupation	Birthplace
41	Peter O. Hogquist	59	Head	Carpenter	Sweden
42	Hilda Hogquist	53	Wife	—	Sweden
43	Fred Embon	29	Lodger	Pile-Driver	Sweden
44	Cyril Ross	35	Head	Manager	England
45	Henrietta Ross	31	Wife	Secretary	Washington
46	Annette Ross	2	Daughter	—	Washington
47	Dorothy Lambkin	40	Lodger	Servant	Oklahoma
48	Bert Kellett	62	Head	—	Iowa
49	Mary Kellett	54	Wife	—	Iowa
50	Milo Kellett	30	Son	Warehouseman	South Dakota
51	Edwin Nelson	69	Head	Painter	Sweden
52	Mina Nelson	65	Wife	—	Sweden
53	Amos H. Dennis	68	Head	—	Massachusetts
54	Edith Dennis	55	Wife	—	Illinois
56	John Nielson	48	Head	—	New Jersey
57	Maria R. Nielson	44	Wife	—	North Dakota
58	Bernice M. Nielson	18	Daughter	Wrapping	Nebraska
59	Carl Johnson	39	Head	Fisherman	Norway
60	Olga Johnson THIS PERSON	49	Wife	—	Norway
61	Kenneth Johnson	7	Son	—	Washington
62	Harry Klabe	20	Foster Son	Attendant	Washington
63	John Klabe	18	Foster Son	—	Washington
64	Harold Fortson	28	Head	Janitor	Georgia
65	Ethyl Fortson	25	Wife	Waitress	Washington
66	Claude White	42	Head	Driver	Washington
67	Hondus White	47	Wife	—	Washington
68	Ernest F. Boulder	50	Head	Electrician	Iowa
69	Edith K. Boulder	42	Wife	Stenographer	Nebraska
70	Milton Irwin	25	Head	Dental Technician	Washington
71	Agnes Irwin	24	Wife	—	North Dakota
72	Loretta Irwin	1	Daughter	—	Washington
73	David P. Smith	55	Head	Proprietor	Iowa
74	Hazel H. Smith	52	Wife	—	Pennsylvania
75	Bernard Rice	44	Head	Buyer	Minnesota
76	Hazel Rice	40	Wife	—	Michigan
77	Don Rice	17	Son	—	Washington
79	Ted Harris	36	Head	Manager	Washington
80	Ruth J. Harris	32	Wife	Cashier	Oregon

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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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