Theodore Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · St.-Lawrence-County, New York

Our Model Tree links this Theodore Thompson across the 1920, 1930 and 1940 US Censuses in St.-Lawrence-County, New York (XGBoost, ~Confirmed) — first a head (b.~1908), then head of a 8-person household.

Age 32 b. ~1908 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	St.-Lawrence-County, New York
Surname	Thompson
Given Name	Theodore C.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	New York
1935 Residence (City)	R
1935 Residence (County)	St. Lawrence
Additional Details
Occupation	Construction
Industry	Alum Co of America Mfg
Class of Worker	PW
Hours Worked	40
Income (1939)	800
Highest Grade	No 8
1935 Residence	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Construction
Township / Ward	Stockholm Town
Est. Birth Year	~1908

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.

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

Name	Relation to head	Relative to Theodore	Age	Birth yr
Helen Thompson	Daughter	—	4	~1936
Leland Thompson	Son	—	6	~1934
Mary Thompson	Daughter	—	10	~1930
James Thompson	Son	—	7	~1933
Theodore Thompson	Head	—	32	~1908
William Thompson	Son	—	8	~1932
Genevieve Thompson	Spouse	—	34	~1906
Willard Thompson	Son	—	6	~1934

Census Appearances

1920

St Lawrence, …

Son, age 12

St Lawrence, New York · implied b. ~1908 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Theodore
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

St Lawrence, …

Head, age 23

St Lawrence, New York · implied b. ~1907 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Tompson
Given Name	Theodore E.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	23
Marital Status	Married
Birthplace	New York
Age at First Marriage	21
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Truck driver
Industry	Town road
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

St.-Lawrence-County, New …

Head, age 32

St.-Lawrence-County, New York · implied b. ~1908 — 8 household members

Surname	Thompson
Given Name	Theodore C.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	32
Marital Status	Married
Birthplace	New York
1935 Residence (City)	R
1935 Residence (County)	St. Lawrence
Occupation	Construction
Industry	Alum Co of America Mfg
Class of Worker	PW
Hours Worked	40
Income (1939)	800
Highest Grade	No 8
1935 Residence	New York
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Theodore 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

Theodore Thompson

Head · 1940 · age 32 · b. ~1908 · New York

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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 — St.-Lawrence-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02771-00736)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lloyd Booth	31	Head	Farm Laborer	New York
2	Morris Ramsdell	34	Head	Farmer	New York
3	Frances M. Ramsdell	29	Wife	—	New York
4	Reginald Ramsdell	11	Son	—	New York
5	Marilyn J. Ramsdell	8	Daughter	—	New York
6	Joanne Ramsdell	5	Daughter	—	New York
7	Shirley Ramsdell	4	Daughter	—	New York
8	Walter H. Ramsdell	2	Son	—	New York
9	Edgar Currier	56	Hired Man	Farm Laborer	New York
10	Daniel Kelly	80	Head	—	Scotland
11	Daniel Jr. Kelly	46	Son	Farmer	New York
12	Jas. Kelly	37	Son	Farmer	New York
13	Edith Kelly	28	Daughter-in-law	—	New York
14	Edgar Kelly	8	Grandson	—	New York
15	Francis Kelly	6	Grandson	—	New York
16	Jackie Kelly	5	Grandson	—	New York
17	Teresa Kelly	4	Granddaughter	—	New York
18	James Holly	48	Head	Truck Driver	New York
19	Marie D. Holly	39	Wife	—	New York
20	Eleanor Holly	21	Daughter	—	New York
21	Helen Holly	18	Daughter	Housekeeper	New York
22	Robert Foy	49	Head	Pot Room	New York
23	Mary Foy	50	Wife	—	New York
24	Clarence Griffith	22	Stepson	Pot Room	New York
25	William Griffith	20	Stepson	Carbon Plant	New York
26	Mary Griffith	15	Stepdaughter	—	New York
27	Theodore C. Thompson THIS PERSON	32	Head	Construction	New York
28	Genevieve P. Thompson	34	Wife	—	New York
29	Mary A. Thompson	10	Daughter	—	New York
30	William J. Thompson	8	Son	—	New York
31	James L. Thompson	7	Son	—	New York
32	Leland C. Thompson	6	Son	—	New York
33	Willard T. Thompson	6	Son	—	New York
34	Helen K. Thompson	4	Daughter	—	New York
35	Dorothy Currier	17	Head	Housekeeper	New York
36	Irvella Byington	26	Step-sister	—	New York
37	Dorothy Byington	5	Step-sister's daughter	—	New York
38	Arlene Byington	3	Step-sister's daughter	—	New York
39	Earl Byington	1	Step-sister's son	—	New York
40	Paul Chambers	33	Head	Farmer	New York

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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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