John Heller — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Heller across the 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed) — first a head (b.~1889), then head of a 6-person household.

Age 51 b. ~1889 Male Head Born: Czechoslovakia Married

1940 Census Record Details

Census Year	1940
Location	Westchester-County, New York
Surname	Heller
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Czechoslovakia
1935 Residence (City)	Peekskill
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Additional Details
Income (1939)	0
Highest Grade	No 6
1935 Residence	New York
Birth Country	Czechoslovakia
Birthplace (normalized)	czechoslovakia
Township / Ward	Peekskill
Est. Birth Year	~1889

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
John Heller	Head	—	51	~1889
Elizabeth Heller	Daughter	—	19	~1921
Edward Heller	Son	—	16	~1924
Emma Heller	Daughter	—	11	~1929
John Heller	Son	—	14	~1926
Mary Heller	Spouse	—	45	~1895

Census Appearances

1930

Westchester, New …

Head, age 41

Westchester, New York · implied b. ~1889 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Heller
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	41
Marital Status	Married
Birthplace	Czechoslovakia
Naturalization Status	Naturalized
Year of Immigration	1901
Age at First Marriage	26
Father's Birthplace	Czechoslovakia
Mother's Birthplace	Czechoslovakia
Occupation	yeastmaker
Industry	Food Products
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Slovak
Home Value / Rent	O
Radio Set	5000
Veteran	No
Birth Country	Czechoslovakia
Birthplace (normalized)	czechoslovakia

1940

Westchester-County, New …

Head, age 51

Westchester-County, New York · implied b. ~1889 — 6 household members

Surname	Heller
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	51
Marital Status	Married
Birthplace	Czechoslovakia
1935 Residence (City)	Peekskill
1935 Residence (County)	Westchester
Naturalization Status	Naturalized
Income (1939)	0
Highest Grade	No 6
1935 Residence	New York
Birth Country	Czechoslovakia
Birthplace (normalized)	czechoslovakia

Model Tree

Linked across censuses

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

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This person

Anchor record

John Heller

Head · 1940 · age 51 · b. ~1889 · 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 — Westchester-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02811-00908)

Line	Name	Age	Relation	Occupation	Birthplace
41	Lillian Swartout	15	Daughter	—	New York
42	Margaret Swartout	13	Daughter	—	New York
43	Ross Jr. Swartout	10	Son	—	New York
44	John Swartout	8	Son	—	New York
45	Joseph Marr	17	Nephew	—	New York
46	John Jr. Blecker	32	Head	Electrician	New York
47	Emma Blecker	31	Wife	—	New York
48	James Blecker	9	Son	—	New York
49	John Heller THIS PERSON	51	Head	—	Czechoslovakia
50	Mary Heller	45	Wife	Laundress	Czechoslovakia
51	Edward Heller	16	Son	—	New York
52	Elizabeth Heller	19	Daughter	Laundress	New York
53	John Heller	14	Son	—	New York
54	Emma Heller	11	Daughter	—	New York
55	Roy Pearson	24	Head	Riveter	New York
56	Ida Pearson	22	Wife	—	New York
57	Roy Jr. Pearson	1	Son	—	New York
58	Richard Pearson	30	Head	Chauffeur	New York
59	Elizabeth Pearson	32	Wife	—	New York
60	Richard Jr. Pearson	10	Son	—	New York
61	Anthony Mascolino	27	Head	Counterman	New York
62	Josephine Mascolino	24	Wife	—	New York
63	Amelia Mascolino	3	Daughter	—	New York
64	Joanne Mascolino	0	Daughter	—	New York
65	Constant Ranza	23	Bro-in-law	Sales Clerk	New York
66	Rita Ranza	21	Sister-in-law	Machine Operater	New York
67	Josephine Ranza	51	Mother-in-law	Bottle Filler	New York
68	Of End	None	BLOCK	—	—
69	Frank Heller	34	Head	Laborer	New York
70	Wilma Heller	34	Wife	—	Czechoslovakia
71	Frank Jr. Heller	7	Son	—	New York
72	Robert Heller	5	Son	—	New York
73	Dorothy Heller	2	Daughter	—	New York
74	Paul F. Korn	29	Head	Motion Picture Projectionist	New York
75	Emma M. Korn	27	Wife	—	New York
76	Albee Korn	5	Son	—	New York
77	Gerard Korn	3	Son	—	New York
78	Martin Ostergren	37	Head	Ed. Advisor	Iowa
79	Ebba Ostergren	35	Wife	—	New York
80	Eileen Ostergren	5	Daughter	—	Wisconsin

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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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