William Sweeney — 1940 US Census Record

Model Tree available

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

Our Model Tree links this William Sweeney across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Thomas & Mary — first a head (b.~1900), then head of a 4-person household.

Age 40 b. ~1900 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Hudson-County, New Jersey
Surname	Sweeney
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	New York
1935 Residence (City)	JERSEY CITY
1935 Residence (County)	HUDSON
Additional Details
Occupation	Fireman
Industry	City
Class of Worker	GW
Hours Worked	42
Income (1939)	3000
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Fireman
Township / Ward	Jersey City
Est. Birth Year	~1900

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 William	Age	Birth yr
William Sweeney	Head	—	40	~1900
Anna Kehoe	Other	—	65	~1875
William Sweeney	Son	—	11	~1929
Regina Sweeney	Spouse	—	36	~1904

Census Appearances

1920

Bergen, New …

Son, age 19

Bergen, New Jersey · implied b. ~1901 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sweeney
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	19
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

1930

Hudson, New …

Head, age 30

Hudson, New Jersey · implied b. ~1900 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Sweeney
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	New York
Age at First Marriage	28
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Mason
Industry	General
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Hudson-County, New …

Head, age 40

Hudson-County, New Jersey · implied b. ~1900 — 4 household members

Surname	Sweeney
Given Name	William
Relationship to Head	Head
Sex	M
Color / Race	White
Age	40
Marital Status	Married
Birthplace	New York
1935 Residence (City)	JERSEY CITY
1935 Residence (County)	HUDSON
Occupation	Fireman
Industry	City
Class of Worker	GW
Hours Worked	42
Income (1939)	3000
Highest Grade	Hs 4
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Model Tree available

Our Model Tree links William Sweeney across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Thomas Sweeney (~0.92 confidence) and mother Mary Sweeney (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Thomas Sweeney

b. ~1875

Source father

● Household · direct · ~0.92

Mother

Mary Sweeney

b. ~1880

Source mother

● Household · direct · ~0.92

This person

Anchor record

William Sweeney

Head · 1940 · age 40 · b. ~1900 · New Jersey

★ You are viewing this record

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

Original Census Page

1940 US Federal Census — Hudson-County, New Jersey Open full size

Page Contents

26 people indexed on this census page (nara:1940:m-t0627-02406-00323)

Line	Name	Age	Relation	Occupation	Birthplace
1	Veronica Stone	20	Daughter	Clerk	New Jersey
2	Kathleen Stone	18	Daughter	Packer	New Jersey
3	Eileen Stone	17	Daughter	—	New Jersey
4	John Stone	15	Son	—	New Jersey
5	Michael Stone	26	Head	Machanic	New Jersey
6	Marrian Stone	22	Wife	—	New Jersey
7	John Stone	4	Son	—	New Jersey
8	William Mueller	44	Head	Paint Chemist	Germany
9	Margaret Mueller	43	Wife	—	New York
10	Charlotte Mueller	15	Daughter	—	New York
11	Ruth Mueller	12	Daughter	—	New Jersey
12	William Sweeney THIS PERSON	40	Head	Fireman	New York
13	Regina Sweeney	36	Wife	—	New York
14	William Sweeney	11	Son	—	New York
15	Anna Kehoe	65	Mother in law	—	New York
16	Charles Rielly	50	Head	Laborer	New Jersey
17	Gertrude Rielly	50	Wife	—	New Jersey
18	Elenor Weiss	3	Ward	—	New Jersey
19	Robert Weiss	2	Ward	—	New Jersey
20	Martin Olsen	47	Head	Welder	Wisconsin
21	Mary Olsen	36	Wife	—	New York
22	Martin Olsen	16	Son	—	New York
23	Lillian Olsen	12	Daughter	—	Chicago
24	Richard Olsen	9	Son	—	New Jersey
25	William Rengel	22	Head	Butcher	New Jersey
26	Elinor Rengel	23	Wife	—	New Jersey

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Pedigree Summary

William

Gen 1 · 2 parents ~0.92

Max depth 4 (1900–1950 window)

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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