Lucy Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Webster-County, Iowa

Our Model Tree links this Lucy Thompson across the 1920, 1930 and 1940 US Censuses in Webster-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.

Age 52 b. ~1888 Female Spouse Born: Oregon Married

1940 Census Record Details

Census Year	1940
Location	Webster-County, Iowa
Surname	Thompson
Given Name	Lucy O.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Fort Dodge
1935 Residence (County)	Webster
Additional Details
Class of Worker	0
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon
Township / Ward	Fort Dodge
Est. Birth Year	~1888

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.

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

Name	Relation to head	Relative to Lucy	Age	Birth yr
Lucy Thompson	Spouse	—	52	~1888
James Thompson	Head	—	57	~1883
James Thompson	Son	—	25	~1915

Census Appearances

1920

Webster, Iowa

Spouse, age 32

Webster, Iowa · implied b. ~1888 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Lulu
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Oregon
Father's Birthplace	Canada
Mother's Birthplace	Wisconsin
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1930

Webster, Iowa

Spouse, age 42

Webster, Iowa · implied b. ~1888 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Lucy
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Oregon
Age at First Marriage	25
Father's Birthplace	United States
Mother's Birthplace	Mississippi
Can Read/Write	Yes
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

1940

Webster-County, Iowa

Spouse, age 52

Webster-County, Iowa · implied b. ~1888 — 3 household members

Surname	Thompson
Given Name	Lucy O.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	Oregon
1935 Residence (City)	Fort Dodge
1935 Residence (County)	Webster
Class of Worker	0
Hours Worked	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Oregon
Birth Country	United States
Birthplace (normalized)	oregon

Model Tree

Linked across censuses

Our Model Tree links Lucy 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

Lucy Thompson

Spouse · 1940 · age 52 · b. ~1888 · Iowa

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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 — Webster-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01212-00628)

Line	Name	Age	Relation	Occupation	Birthplace
41	Maud Bock	47	—	—	Indiana
42	Chester D. Bulgitt	55	Head	Assistant Manager	Illinois
43	Barber Bulgitt	18	Daughter	—	Iowa
44	Evelyn Milligan	26	Maid	Maid	Iowa
45	Minnie D. Colby	57	Head	Cashier	Iowa
46	Irene Colby	48	Partner	Department Manager	Iowa
47	John D. Dorsey	38	Head	Machinist	Germany
48	Alma Dorsey	35	Wife	—	Iowa
49	Earl E. Fairbanks	34	Head	Meat Cutter	Iowa
50	Ralph Barton	33	Head	Lawyer	South Dakota
51	Rachel Barton	30	Wife	—	Montana
52	Ross S. Georges	39	Head	Traveling Salesman	Illinois
53	Jessie D. Georges	39	Wife	Saleswoman	Iowa
54	Edwin L. Burner	35	Head	Motor Maker	Iowa
55	Marie S. Burner	35	Wife	—	Iowa
56	John Burner	6	Son	—	Iowa
57	Ann Burner	4	Daughter	—	Iowa
58	Lyle H. Perkins	48	Head	Traveling Salesman	Iowa
59	Grace E. R. Perkins	47	Wife	—	Iowa
60	John W. Morton	63	Head	Manager	Vermont
61	Grace D. Morton	61	Wife	—	Vermont
62	James Thompson	57	Head	Assistant Manager	Iowa
63	Lucy O. Thompson THIS PERSON	52	Wife	—	Oregon
64	James Jr. Thompson	25	Son	Warehouseman	Iowa
65	Ray O. Johnston	31	Head	Sales Manager	Iowa
66	Violet Johnston	34	Wife	Stenographer	Iowa
67	Charles E. Lallier	53	Head	Salesman	Iowa
68	Inez O. Lallier	40	Wife	—	Iowa
69	Betty Jane Lallier	17	Daughter	—	Iowa
70	Gwendolyn Lallier	15	Daughter	—	Iowa
71	Charles Lallier	12	Son	—	Iowa
72	George Helmold	22	Head	Printer	Iowa
73	Irene S. Helmold	21	Wife	—	Iowa
74	Andrew Hattent	50	Lodger	Attendant	Iowa
75	John Anderson	16	Lodger	—	Iowa
76	Roy Jensen	29	Head	Laborer	Illinois
77	Marjorie Jensen	20	Wife	Saleslady	England
78	James Jensen	7	Son	—	Iowa
79	Julia Jensen	5	Daughter	—	Iowa
80	Clarence J. Byrne	43	Head	Salesman	Iowa

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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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