Nellie Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · King-County, Washington

Our Model Tree links this Nellie Thompson across the 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 4-person household.

Age 66 b. ~1874 Female Head Born: Michigan Widowed

1940 Census Record Details

Census Year	1940
Location	King-County, Washington
Surname	Thompson
Given Name	Nellie
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Seattle City
Est. Birth Year	~1874

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 Nellie	Age	Birth yr
Nellie Thompson	Head	—	66	~1874
Louise Curnutt	Other	—	17	~1923
George Donlevy	Other	—	49	~1891
W Thompson	Son	—	24	~1916

Census Appearances

1920

King, Washington

Spouse, age 47

King, Washington · implied b. ~1873 — 12 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Nellie
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Michigan
Naturalization Status	Alien
Father's Birthplace	Canada
Mother's Birthplace	Michigan
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

King, Washington

Other, age 57

King, Washington · implied b. ~1873 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Nellie
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	19
Father's Birthplace	Canada English
Mother's Birthplace	Michigan
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

King-County, Washington

Head, age 66

King-County, Washington · implied b. ~1874 — 4 household members

Surname	Thompson
Given Name	Nellie
Relationship to Head	Head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Seattle City
1935 Residence (County)	King
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

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

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This person

Anchor record

Nellie Thompson

Head · 1940 · age 66 · b. ~1874 · 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-t0627-04374-00631)

Line	Name	Age	Relation	Occupation	Birthplace
41	Nellie Thompson THIS PERSON	66	Head	—	Michigan
42	W. John Thompson	24	Son	Hammer Shop Worker	Washington
43	George Donlevy	49	Boarder	Mail Clerk	Wisconsin
44	Louise Curnutt	17	Boarder	—	Idaho
45	Roy Schmalz	31	Head	Assembling Mechanic	Germany
46	Mercedes Schmalz	33	Wife	—	North Dakota
47	Roy E. Jr. Schmalz	5	Son	—	North Dakota
48	Darlene M. Schmalz	3	Daughter	—	North Dakota
49	Julius Olson	24	Head	Carpenter	Washington
50	Dolly M. Olson	20	Wife	Aeromachine Bag Operator	Washington
51	Agnes C. Fitzhenry	63	Head	—	Wisconsin
52	Elmer W. Norgass	31	Daughter	—	Washington
53	J. Frank Horgan	60	Brother	—	Wisconsin
54	Kenneth C. Russell	33	Head	Watchman	Washington
55	Velma A. Russell	33	Wife	—	Washington
56	Shirley E. Russell	5	Daughter	—	Washington
57	Florence Russell	66	Mother	—	Missouri
58	Walker W. Morris	55	Head	Building Repairer	Virginia
59	Anna R. Morris	56	Wife	—	Sweden
60	Walter J. Morris	25	Son	Truck Driver	Washington
61	Marjorie M. Morris	24	Daughter	—	Wisconsin
62	Elmer Wohler	26	Boarder	Truck Driver	Kansas
63	George Green	28	Roomer	Common Laborer	Oregon
64	—	None	—	—	—
65	Thomas Chinn	30	Roomer	Waiter	China
66	Fung Lee	45	Roomer	Cook	China
67	—	None	—	—	—
68	Hubert Walker	47	Head	Stove Moulder	Tennessee
69	Arbella M. Walker	42	Wife	—	Tennessee
70	Brown	45	Roomer	Floor Lady	Washington
71	James Brown	19	Roomer	Drill Man	Washington
72	Roberta Brown	19	Roomer	Waitress	Washington
73	Tom Satter	50	Roomer	Carpenter	Michigan
74	Ethel Watkins	46	Roomer	Cook	Indiana
75	Ole Hagan	52	Roomer	Carpenter	Norway
76	—	None	—	—	—
77	—	None	—	—	—
78	Agnes Lewis	78	Roomer	—	England
79	Lydia Richter	43	Roomer	Office General Helper	Germany
80	Virginia Horner	75	Roomer	—	Connecticut

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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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