Mary Welsh — 1940 US Census Record

Linked across censuses

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

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

Age 80 b. ~1860 Female Head Born: Scotland Widowed

1940 Census Record Details

Census Year	1940
Location	Onondaga-County, New York
Surname	Welsh
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Marcellus Village
1935 Residence (County)	Onondaga
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Marcellus Village
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 Mary	Age	Birth yr
Agnes Welsh	Daughter	—	47	~1893
Sarah Welsh	Daughter	—	40	~1900
Mary Welsh	Head	—	80	~1860

Census Appearances

1930

Onondaga, New …

Head, age 71

Onondaga, New York · implied b. ~1859 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welsh
Given Name	Mary S.
Relationship to Head	Head
Sex	F
Color / Race	White
Age	71
Marital Status	Widowed
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1888
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Radio Set	R
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Onondaga-County, New …

Head, age 80

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

Surname	Welsh
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Marcellus Village
1935 Residence (County)	Onondaga
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	8
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Welsh

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 — Onondaga-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02704-00794)

Line	Name	Age	Relation	Occupation	Birthplace
41	John Keegan	78	Brother-in-law	—	New York
42	Mary Keegan	72	Sister	—	New York
43	Patrick Kilcoyne	74	Head	Inspector	Scotland
44	Margaret Kilcoyne	72	Wife	—	New York
45	Winifred Kilcoyne	41	Daughter	Stenographer	New York
46	Margaret Jr. Kilcoyne	32	Daughter	Comptometer Operator	New York
47	James Lanning	75	Head	Laborer	England
48	Pearl Parsons	44	Daughter	Beauty Shop	New York
49	Pauline Parsons	20	Granddaughter	—	New York
50	Albert Carl	81	Head	—	New York
51	Eva Carl	77	Wife	—	New York
52	Louis Austin	43	Head	Janitor	New York
53	Mabel Austin	43	Wife	—	New York
54	Ana Janet Austin	16	Daughter	—	New York
55	Lucille Austin	14	Daughter	—	New York
56	Kenneth Austin	12	Son	—	New York
57	Richard Austin	6	Son	—	New York
58	Geraldine Austin	1	Daughter	—	New York
59	George Austin	69	Head	Mill Rite	New York
60	Elizabeth Austin	68	Wife	—	New York
61	George Wing	64	Head	Night Watchman	Canada English
62	Bertha Wing	60	Wife	—	New York
63	Donald Wing	30	Son	Salesman	New York
64	John Steel	34	Head	Electrical Engineer	New York
65	Evelyn Steel	22	Wife	—	Canada English
66	Dolores Steel	2	Daughter	—	New York
67	Arthur Schangle	38	Head	Overseer	New York
68	Hazel Schangle	32	Wife	—	Canada English
69	Gloria Schangle	7	Daughter	—	New York
70	Mary Lou Schangle	5	Daughter	—	New York
71	Philip Schangle	5	Son	—	New York
72	George Schangle	4	Son	—	New York
73	Rachel Roger	64	Head	—	Canada English
74	Mary Roger	65	Sister	—	Canada English
75	William Roger	60	Brother	Washer	Canada English
76	John Roger	55	Brother	Weaver	Canada English
77	Ethel Welsh	56	Sister	—	Canada English
78	Mary Welsh THIS PERSON	80	Head	—	Scotland
79	Agnes Welsh	47	Daughter	Bookkeeper	New York
80	Sarah Welsh	40	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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