John Griffin — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kings-County, New York

Our Model Tree links this John Griffin across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 3-person household.

Age 80 b. ~1860 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Griffin
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	80
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	N.Y.C.
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Hours Worked	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Township / Ward	Nyc
Est. Birth Year	~1860

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 John	Age	Birth yr
Edith Griffin	Daughter	—	32	~1908
John Griffin	Head	—	80	~1860
Bridget Griffin	Spouse	—	64	~1876

Census Appearances

1920

Kings, New …

Other, age 61

Kings, New York · implied b. ~1859 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffin
Given Name	John
Relationship to Head	Lodger
Sex	M
Color / Race	White
Age	61
Marital Status	Widowed
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Messenger
Industry	Library
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

Kings, New …

Head, age 72

Kings, New York · implied b. ~1858 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Griffen
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	72
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1885
Age at First Marriage	29
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Retired
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Value / Rent	12000
Radio Set	R
Veteran	No
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Kings-County, New …

Head, age 80

Kings-County, New York · implied b. ~1860 — 3 household members

Surname	Griffin
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	80
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	N.Y.C.
1935 Residence (County)	Kings
Naturalization Status	Naturalized
Class of Worker	0
Hours Worked	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links John 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

John Griffin

Head · 1940 · age 80 · b. ~1860 · 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 — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02592-00242)

Line	Name	Age	Relation	Occupation	Birthplace
41	Edward Corley	7	Son	—	New York
42	John Griffin THIS PERSON	80	Head	—	Ireland
43	Bridget Griffin	64	Wife	—	Ireland
44	Edith Griffin	32	Daughter	Teacher	New York
45	Ellen Ledger	62	Head	Caretaker	Ireland
46	Helen Ledger	33	Daughter	Secretary	New York
47	George Ledger	30	Son	Clerk	New York
48	Steven Monte	45	Head	Foreman	Italy
49	Mamie Monte	37	Wife	—	New York
50	Mary Monte	15	Daughter	—	New York
51	Josephine Monte	10	Daughter	—	New York
52	Vincenzo Pasquale	49	Head	—	Italy
53	Peter Pasquale	24	Son	Packer	Italy
54	Frances Pasquale	22	Daughter	—	Italy
55	Daniel Pasquale	21	Son	Carpenter	Italy
56	Mary Pasquale	19	Daughter	Cleaner	Italy
57	Edward Maher	50	Head	Fireman	New York
58	Helen Maher	45	Wife	Operator	New York
59	Marian Maher	45	Sister	Clerical	New York
60	Joseph Maher	40	Brother	Patrolman	New York
61	Genevieve Maher	38	Sister	—	New York
62	Victor Maher	31	Brother	Guard	New York
63	Josephine Grant	64	Aunt	—	New York
64	—	None	—	—	—
65	Carmel Garofalo	54	Head	Foreman	Italy
66	Lena Garofalo	42	Wife	Finisher	Italy
67	Rose Garofalo	21	Daughter	Finisher	New York
68	Annie Garofalo	19	Daughter	Operator	New York
69	Joseph Garofalo	15	Son	—	New York
70	Vincent Garofalo	15	Son	—	New York
71	Catherine De Lorenzo	85	Mother	—	Italy
72	Anthony Pandora	45	Head	Shoemaker	Italy
73	Rose Pandora	44	Wife	—	Italy
74	Nunzio Pandora	14	Son	—	New York
75	Henry Galloway	39	Head	—	South Carolina
76	Agnes Galloway	37	Wife	—	South Carolina
77	William Galloway	19	Son	Porter	South Carolina
78	Hazel Galloway	16	Daughter	—	South Carolina
79	Daniel Galloway	14	Son	—	South Carolina
80	Margery Galloway	5	Daughter	—	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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