John Mccormack — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 6-person household.

Age 53 b. ~1887 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	New-York-County, New York
Surname	McCormack
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	New York
Naturalization Status	Naturalized
Additional Details
Occupation	Laborer
Industry	Elect. Construction
Class of Worker	PW
Hours Worked	40
Income (1939)	1400
Highest Grade	No 6
1935 Residence	Same House
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Laborer
Township / Ward	New York City
Est. Birth Year	~1887

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 John	Age	Birth yr
Ellen Mccormack	Daughter	—	21	~1919
Catherine Mccormack	Daughter	—	23	~1917
Margaret Mccormack	Spouse	—	47	~1893
Joseph Mccormack	Son	—	19	~1921
John Mccormack	Head	—	53	~1887
James Mccormack	Son	—	17	~1923

Census Appearances

1920

New York, …

Head, age 30

New York, New York · implied b. ~1890 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Mc Cormack
Given Name	John Jr.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	30
Marital Status	Married
Birthplace	Ireland
Father's Birthplace	Ireland
Mother's Birthplace	New York
Occupation	Broker
Industry	Stocks
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Irish
Home Owned/Rented	O
Home Free/Mortgaged	M
Birth Country	Ireland
Birthplace (normalized)	ireland

1930

New York, …

Head, age 42

New York, New York · implied b. ~1888 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McCormack
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	42
Marital Status	Married
Birthplace	Ireland
Naturalization Status	Naturalized
Year of Immigration	1907
Age at First Marriage	32
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Fireman
Industry	N.Y.F.D.
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	45
Radio Set	R
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

New-York-County, New …

Head, age 53

New-York-County, New York · implied b. ~1887 — 6 household members

Surname	McCormack
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	53
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	New York City
1935 Residence (County)	New York
Naturalization Status	Naturalized
Occupation	Laborer
Industry	Elect. Construction
Class of Worker	PW
Hours Worked	40
Income (1939)	1400
Highest Grade	No 6
1935 Residence	Same House
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mccormack

Head · 1940 · age 53 · b. ~1887 · New York

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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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02633-00890)

Line	Name	Age	Relation	Occupation	Birthplace
1	John Mccormack THIS PERSON	53	Head	Laborer	Ireland
2	Margaret Mccormack	47	Wife	—	New York
3	Catherine Mccormack	23	Daughter	—	New York
4	Ellen Mccormack	21	Daughter	Secretary	New York
5	Joseph Mccormack	19	Son	Clerk	New York
6	James Mccormack	17	Son	New Worker	New York
7	Mary J. Kennedy	46	Head	—	New York
8	Thomas Rush	46	Head	Waiter	New York
9	Anna Rush	44	Wife	—	New York
10	Marie Rush	23	Daughter	Clerk	New York
11	Thomas Rush	21	Son	Secretary	New York
12	John Rush	13	Son	—	New York
13	Salvator Catragno	48	Head	Elevator Opp.	Italy
14	Bertha Catragno	43	Wife	—	Austria
15	Michael Catragno	22	Son	Truck Driver'S Helper	New York
16	John Catragno	21	Son	Truck Driver'S Helper	New York
17	Edgar Catragno	18	Son	New Worker	New York
18	Fred Naef	47	Head	Salesman	New York
19	Caroline Naef	43	Wife	—	New York
20	Fred Naef	19	Son	Clerk	New York
21	John Huemmer	39	Head	Chauffeur	New York
22	Anna Huemmer	38	Wife	—	New York
23	Winnie Huemmer	18	Daughter	New Worker	New York
24	John Huemmer	12	Son	—	New York
25	James Smith	52	Head	Bookkeeper	Mass.
26	Thomas Walsh	20	Nephew	New Worker	New York
27	William Walsh	18	Nephew	New Worker	New York
28	Jack Zwicker	55	Head	Superintendent	New York
29	Anna Zwicker	48	Wife	—	New York
30	John Zwicker	18	Son	New Worker	New York
31	Frank Zwicker	16	Son	New Worker	New York
32	Mable Thompson	53	Lodger	—	New York
33	Thomas Brown	28	Head	Bell Boy	Mass.
34	Teresa Brown	30	Wife	—	New York
35	Thomas Brown	3	Son	—	New York
36	Thomas Jordan	56	Head	Book	New York
37	Elizabeth Jordan	56	Wife	—	New York
38	Anna Henry	19	Head	New Worker	New York
39	Joseph Crescuolo	36	Head	Linotype	New York
40	Estelle Crescuolo	35	Wife	Linotype	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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