Roy Thompson — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Duval-County, Florida

Our Model Tree links this Roy Thompson across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 4-person household.

Age 49 b. ~1891 Male Head Born: Florida Married

1940 Census Record Details

Census Year	1940
Location	Duval-County, Florida
Surname	Thompson
Given Name	Roy D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Florida
1935 Residence (City)	Jacksonville city
1935 Residence (County)	Duval
Additional Details
Occupation	Foreman
Industry	W.P.A. Road construction
Class of Worker	PW
Hours Worked	48
Income (1939)	728
Highest Grade	No 8
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida
Occupation	Foreman
Township / Ward	Jacksonville 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.

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

Name	Relation to head	Relative to Roy	Age	Birth yr
Sheldon Thompson	Son	—	15	~1925
E Thompson	Spouse	—	49	~1891
Mary Thompson	Daughter	—	22	~1918
Roy Thompson	Head	—	49	~1891

Census Appearances

1920

Duval, Florida

Head, age 28

Duval, Florida · implied b. ~1892 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Roy
Relationship to Head	Head
Sex	M
Color / Race	White
Age	28
Marital Status	Married
Birthplace	Florida
Father's Birthplace	Georgia
Mother's Birthplace	Georgia
Occupation	Install Clerk
Industry	R.R. Mail
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1930

Duval, Florida

Head, age 39

Duval, Florida · implied b. ~1891 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thompson
Given Name	Roy D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	39
Marital Status	Married
Birthplace	Florida
Age at First Marriage	20
Father's Birthplace	Georgia
Mother's Birthplace	Georgia
Occupation	Farmer
Industry	Farm
Class of Worker	VV
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	3500
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1940

Duval-County, Florida

Head, age 49

Duval-County, Florida · implied b. ~1891 — 4 household members

Surname	Thompson
Given Name	Roy D.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Florida
1935 Residence (City)	Jacksonville city
1935 Residence (County)	Duval
Occupation	Foreman
Industry	W.P.A. Road construction
Class of Worker	PW
Hours Worked	48
Income (1939)	728
Highest Grade	No 8
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

Model Tree

Linked across censuses

Our Model Tree links Roy 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

Roy Thompson

Head · 1940 · age 49 · b. ~1891 · Florida

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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 — Duval-County, Florida Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00623-00201)

Line	Name	Age	Relation	Occupation	Birthplace
41	Louise M. Powell	52	Wife	—	Pennsylvania
42	George W. Barnhart	62	Head	Carpenter	Wisconsin
43	Texas B. Barnhart	42	Wife	—	Georgia
44	James E. Barnhart	11	Son	—	South Carolina
45	George W. Jr. Barnhart	5	Son	—	Florida
46	Emmett E. Barnhart	3	Son	—	Florida
47	Margaret G. Wescott	64	Head	—	Maryland
48	April L. Wescott	24	Daughter	—	Florida
49	Louise H. Sackett	24	Head	—	Florida
50	Beulah M. Johnson	20	Sister	—	Florida
51	Mattie C. Arms	35	Sister	—	Florida
52	Albert R. Diehl	57	Head	Tailor	Germany
53	Mahalie Diehl	44	Wife	—	Tennessee
54	Albert R. Jr. Diehl	16	Son	—	Tennessee
55	Joann Diehl	10	Daughter	—	Tennessee
56	Annie E. Wren	67	Head	Child'S Nurse	Pennsylvania
57	Amita Fontaine	7	Lodger	—	Florida
58	Herbert Sumner	59	Head	—	Florida
59	Sibyl P. Sumner	54	Wife	—	Pennsylvania
60	Roy D. Thompson THIS PERSON	49	Head	Foreman	Florida
61	E. Viola Thompson	49	Wife	—	Florida
62	Mary Thompson	22	Daughter	Typist	Florida
63	Sheldon G. Thompson	15	Son	—	Florida
64	Sadie G. Cochran	37	Head	Local Operator	Georgia
65	C. Lucille Chandler	40	Sister	Local Operator	Georgia
66	Robert L. Milam	54	Lodger	Music Teacher	Georgia
67	Jennie E. Carter	54	Head	—	Georgia
68	D. Frederick Carter	30	Son	Salesman	Georgia
69	Ruby M. Mcbride	32	Head	Secretary	Florida
70	Nell E. Mcbride	15	Daughter	—	Florida
71	Ruby N. Mcbride	8	Daughter	—	Florida
72	Nellie Benson	46	Head	Roller	Georgia
73	Clarence W. Medick	38	Head	Owner Manager	West Virginia
74	Virginia Medick	30	Wife	—	Iowa
75	Thomas W. Medick	2	Son	—	Florida
76	Lelia A. Tumblin	50	Mother	Seamstress	Iowa
77	Beatrice De Garmo	34	Head	—	New York
78	Jeanne M. De Garmo	15	Daughter	—	New York
79	Donald De Garmo	13	Son	—	New York
80	Joseph Rosenburg	35	Head	Checker	Russia

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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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