Margaret Mcdermott — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Kings, New York

Our Model Tree links this Margaret Mcdermott across the 1920, 1930 and 1940 US Censuses in Kings, New York (XGBoost, ~Confirmed) — first a head (b.~1854), then head of a 6-person household.

Age 66 b. ~1854 Female Head Born: New York Widowed

1920 Census Record Details

Census Year	1920
Location	Kings, New York
Surname	McDermott
Given Name	Margaret
Relationship to Head	head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	English
Additional Details
Occupation	Yes
Industry	none
Can Read	English
Can Write	Yes
Speaks English	Yes
Mother Tongue	Ireland
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Township / Ward	Borough Of Brooklyn
Est. Birth Year	~1854

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.

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

Name	Relation to head	Relative to Margaret	Age	Birth yr
Margaret Mcdermott	Head	—	66	~1854
Frank Mcdermott	Son	—	28	~1892
Ellen Mcdermott	Daughter	—	41	~1879
Katherine Mcdermott	Daughter	—	40	~1880
Carrie Mcdermott	Daughter	—	33	~1887
Jennie Mcdermott	Daughter	—	25	~1895

Census Appearances

1920

Kings, New …

Head, age 66

Kings, New York · implied b. ~1854 — 6 household members

Surname	McDermott
Given Name	Margaret
Relationship to Head	head
Sex	F
Color / Race	White
Age	66
Marital Status	Widowed
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	English
Occupation	Yes
Industry	none
Can Read	English
Can Write	Yes
Speaks English	Yes
Mother Tongue	Ireland
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Kings, New …

Other, age 76

Kings, New York · implied b. ~1854 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDermott
Given Name	Margaret
Relationship to Head	Mother
Sex	F
Color / Race	White
Age	76
Marital Status	Widowed
Birthplace	New York
Age at First Marriage	24
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Other, age 86

Kings-County, New York · implied b. ~1854 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mc Dermott
Given Name	Margaret
Relationship to Head	Mother
Sex	F
Color / Race	White
Age	86
Marital Status	Widowed
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Highest Grade	8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Margaret Mcdermott

Head · 1920 · age 66 · b. ~1854 · New York

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

Original Census Page

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

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1169unit:0749)

Line	Name	Age	Relation	Occupation	Birthplace
1	Jennie	20	daughter	Tailor	New York
2	Miguilina	30	head	Yes	Italy
3	Jessie	20	wife	Yes	Italy
4	Jennie	10	daughter	Yes	New York
5	Nanny	8	daughter	Yes	New York
6	Frank	6	son	Yes	New York
7	Thomas	4	son	Yes	New York
8	Rocco	2	son	Yes	New York
9	Salvatore	0	son	—	New York
10	Frank Adamo	32	head	Yes	Italy
11	Gussie Adamo	30	wife	Yes	Italy
12	John Adamo	8	son	Yes	New York
13	Philip Adamo	7	son	Yes	New York
14	Alfred Adamo	5	son	Yes	New York
15	Louis Trapani	33	head	Yes	Italy
16	Angelina Trapani	29	wife	Yes	Italy
17	Margaret Trapani	1	daughter	—	New York
18	John J Mcdermott	30	head	Yes	New York
19	Mary Mcdermott	25	wife	Yes	New York
20	William Mcdermott	4	son	None	New York
21	Francis Mcdermott	2	son	None	New York
22	Maud Weinfeld	44	head	Yes	Washington D.C.
23	Arthur Weinfeld	16	son	Yes	New York
24	Bertram Weinfeld	14	son	Yes	New York
25	Donald Weinfeld	12	son	Yes	New York
26	Mildred Weinfeld	9	daughter	Yes	New York
27	Margaret Mcdermott THIS PERSON	66	head	Yes	New York
28	Ellen Mcdermott	41	daughter	Yes	New York
29	Katherine Mcdermott	40	daughter	Yes	New York
30	Carrie Mcdermott	33	daughter	Yes	New York
31	Frank Mcdermott	28	son	Yes	New York
32	Jennie Mcdermott	25	daughter	Yes	New York
33	Arthur J O'Toole	36	head	Yes	England
34	Elizabeth O'Toole	38	wife	Yes	New York
35	Thomas O'Toole	11	son	Yes	New York
36	Margaret O'Toole	10	daughter	Yes	New York
37	William O'Toole	7	son	Yes	New York
38	Arthur O'Toole	2	son	None	New York
39	William Grundlach	47	head	Yes	Germany
40	Augusta Grundlach	40	wife	Yes	Germany
41	Alfred Grundlach	18	son	Yes	New York
42	William Grundlach	16	son	Yes	New York
43	Conrad Grundlach	12	son	Yes	New York
44	John Hartman	38	head	Yes	Germany
45	Matilda Hartman	28	wife	Yes	Italy
46	Walter Williams	41	head	Yes	United States
47	Georgia Williams	36	wife	Yes	New York
48	Helen Williams	12	daughter	Yes	New York
49	Arthur Williams	6	son	Yes	New York
50	Raymond Williams	5	son	None	New York

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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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