Mary Erickson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Mary Erickson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 4-person household.

Age 43 b. ~1897 Female Spouse Born: Washington Married

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Erickson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Additional Details
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington
Township / Ward	Seattle City
Est. Birth Year	~1897

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Phyllis Erickson	Daughter	—	8	~1932
Mary Erickson	Spouse	—	43	~1897
Helen Erickson	Daughter	—	19	~1921
Raymond Erickson	Head	—	46	~1894

Census Appearances

1920

King, Washington

Spouse, age 24

King, Washington · implied b. ~1896 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Ericson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	24
Marital Status	Married
Birthplace	Washington
Father's Birthplace	Kansas
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1930

King, Washington

Spouse, age 33

King, Washington · implied b. ~1897 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Erickson
Given Name	Mary J.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Washington
Age at First Marriage	22
Father's Birthplace	Nebraska
Mother's Birthplace	Nebraska
Can Read/Write	Yes
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

1940

King-County, Washington

Spouse, age 43

King-County, Washington · implied b. ~1897 — 4 household members

Surname	Erickson
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Washington
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Highest Grade	H 4
1935 Residence	Same place
Birth State	Washington
Birth Country	United States
Birthplace (normalized)	washington

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Erickson

Spouse · 1940 · age 43 · b. ~1897 · 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

40 people indexed on this census page (nara:1940:m-t0627-04377-00674)

Line	Name	Age	Relation	Occupation	Birthplace
41	Rowland Sasse	18	Son	Delivery Boy	Washington
42	Shirley Sasse	17	Daughter	—	Washington
43	Alta May Holloman	43	Head	Corset Buyer	Nebraska
44	Robert Holloman	20	Son	Attendant	Nebraska
45	Wayne Holloman	19	Son	Bus Boy	Nebraska
46	Donald Holloman	17	Son	—	Nebraska
47	James Wallace	23	Lodger	Auto Accessory Salesman	Washington
48	Cancelled	None	—	—	—
49	Hans Abrahamson	58	Head	Owner Operator	Norway
50	Margaret Abrahamson	52	Wife	—	Canada
51	Silvia Abrahamson	42	Daughter	Knitting Instructor	Washington
52	Herbert Manford	40	Son-in-law	Fruit Grower	Washington
53	Marjorie Manford	38	Daughter	—	Washington
54	Patricia Manford	14	Daughter	—	Washington
55	Howard Morrill	36	Head	Deputy Assessor	Washington
56	Olive Morrill	29	Wife	—	California
57	Frank Kersten	33	Lodger	Traveling Tea Agent	Minnesota
58	Laurence C. Hill	48	Head	Salesman	Minnesota
59	Grace Hill	48	Wife	Office Manager	Oregon
60	Chandler Hill	21	Son	Bank Clerk	Canada
61	Theodore G. Hill	18	Son	Truck Driver	Washington
62	Raymond Erickson	46	Head	Heating Contractor	Nebraska
63	Mary Erickson THIS PERSON	43	Wife	—	Washington
64	Helen Erickson	19	Daughter	—	Washington
65	Phyllis Erickson	8	Daughter	—	Washington
66	Dwight Stephenson	45	Head	Manager	Kansas
67	Nellie Stephenson	45	Wife	—	Kansas
68	William J. Crohan	44	Head	Supervisor	Pennsylvania
69	Georgene Crohan	48	Wife	—	Idaho
70	Hazel Crohan	12	Daughter	—	Washington
71	Gilbert Orser	28	Head	Marker Grader	Washington
72	Phyllis Orser	27	Wife	—	Idaho
73	Henrietta Friday	41	Mother-in-law	Sales Clerk	Idaho
74	Ben Kuppenbender	58	Head	Proprietor	Nebraska
75	Mary Kuppenbender	55	Wife	Dressmaker	Missouri
76	Ruth Fowler	35	Daughter	Bookkeeper	Oregon
77	Dermit Tritchler	43	Head	Trainman	New York
78	Evelyn Tritchler	37	Wife	—	Minnesota
79	Edgar Tritchler	15	Son	Carrier	Montana
80	Frances Tritchler	12	Daughter	—	Montana

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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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