John Welsh — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Welsh across the 1930 and 1940 US Censuses in Cattaraugus-County, New York (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.

Age 42 b. ~1898 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Cattaraugus-County, New York
Surname	Welsh
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Olean
1935 Residence (County)	Cattaraugus
Naturalization Status	Naturalized
Additional Details
Occupation	Pumper
Industry	Oil Refinery
Class of Worker	PW
Hours Worked	36
Income (1939)	1600
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Pumper
Township / Ward	Olean
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.

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

Name	Relation to head	Relative to John	Age	Birth yr
John Welsh	Son	—	8	~1932
Kathleen Welsh	Daughter	—	12	~1928
Catherine Welsh	Spouse	—	36	~1904
John Welsh	Head	—	42	~1898

Census Appearances

1930

Cattaraugus, New …

Head, age 33

Cattaraugus, New York · implied b. ~1897 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welsh
Given Name	John J
Relationship to Head	head
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1911
Age at First Marriage	27
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Stillman
Industry	Oil Refinery
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Value / Rent	5,000
Veteran	Yes
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Cattaraugus-County, New …

Head, age 42

Cattaraugus-County, New York · implied b. ~1898 — 4 household members

Surname	Welsh
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	Olean
1935 Residence (County)	Cattaraugus
Naturalization Status	Naturalized
Occupation	Pumper
Industry	Oil Refinery
Class of Worker	PW
Hours Worked	36
Income (1939)	1600
Highest Grade	No 7
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links John Welsh across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Welsh

Head · 1940 · age 42 · b. ~1898 · 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 — Cattaraugus-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02505-01047)

Line	Name	Age	Relation	Occupation	Birthplace
1	Stephen L. Fosdick	33	Head	Salesman	New York
2	Kathryn Fosdick	30	Wife	—	New York
3	Joan Fosdick	10	Daughter	—	New York
4	Sandra Fosdick	5	Daughter	—	New York
5	Anna Fosdick	62	Mother	Saleslady	New York
6	Conrad Hahn	70	Head	—	Germany
7	Matilda Hahn	76	Wife	—	Germany
8	Paul Blaske	81	Head	—	Germany
9	Amelia Blaske	76	Wife	—	Germany
10	Walter H. Woods	43	Head	Painter	New York
11	Bernice Woods	43	Wife	—	New York
12	Jane Woods	17	Daughter	—	New York
13	Nancy Ann Woods	6	Daughter	—	New York
14	John J. Welsh THIS PERSON	42	Head	Pumper	Ireland
15	Catherine Welsh	36	Wife	—	New York
16	Kathleen Welsh	12	Daughter	—	New York
17	John J. Welsh	8	Son	—	New York
18	Joseph L. Bear	30	Head	Clerk	New York
19	Esther Bear	57	Mother	—	New York
20	Bertha H. Bear	33	Sister	Teacher	New York
21	Norman Bear	24	Brother	—	New York
22	Leonard M. Bear	22	Brother	—	New York
23	Leo G. Schnell	26	Head	Mill Worker	New York
24	Norma C. Schnell	26	Wife	—	New York
25	Leeann Schnell	1	Daughter	—	New York
26	Josephine Carr	52	Mother-in-law	—	New York
27	James A. Whitman	35	Head	Treasurer	Indiana
28	Mary Whitman	30	Wife	—	New York
29	Mary Ann Whitman	4	Daughter	—	New York
30	Annette Whitman	2	Daughter	—	New York
31	Martin D. Lawler	53	Head	Watchman	New York
32	Agnes D. Lawler	50	Wife	—	New York
33	Arthur C. Fowler	56	Head	Stationary Engineer	New York
34	Ruth M. Fowler	50	Wife	—	New York
35	Grace A. Fowler	19	Daughter	—	New York
36	Ellen G. Fowler	17	Daughter	—	New York
37	Alethea Fowler	12	Daughter	—	New York
38	Raymond L. Fowler	24	Son	—	New York
39	Mary R. Fowler	19	Daughter-in-law	—	New York
40	Alodie W. Kennedy	34	Son-in-law	Truck Driver	Illinois

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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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