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Thomas Donnelly — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Westchester, New York

Our Model Tree links this Thomas Donnelly across the 1910 and 1920 US Censuses in Westchester, New York (XGBoost, ~Confirmed) — first a son (b.~1902), then head of a 8-person household.

Age 18 b. ~1902 Male Son Born: New York Single

1920 Census Record Details

Census Year	1920
Location	Westchester, New York
Surname	Donnelly
Given Name	Thomas
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Additional Details
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Yonkers City
Est. Birth Year	~1902

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.

8 people recorded at the same address in the 1920 census.

Name	Relation to head	Relative to Thomas	Age	Birth yr
John Donnelly	Son	—	15	~1905
Arthur Donnelly	Son	—	11	~1909
Mary Donnelly	Spouse	—	50	~1870
William Donnelly	Son	—	13	~1907
Thomas Donnelly	Son	—	18	~1902
James Donnelly	Son	—	21	~1899
Mildred Donnelly	Daughter	—	6	~1914
James Donnelly	Head	—	56	~1864

Census Appearances

1910

Westchester, New …

Son, age 8

Westchester, New York · implied b. ~1902 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Donnelly
Given Name	Thomas P.
Relationship to Head	Son
Sex	M
Color / Race	White
Age	8
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1920

Westchester, New …

Son, age 18

Westchester, New York · implied b. ~1902 — 8 household members

Surname	Donnelly
Given Name	Thomas
Relationship to Head	Son
Sex	M
Color / Race	White
Age	18
Marital Status	Single
Birthplace	New York
Father's Birthplace	New York
Mother's Birthplace	New York
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

Our Model Tree links Thomas Donnelly across 2 US Census years (1910 and 1920) in Westchester, New York, using XGBoost record linkage.

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This person

Anchor record

Thomas Donnelly

Son · 1920 · age 18 · b. ~1902 · New York

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Sibling

William Donnelly

Sibling · 1920 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Mildred Donnelly

Sibling · 1920 · age 6

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

James Donnelly

Sibling · 1920 · age 21

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

John Donnelly

Sibling · 1920 · age 15

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Arthur Donnelly

Sibling · 1920 · age 11

Source co-child of head (derived)

● Co-child · derived · ~0.88

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

Original Census Page

1920 US Federal Census — Westchester, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1280unit:0487)

Line	Name	Age	Relation	Occupation	Birthplace
1	Ada M Mulligan	20	Daughter	Bookkeeper	New York
2	Timothy Monahan	54	Head	Laborer	Ireland
3	Mary Monahan	53	Wife	—	Ireland
4	Cornelius Monahan	19	Son	Typewriter	New York
5	James Monahan	17	Son	Office Boy	New York
6	Agnes Monahan	13	Daughter	—	New York
7	Julia Monahan	10	Daughter	—	New York
8	David Davis	48	Head	Patrolman	England
9	Matilda Davis	46	Wife	—	England
10	Emily M Davis	20	Daughter	Stenographer	New York
11	Gertrude Davis	15	Daughter	—	New York
12	David Davis	12	Son	—	New York
13	Patrick Donnell	41	Head	Patrolman	Ireland
14	Alice Donnell	30	Wife	—	Ireland
15	Mary Donnell	10	Daughter	—	New York
16	Alice Donnell	8	Daughter	—	New York
17	Agnes Donnell	6	Daughter	—	New York
18	Elizabeth Hall	52	Head	—	Ireland
19	James Hall	26	Son	Stenographer	New York
20	Elizabeth C Hall	21	Daughter	Accountant	New York
21	James Lee	32	Head	Laborer	New York
22	Mary Lee	30	Wife	—	Connecticut
23	Dorothy Lee	11	Daughter	—	New York
24	Mildred Lee	8	Daughter	—	New York
25	Frank Lee	6	Son	—	New York
26	Peter Connelly	50	Head	Machine Hand	New York
27	Catherine Connelly	50	Wife	—	New York
28	Edward Connelly	25	Son	Salesman	New York
29	Catherine Connelly	23	Daughter	Operator	New York
30	Helen Connelly	17	Daughter	—	New York
31	William Darmody	70	Head	Carpenter	New York
32	Elizabeth Darmody	70	Wife	—	England
33	Maria Darmody	45	Daughter	—	New York
34	James Donnelly	56	Head	Clerk	New York
35	Mary Donnelly	50	Wife	—	Germany
36	James Donnelly	21	Son	—	New York
37	Thomas Donnelly THIS PERSON	18	Son	—	New York
38	John Donnelly	15	Son	—	New York
39	William Donnelly	13	Son	—	New York
40	Arthur Donnelly	11	Son	—	New York
41	Mildred Donnelly	6	Daughter	—	New York
42	Margaret Carroll	51	Head	—	Massachusetts
43	Mary Carroll	25	Daughter	Teacher	New York
44	Daisy Carroll	22	Daughter	Stenographer	New York
45	George Mcquillan	41	Head	Barber	New York
46	Mary Mcquillan	36	Wife	—	New York
47	George Mcquillan	17	Son	Bookkeeper	New York
48	Thomas Mcquillan	12	Son	File Clerk	New York
49	John Mcquillan	4	Son	—	New York
50	John Lucally	41	Boarder	Iron Pipe	Ireland

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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