William Dempsey — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kings-County, New York

Our Model Tree links this William Dempsey across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 6-person household.

Age 27 b. ~1913 Male Son Born: New York Single

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Dempsey
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	27
Marital Status	Single
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Occupation	Apprentice
Industry	Shipyard
Class of Worker	PW
Hours Worked	40
Income (1939)	520
Highest Grade	H-1
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Apprentice
Township / Ward	New York City
Est. Birth Year	~1913

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 William	Age	Birth yr
Edith Dempsey	Daughter	—	13	~1927
Elizabeth Dempsey	Daughter	—	17	~1923
Elizabeth Dempsey	Spouse	—	52	~1888
William Dempsey	Son	—	27	~1913
Alexander Dempsey	Head	—	53	~1887
Benjamin Troeger	Other	—	61	~1879

Census Appearances

1930

Kings, New …

Son, age 17

Kings, New York · implied b. ~1913 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dempsey
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	17
Marital Status	Single
Birthplace	New York
Father's Birthplace	Germany
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Son, age 27

Kings-County, New York · implied b. ~1913 — 6 household members

Surname	Dempsey
Given Name	William
Relationship to Head	Son
Sex	M
Color / Race	White
Age	27
Marital Status	Single
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Occupation	Apprentice
Industry	Shipyard
Class of Worker	PW
Hours Worked	40
Income (1939)	520
Highest Grade	H-1
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 William Dempsey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

William Dempsey

Son · 1940 · age 27 · b. ~1913 · New York

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Sibling

Elizabeth Dempsey

Sibling · 1940 · age 17

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Edith Dempsey

Sibling · 1940 · age 13

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

1940 US Federal Census — Kings-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02560-00106)

Line	Name	Age	Relation	Occupation	Birthplace
1	Alexander Dempsey	53	Head	Boiler Maker	Pennsylvania
2	Elizabeth Dempsey	52	Wife	—	Maryland
3	Elizabeth Dempsey	17	Daughter	—	New York
4	Edith Dempsey	13	Daughter	—	New York
5	William Dempsey THIS PERSON	27	Son	Apprentice	New York
6	Benjamin Troeger	61	Boarder	—	New York
7	Thomas Cameron	50	Head	Painter	Pennsylvania
8	Rose Cameron	42	Wife	—	New York
9	Elizabeth Cameron	20	Daughter	Packer	New York
10	John Cameron	16	Son	—	New York
11	Joseph Caffiero	38	Head	Feeder	New York
12	Lillian Caffiero	39	Wife	—	New York
13	Patrick Mccullough	46	Head	Laborer	Ireland
14	Alice Mccullough	36	Wife	—	Ireland
15	Paul Golesis	41	Head	Longshoreman	Italy
16	Salvatore Golesis	45	Roomer	Longshoreman	Italy
17	Gerald Mcdonald	28	Head	Chauffeur	New York
18	Grace Mcdonald	27	Wife	—	New York
19	Geraldine Mcdonald	9	Daughter	—	New York
20	John Mcdonald	5	Son	—	New York
21	Robert Mcdonald	2	Son	—	New York
22	Thomas Ronan	39	Head	Conductor	Ireland
23	Nora Ronan	38	Wife	—	Eire (Ireland)
24	John Ronan	11	Son	—	New York
25	James Ronan	8	Son	—	New York
26	Mary Ronan	6	Daughter	—	New York
27	Thomas Ronan	3	Son	—	New York
28	Frank Kazalski	44	Head	Semi-Fitter	New York
29	Eleanore Kazalski	37	Wife	—	New York
30	Mary Kazalski	17	Daughter	Laborer	New York
31	Frank Kazalski	15	Son	—	New York
32	Joseph Kazalski	11	Son	—	New York
33	James Kazalski	4	Son	—	New York
34	Vincenza Marcia	44	Head	—	Italy
35	Mary Marcia	23	Daughter	Feeder	New York
36	Emily Marcia	19	Daughter	—	New York
37	Sebastian Marcia	16	Son	—	New York
38	Michael Marcia	15	Son	—	New York
39	Olga Marcia	13	Daughter	—	New York
40	Katherine Marcia	9	Daughter	—	New York

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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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