Grace Thomas — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Duval-County, Florida

Our Model Tree links this Grace Thomas across the 1920, 1930 and 1940 US Censuses in Duval-County, Florida (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 3-person household.

Age 42 b. ~1898 Female Spouse Born: Florida Married

1940 Census Record Details

Census Year	1940
Location	Duval-County, Florida
Surname	Thomas
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Florida
1935 Residence (City)	Jacksonville
1935 Residence (County)	Duval
Additional Details
Highest Grade	H-2
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida
Township / Ward	Jacksonville
Est. Birth Year	~1898

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 Grace	Age	Birth yr
Mary Thomas	Daughter	—	13	~1927
Grace Thomas	Spouse	—	42	~1898
William Thomas	Head	—	46	~1894

Census Appearances

1920

Duval, Florida

Spouse, age 23

Duval, Florida · implied b. ~1897 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thomas
Given Name	Gertie
Relationship to Head	Wife
Sex	F
Color / Race	Black
Age	23
Marital Status	Married
Birthplace	Florida
Father's Birthplace	Florida
Mother's Birthplace	Georgia
Occupation	Domestic
Industry	Private Family
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1930

Duval, Florida

Spouse, age 32

Duval, Florida · implied b. ~1898 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Thomas
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	32
Marital Status	Married
Birthplace	Florida
Age at First Marriage	26
Father's Birthplace	Tennessee
Mother's Birthplace	Florida
Can Read/Write	Yes
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

1940

Duval-County, Florida

Spouse, age 42

Duval-County, Florida · implied b. ~1898 — 3 household members

Surname	Thomas
Given Name	Grace
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Florida
1935 Residence (City)	Jacksonville
1935 Residence (County)	Duval
Highest Grade	H-2
1935 Residence	Same place
Birth State	Florida
Birth Country	United States
Birthplace (normalized)	florida

Model Tree

Linked across censuses

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

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This person

Anchor record

Grace Thomas

Spouse · 1940 · age 42 · b. ~1898 · 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-t0627-00627-00650)

Line	Name	Age	Relation	Occupation	Birthplace
41	John E Gaskin	37	Head	Car Clerk	Florida
42	Eleanor (X) Gaskin	30	Wife	—	Florida
43	John E Jr Gaskin	13	Daughter	—	Florida
44	William H Duguid	35	Head	Sales Manager	Pennsylvania
45	Fannie G (X) Duguid	31	Wife	—	Florida
46	Delores A Duguid	5	Daughter	—	Florida
47	Dan (X) Lewis	45	Head	Auditor	Arkansas
48	Mary E Lewis	43	Wife	—	Florida
49	Frances Lewis	18	Daughter	—	Oklahoma
50	Smith Allen H Lewis	15	Son	—	Florida
51	Charles B (X) Rogers	54	Head	Manager	Florida
52	Viola L Rogers	50	Wife	—	Indiana
53	Charles Jr Rogers	23	Son	Supervisor	Indiana
54	Margaret Rogers	23	Daughter	—	Florida
55	William R (X) Thomas	46	Head	Superintendent	Florida
56	Grace Thomas THIS PERSON	42	Wife	—	Florida
57	Mary V Thomas	13	Daughter	—	Florida
58	James R Bessent	54	Head	Salesman	Florida
59	Charlie Bessent	49	Wife	—	Florida
60	Osborne Bessent	27	Son	Credit Clerk	Georgia
61	Charles Jr Bessent	22	Daughter	—	Georgia
62	Marian Bessent	19	Son	—	Florida
63	Dick Bessent	14	Son	—	Florida
64	Harry J Sleigh	30	Head	Department Manager	Florida
65	Mary (X) Sleigh	28	Wife	—	Florida
66	Janie R (X) Slater	49	Head	—	Florida
67	Leroy Mcdonald	21	Son-in-law	Truck Driver	Florida
68	Thelma Mcdonald	21	Daughter	—	Florida
69	Ernest G Booth	45	Lodger	Department Manager	Florida
70	Charlie D Wright	30	Head	Bookkeeper	Florida
71	Sarah Wright	28	Wife	—	Illinois
72	Donney Wright	7	Son	—	Florida
73	William Wright	5	Son	—	Florida
74	Henry C (X) Hull	31	Head	Assistant Observer	Mississippi
75	Anna L Hull	22	Wife	—	Mississippi
76	James G Hull	1	Son	—	Florida
77	Raymond Austin	37	Head	Methods Man	Nova Scotia
78	Maie U Austin	36	Wife	—	Pennsylvania
79	Garrett Austin	12	Son	—	Florida
80	Clark C Pollice	40	Head	City Fireman	Florida

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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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