John Mcdonnell — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Mcdonnell across the 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 5-person household.

Age 14 b. ~1926 Male Son Born: New Jersey Single

1940 Census Record Details

Census Year	1940
Location	Hudson-County, New Jersey
Surname	McDonnell
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	New Jersey
1935 Residence (City)	Jersey City
1935 Residence (County)	Hudson
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same Place
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey
Township / Ward	Jersey City
Est. Birth Year	~1926

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.

5 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to John	Age	Birth yr
Rita Mcdonnell	Daughter	—	16	~1924
Thomas Mcdonnell	Head	—	44	~1896
Edward Mcdonnell	Son	—	9	~1931
John Mcdonnell	Son	—	14	~1926
Anna Mcdonnell	Spouse	—	42	~1898

Census Appearances

1930

Hudson, New …

Son, age 3

Hudson, New Jersey · implied b. ~1927 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McDonald
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	3
Marital Status	Single
Birthplace	New Jersey
Father's Birthplace	New York
Mother's Birthplace	New Jersey
Occupation	none
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

1940

Hudson-County, New …

Son, age 14

Hudson-County, New Jersey · implied b. ~1926 — 5 household members

Surname	McDonnell
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	14
Marital Status	Single
Birthplace	New Jersey
1935 Residence (City)	Jersey City
1935 Residence (County)	Hudson
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same Place
Birth State	New Jersey
Birth Country	United States
Birthplace (normalized)	new jersey

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mcdonnell

Son · 1940 · age 14 · b. ~1926 · New Jersey

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Sibling

Edward Mcdonnell

Sibling · 1940 · age 9

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Rita Mcdonnell

Sibling · 1940 · age 16

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 — Hudson-County, New Jersey Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02401-00523)

Line	Name	Age	Relation	Occupation	Birthplace
1	Lawrence Barry	72	Head	Foreman	New Jersey
2	Elizabeth Barry	72	Wife	—	New Jersey
3	Edward Gorecki	24	Head	Hat Blocker	New Jersey
4	Eleanor Gorecki	23	Wife	Assembler	New Jersey
5	Josephine Gorski	50	Head	—	New Jersey
6	Lillian Gorski	19	Wife	—	New Jersey
7	John Pietrazewski	27	Head	Laborer	New Jersey
8	Joan Pietrazewski	23	Wife	—	New Jersey
9	Stella Przybylowski	49	Head	—	New Jersey
10	Chester Przybylowski	25	Son	Fireman	New Jersey
11	Jean Przybylowski	23	Daughter	Operator	New Jersey
12	John Przybylowski	22	Son	Handy-Man	New Jersey
13	Alexander Przybylowski	19	Son	At. Man	New Jersey
14	Arthur Przybylowski	15	Son	—	New Jersey
15	Thomas Mcdonnell	44	Head	Park-Tender	New Jersey
16	Anna Mcdonnell	42	Wife	—	New Jersey
17	Rita Mcdonnell	16	Daughter	—	New Jersey
18	John Mcdonnell THIS PERSON	14	Son	—	New Jersey
19	Edward Mcdonnell	9	Son	—	New Jersey
20	Nina Maluga	70	Head	—	Germany
21	William Meyers	33	Head	Clerk	New Jersey
22	Bertie Meyers	38	Wife	Bookkeeper	New Jersey
23	Stanley Paris	39	Head	Painter	Poland
24	Stella Paris	41	Wife	—	Poland
25	Stella Paris	14	Daughter	—	New Jersey
26	George Johnson	42	Head	Laborer	New Jersey
27	James Brannigan	80	Head	—	New Jersey
28	George Dolan	36	Head	Chauffeur	Massachusetts
29	Catherine Dolan	27	Wife	—	New Jersey
30	George Dolan	5	Son	—	New Jersey
31	John Dolan	2	Son	—	New Jersey
32	Beatrice Dolan	1	Daughter	—	New Jersey
33	Elaine Dolan	1	Daughter	—	New Jersey
34	Daniel Corocisco	59	Head	Laborer	Italy
35	Philisia Corocisco	56	Wife	Operator	Italy
36	Theodore Corocisco	20	Son	Operator	New Jersey
37	Joseph Corocisco	17	Son	—	New Jersey
38	John Kozlowski	40	Head	Radio Mechanic	Poland
39	Catherine Kozlowski	39	Wife	—	Poland
40	Nicholina Kozlowski	14	Daughter	—	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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