Mary Welsh — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Westchester, New York

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

Age 10 b. ~1920 Female Daughter Born: New York Single

1930 Census Record Details

Census Year	1930
Location	Westchester, New York
Surname	Welsh
Given Name	Mary J
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	10
Marital Status	Single
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Additional Details
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Yonkers City
Est. Birth Year	~1920

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 1930 census.

Name	Relation to head	Relative to Mary	Age	Birth yr
Peter Welsh	Head	—	60	~1870
Mary Welsh	Daughter	—	10	~1920
Catherine Welsh	Other	—	50	~1880

Census Appearances

1920

Westchester, New …

Daughter, age

Westchester, New York · implied b. ~1920 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Walsh
Given Name	Mary J.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	0
Marital Status	Single
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Mother Tongue	English
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Westchester, New …

Daughter, age 10

Westchester, New York · implied b. ~1920 — 3 household members

Surname	Welsh
Given Name	Mary J
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	10
Marital Status	Single
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Mary Welsh across 2 US Census years (1920 and 1930) in Westchester, New York, using XGBoost record linkage.

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This person

Anchor record

Mary Welsh

Daughter · 1930 · age 10 · b. ~1920 · New York

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Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — Westchester, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1667:0906)

Line	Name	Age	Relation	Occupation	Birthplace
1	Leo Divney	26	Son	Clerk	New York
2	Raymond Divney	21	Son	Typist	New York
3	George Divney	29	Son	Laborer	New York
4	James Welsh	39	Head	Laborer	New York
5	Margaret Welsh	36	Wife-H	—	New York
6	William Lacey	40	Head	Printer	New York
7	Margaret Lacey	38	Wife-H	—	New York
8	Elizabeth Lacey	13	Daughter	—	New York
9	Margaret Lacey	12	Daughter	—	New York
10	Catherine Lacey	9	Daughter	—	New York
11	James Laughlin	45	Head	Pipefitter	Ireland
12	Margaret Laughlin	45	Wife-H	—	New York
13	Thomas Laughlin	7	Son	—	New York
14	John Laughlin	6	Son	—	New York
15	Joseph Laughlin	3	Son	—	New York
16	Peter Laughlin	11	Son	—	New York
17	James Jr Laughlin	13	Son	—	New York
18	Margaret Laughlin	15	Daughter	—	New York
19	Catherine Laughlin	17	Daughter	—	New York
20	Anna Laughlin	18	Daughter	—	New York
21	Mildred Laughlin	5	Daughter	—	New York
22	Mary Laughlin	0	Daughter	—	New York
23	Thomas Ryan	53	Head	Laborer	New York
24	Mary Ryan	53	Wife-H	—	Ireland
25	Margaret Ryan	22	Daughter	Stenographer	New York
26	Dorothy Ryan	20	Daughter	—	New York
27	Joseph Ryan	17	Son	Office Boy	New York
28	Raymond Ryan	14	Son	—	New York
29	Mary Maher	55	Head-H	—	England
30	Frank Maher	22	Son	—	New York
31	Margaret Maher	27	Daughter	Fitter	New York
32	Robert Maher	16	Son	—	New York
33	Peter Welsh	60	Head	Laborer	Ireland
34	Catherine Welsh	50	Wife-H	—	Ireland
35	Mary J Welsh THIS PERSON	10	Daughter	—	New York
36	Bridget Whelan	50	Head-H	—	Ireland
37	John Whelan	30	Son	Undertaker	New York
38	Thomas Whelan	28	Son	Printer	New York
39	Michael Whelan	18	Son	Electrician	New York
40	Helen Whelan	20	Daughter	Operator	New York
41	Bridget Curry	42	Head-H	Picker	New York
42	Margaret Curry	39	Sister	Picker	New York
43	John Braner	46	Head	Laborer	Czecho Slovakia
44	Veronica Braner	46	Wife-H	—	Czecho Slovakia
45	Frank Braner	22	Son	Salesman	New York
46	John Braner	20	Son	Laborer	New York
47	Margaret Braner	18	Daughter	Laborer	New York
48	Lillie Braner	16	Daughter	Salesgirl	New York
49	Josephine Braner	14	Daughter	Office Girl	New York
50	Arlene Braner	10	Daughter	—	New York

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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