Margaret Hamilton — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Union-County, New Jersey

Our Model Tree links this Margaret Hamilton across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 4-person household.

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

1940 Census Record Details

Census Year	1940
Location	Union-County, New Jersey
Surname	Hamilton
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Roselle
1935 Residence (County)	Union
Naturalization Status	Naturalized
Additional Details
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Roselle
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.

4 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Margaret	Age	Birth yr
Margaret Hamilton	Daughter	—	43	~1897
Margaret Hamilton	Head	—	80	~1860
David Hamilton	Son	—	42	~1898
William Hamilton	Son	—	51	~1889

Census Appearances

1920

Union, New …

Head, age 59

Union, New Jersey · implied b. ~1861 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	59
Marital Status	Widowed
Birthplace	Scotland
Year of Immigration	1910
Naturalization Status	Alien
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Scotch
Home Owned/Rented	R
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Union, New …

Other, age 69

Union, New Jersey · implied b. ~1861 — 12 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hamilton
Given Name	Margaret
Relationship to Head	H
Sex	F
Color / Race	White
Age	69
Marital Status	Widowed
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1910
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	O
Home Value / Rent	6000
Radio Set	R
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Union-County, New …

Head, age 80

Union-County, New Jersey · implied b. ~1860 — 4 household members

Surname	Hamilton
Given Name	Margaret
Relationship to Head	Head
Sex	F
Color / Race	White
Age	80
Marital Status	Widowed
Birthplace	Scotland
1935 Residence (City)	Roselle
1935 Residence (County)	Union
Naturalization Status	Naturalized
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

Our Model Tree links Margaret Hamilton 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 Hamilton

Head · 1940 · age 80 · b. ~1860 · New Jersey

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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 — Union-County, New Jersey Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02388-00545)

Line	Name	Age	Relation	Occupation	Birthplace
41	Richard Brown	32	Head	Bill Clerk	New York
42	Ruth Brown	29	Wife	—	New York
43	Ruth Brown	6	Daughter	—	New York
44	Patricia Brown	3	Daughter	—	New Jersey
45	Charles W. Frank	57	Head	Stationary Engineer	New York
46	Anna S. Frank	52	Wife	—	New York
47	William White	43	Head	Brakeman	New Jersey
48	Helen White	43	Wife	—	New Jersey
49	William Jr. White	18	Son	—	New Jersey
50	Robert White	12	Son	—	New Jersey
51	John Goodwin	44	Head	Fitter	England
52	Julia Goodwin	44	Wife	—	England
53	Robert Goodwin	19	Son	Car-Cleaner	England
54	Stanley Douglas	39	Boarder	Carpenter	England
55	Isabel Douglas	31	Boarder	Waitress	England
56	Eileen Douglas	2	Boarder	—	New Jersey
57	Margaret Hamilton THIS PERSON	80	Head	—	Scotland
58	William Hamilton	51	Son	Shield-Maker	Scotland
59	David Hamilton	42	Son	Machinist	Scotland
60	Margaret Hamilton	43	Daughter	Saleslady	Scotland
61	William H. Hanna	38	Head	Teacher	New Jersey
62	Caroline H. Hanna	52	Wife	Interior	New Jersey
63	Alice Alexander	32	Lodger	—	Canada
64	Martin W. Bayer	58	Head	Machinist	Poland
65	Matilda Bayer	49	Wife	—	Poland
66	Matilda Bayer	24	Daughter	Waitress	Pennsylvania
67	Walter Bayer	22	Son	Machinist	Pennsylvania
68	Joseph Bayer	15	Son	—	Pennsylvania
69	Raymond Freshman	31	Head	Private Secretary	New Jersey
70	Violet Freshman	28	Wife	—	New Jersey
71	Violet Freshman	7	Daughter	—	New Jersey
72	John Freshman	5	Son	—	New Jersey
73	Raymond Jr. Freshman	1	Son	—	New Jersey
74	Joseph Cook	63	Head	—	New Jersey
75	Anthony Lehman	37	Head	Painter	New Jersey
76	Helen Lehman	36	Wife	Presser	New Jersey
77	Paul Lehman	11	Son	—	New Jersey
78	Cordelia Lehman	9	Daughter	—	New Jersey
79	Edward J. Allston	41	Head	Cost Analyst	Washington D.C.
80	Marie F. Allston	36	Wife	—	Maryland

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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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