Margaret Simpson — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Margaret Simpson across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 6-person household.

Age 52 b. ~1888 Female Spouse Born: England Married

1940 Census Record Details

Census Year	1940
Location	Mercer-County, New Jersey
Surname	Simpson
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	England
1935 Residence (City)	Trenton City
1935 Residence (County)	Mercer
Naturalization Status	First papers filed
Additional Details
Income (1939)	0
Highest Grade	6
1935 Residence	Same place
Birth Country	England
Birthplace (normalized)	england
Township / Ward	Trenton City
Est. Birth Year	~1888

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 1940 census.

Name	Relation to head	Relative to Margaret	Age	Birth yr
Esther Simpson	Daughter	—	20	~1920
Earnest Simpson	Son	—	13	~1927
Thomas Liversage	Other	—	79	~1861
Earnest Simpson	Head	—	51	~1889
Margaret Simpson	Spouse	—	52	~1888
Thomas Simpson	Son	—	23	~1917

Census Appearances

1920

Mercer, New …

Spouse, age 31

Mercer, New Jersey · implied b. ~1889 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Simpson
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	31
Marital Status	Married
Birthplace	England
Year of Immigration	1916
Naturalization Status	Alien
Father's Birthplace	England
Mother's Birthplace	England
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	England
Birthplace (normalized)	england

1930

Mercer, New …

Other, age 42

Mercer, New Jersey · implied b. ~1888 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Simpson
Given Name	Margaret
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	42
Marital Status	Married
Birthplace	England
Naturalization Status	Naturalized
Year of Immigration	1915
Age at First Marriage	27
Father's Birthplace	England
Mother's Birthplace	England
Can Read/Write	Yes
Birth Country	England
Birthplace (normalized)	england

1940

Mercer-County, New …

Spouse, age 52

Mercer-County, New Jersey · implied b. ~1888 — 6 household members

Surname	Simpson
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	52
Marital Status	Married
Birthplace	England
1935 Residence (City)	Trenton City
1935 Residence (County)	Mercer
Naturalization Status	First papers filed
Income (1939)	0
Highest Grade	6
1935 Residence	Same place
Birth Country	England
Birthplace (normalized)	england

Model Tree

Linked across censuses

Our Model Tree links Margaret Simpson 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 Simpson

Spouse · 1940 · age 52 · b. ~1888 · 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 — Mercer-County, New Jersey Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-02356-00456)

Line	Name	Age	Relation	Occupation	Birthplace
41	Bridget Bird	81	Head	—	Irish Free State
42	Walter Bird	27	Son	Clerk	New Jersey
43	Gertrude Bird	26	Daughter	Nurse	New Jersey
44	Edward Griel	42	Head	Truck Driver	New Jersey
45	Lillian Griel	34	Wife	—	New Jersey
46	George Slayback	42	Head	Labor	New Jersey
47	Anna Slayback	37	Wife	—	New Jersey
48	George Slayback	7	Son	—	New Jersey
49	William Slayback	3	Son	—	New Jersey
50	William Catwright	52	Head	Carpenter	New Jersey
51	Rosina Catwright	57	Wife	—	New Jersey
52	William Catwright	18	Son	—	New Jersey
53	Amedo Silvani	53	Head	Fly Setter	Italy
54	Mary Silvani	47	Wife	—	New Jersey
55	Antony Silvani	19	Son	Labor	New Jersey
56	Leroy Silvani	14	Son	—	New Jersey
57	Eleanor Rehder	23	Daughter	Machine Inspector	New Jersey
58	James Rehder	3	Grandson	—	New Jersey
59	Clarence Auston	64	Head	Laborer	New York
60	Elizabeth Auston	57	Wife	—	New York
61	John Auston	14	Son	—	New Jersey
62	John Maguire	62	Head	Labor	New Jersey
63	Sarah Maguire	59	Wife	—	New Jersey
64	Sarah Maguire	27	Daughter	—	New Jersey
65	Dominick Frank	42	Son-in-law	Chas. Repair	New Jersey
66	Myrtle Frank	34	Daughter	—	New Jersey
67	Naoma Frank	12	Grandchild	—	New Jersey
68	Evelyn Frank	11	Grandchild	—	New Jersey
69	Earnest Simpson	51	Head	Labor	England
70	Margaret Simpson THIS PERSON	52	Wife	—	England
71	Thomas Simpson	23	Son	Draftsman	New Jersey
72	Esther Simpson	20	Daughter	—	New Jersey
73	Earnest Simpson	13	Son	—	New Jersey
74	Thomas Liversage	79	Father-in-law	—	England
75	Augusta Mazzoni	61	Head	—	Italy
76	Virginia Mazzoni	56	Wife	—	Italy
77	Americo Mazzoni	40	Son	Ass. Foreman	Pennsylvania
78	Arthur Dorety	44	Head	Press Man	New Jersey

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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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