Thomas Griffin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cumberland-County, Maine

Our Model Tree links this Thomas Griffin across the 1920, 1930 and 1940 US Censuses in Cumberland-County, Maine (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 3-person household.

Age 54 b. ~1886 Male Head Born: Maine Married

1940 Census Record Details

Census Year	1940
Location	Cumberland-County, Maine
Surname	Griffin
Given Name	Thomas A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Portland City
1935 Residence (County)	Cumberland
Additional Details
Occupation	Watchman
Industry	Watchman of Merchant Marine Ships
Class of Worker	PW
Hours Worked	16
Income (1939)	600
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine
Occupation	Watchman
Township / Ward	Portland City
Est. Birth Year	~1886

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 Thomas	Age	Birth yr
Francis Griffin	Son	—	17	~1923
Thomas Griffin	Head	—	54	~1886
Alice Griffin	Spouse	—	57	~1883

Census Appearances

1920

Cumberland, Maine

Head, age 34

Cumberland, Maine · implied b. ~1886 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffin
Given Name	Thomas A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Maine
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Tinsmith
Industry	Awning Factory
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1930

Cumberland, Maine

Head, age 45

Cumberland, Maine · implied b. ~1885

● Primary link · ~Confirmed · 1 source

XGBoost

Surname	Griffin
Given Name	Thomas G
Relationship to Head	Head
Sex	M
Color / Race	White
Age	45
Marital Status	Married
Birthplace	Maine
Age at First Marriage	21
Father's Birthplace	Maine
Mother's Birthplace	Maine
Occupation	Gen Manager
Industry	Lumber Mill
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	20
Veteran	No
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

1940

Cumberland-County, Maine

Head, age 54

Cumberland-County, Maine · implied b. ~1886 — 3 household members

Surname	Griffin
Given Name	Thomas A.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	54
Marital Status	Married
Birthplace	Maine
1935 Residence (City)	Portland City
1935 Residence (County)	Cumberland
Occupation	Watchman
Industry	Watchman of Merchant Marine Ships
Class of Worker	PW
Hours Worked	16
Income (1939)	600
Highest Grade	No 8
1935 Residence	Same Place
Birth State	Maine
Birth Country	United States
Birthplace (normalized)	maine

Model Tree

Linked across censuses

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

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This person

Anchor record

Thomas Griffin

Head · 1940 · age 54 · b. ~1886 · Maine

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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 — Cumberland-County, Maine Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01476-01000)

Line	Name	Age	Relation	Occupation	Birthplace
41	Oscar G. Frosting	57	Head	Pastry Baker	Sweden
42	Ella Frosting	57	Wife	Chamber Maid	Norway
43	Walter T. Frosting	26	Son	Wood Worker	Maine
44	Matthew A. Wood	42	Lodger	Laborer	Maine
45	Lyman W. Daly	62	Head	Mover & Trucker	Canada English
46	Elizabeth A. Daly	61	Wife	—	Maine
47	Philip R. Daly	22	Son	Mover & Trucker	Maine
48	Vernon A. Gibson	28	Son-in-law	Grocery Clerk	Maine
49	Helen L. Gibson	28	Daughter	—	Maine
50	Barbara J. Gibson	1	Granddaughter	—	Maine
51	James V. Gibson	0	Grandson	—	Maine
52	George W. Wiers	29	Head	Laborer	Maine
53	Alvena E. Wiers	26	Wife	—	Maine
54	George J. Wiers	4	Son	—	Maine
55	Joseph H. Knight	56	Father-in-law	Bartender	Maine
56	Annie M. Knight	52	Mother-in-law	—	Maine
57	Norman L. Slack	27	Head	Can Labeler	Maine
58	Regina E. Slack	23	Wife	—	Maine
59	Richard E. Slack	3	Son	—	Maine
60	Thomas A. Griffin THIS PERSON	54	Head	Watchman	Maine
61	Alice A. Griffin	57	Wife	—	Maine
62	Francis T. Griffin	17	Son	—	Maine
63	Vincenzo J. Lucariello	52	Head	Barber	Italy
64	Jenny M. Lucariello	45	Wife	—	New York
65	Michael A. Lucariello	22	Son	Tire Repairer (Rubber)	Maine
66	Joseph A. Lucariello	21	Son	Used Tire Distributor	Maine
67	Gloria A. Lucariello	19	Daughter	New Worker	Maine
68	Vincent E. Lucariello	13	Son	—	Maine
69	Leon G. Bruton	47	Head	Police Patrolman	Texas
70	Rosella Bruton	45	Wife	—	Massachusetts
71	Jessie J. Bruton	22	Daughter	Pastry Icer	Maine
72	Lurlene C. Bruton	18	Daughter	Riveting Cutter	Maine
73	Frank L. Bruton	16	Son	—	Maine
74	John D. Bruton	15	Son	—	Maine
75	C. Russell Bruton	10	Son	—	Maine
76	Robert A. Bruton	4	Son	—	Maine
77	Spofford L. Thompson	44	Head	Locomotive Fireman	Maine
78	Celia M. Thompson	41	Wife	—	Maine
79	Edith M. Thompson	19	Daughter	Clothes Marker	Maine
80	Robert H. Thompson	15	Son	—	Maine

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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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