Mary Welch — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Welch across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 3-person household.

Age 58 b. ~1882 Female Head Born: SCOTLAND Widowed

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	WELCH
Given Name	MARY
Relationship to Head	HEAD
Sex	F
Color / Race	White
Age	58
Marital Status	Widowed
Birthplace	SCOTLAND
1935 Residence (City)	NEW YORK
1935 Residence (County)	NEW YORK
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	Hs 4
1935 Residence	SAME HOUSE
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	New York
Est. Birth Year	~1882

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
Mary Welch	Head	—	58	~1882
William Mcneely	Other	—	36	~1904
Harold Welch	Son	—	28	~1912

Census Appearances

1920

New York, …

Spouse, age 38

New York, New York · implied b. ~1882 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1899
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

New York, …

Spouse, age 48

New York, New York · implied b. ~1882 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Welch
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	48
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1889
Age at First Marriage	26
Father's Birthplace	Massachusetts
Mother's Birthplace	United States
Can Read/Write	Yes
Mother Tongue	Scotch
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

New-York-County, New …

Head, age 58

New-York-County, New York · implied b. ~1882 — 3 household members

Surname	WELCH
Given Name	MARY
Relationship to Head	HEAD
Sex	F
Color / Race	White
Age	58
Marital Status	Widowed
Birthplace	SCOTLAND
1935 Residence (City)	NEW YORK
1935 Residence (County)	NEW YORK
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	Hs 4
1935 Residence	SAME HOUSE
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

Mary Welch

Head · 1940 · age 58 · b. ~1882 · 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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02650-00824)

Line	Name	Age	Relation	Occupation	Birthplace
1	Helena Buckley	18	HEAD	Nya Clerical Wk	NEW YORK
2	Nora Buckley	16	SISTER	Nya Inspector	NEW YORK
3	Kathleen Buckley	15	SISTER	—	NEW YORK
4	John Buckley	13	SON	—	NEW YORK
5	Sergei Holm S.	54	HEAD	Tool & Die Maker	RUSSIA
6	Maria Holm S.	47	WIFE	Embroiderer	RUSSIA
7	Mary Duke	27	HEAD	—	IRISH FREE STATE
8	Harriet Duke	6	DAUGHTER	—	NEW YORK
9	George Duke	5	SON	—	NEW YORK
10	Michael Mcgee	44	HEAD	Freight Handler	IRISH FREE STATE
11	Mary Mcgee	45	WIFE	—	IRISH FREE STATE
12	Mary Mcgee	5	DAUGHTER	—	NEW YORK
13	Mathew Mcgee	3	SON	—	NEW YORK
14	Helene Mcgee	25	DAUGHTER	—	NEW YORK
15	Mary Welch THIS PERSON	58	HEAD	—	SCOTLAND
16	Harold Welch	28	SON	Salesman	NEW YORK
17	William Mcneely	36	COUSIN	Office Worker	VERMONT
18	John Clancy	65	HEAD	Freight Handler	IRISH FREE STATE
19	Mary Clancy	36	WIFE	—	IRISH FREE STATE
20	Bridget Clancy	11	DAUGHTER	—	NEW YORK
21	John Clancy	8	SON	—	NEW YORK
22	Kathleen Clancy	7	DAUGHTER	—	NEW YORK
23	Peter Clancy	4	SON	—	NEW YORK
24	Clyde Hook	29	HEAD	Painter	SOUTH CAROLINA
25	Helen Hook	27	WIFE	—	NEW JERSEY
26	George Hook	7	SON	—	NEW YORK
27	Roy Hook	6	SON	—	NEW YORK
28	John Flynn	32	HEAD	Laborer	IRISH FREE STATE
29	Mary Flynn	27	WIFE	—	IRISH FREE STATE
30	Joan Flynn	4	DAUGHTER	—	NEW YORK
31	Annie Ogrady	35	HEAD	Laundress	IRISH FREE STATE
32	Winifred Ogrady	13	DAUGHTER	—	NEW YORK
33	Patrick Ogrady	10	SON	—	NEW YORK
34	Helen Grogan	32	HEAD	—	NEW YORK
35	Albert Grogan	11	SON	—	NEW YORK
36	Catherine Grogan	9	DAUGHTER	—	NEW YORK
37	Elizabeth Grogan	3	DAUGHTER	—	NEW YORK
38	Pedro Domena	42	HEAD	Cigar Maker	PUERTO RICO
39	Carmen Domena	23	WIFE	—	PUERTO RICO
40	John Domena	16	SON	—	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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