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John Cochran — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Queens, New York

Our Model Tree links this John Cochran across the 1920, 1930 and 1940 US Censuses in Queens, New York (XGBoost, ~Confirmed), with identified parents David & Margaret — first a son (b.~1915), then head of a 7-person household.

Age 15 b. ~1915 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationQueens, New York
SurnameCochran
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age15
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York City
Est. Birth Year~1915

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.

7 people recorded at the same address in the 1930 census.

Name Relation to head Relative to John Age Birth yr
Dorothy Cochran Daughter — 20 ~1910
Martin Cochran Head — 41 ~1889
Florence Cochran Son — 10 ~1920
John Cochran Son — 15 ~1915
Julius Cochran Son — 7 ~1923
Lester Cochran Son — 18 ~1912
Jennie Cochran Spouse — 45 ~1885

Census Appearances

1920
Queens, New …
Son, age 5
Queens, New York · implied b. ~1915 — 12 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cochran
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 5
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Mother Tongue English
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Queens, New …
Son, age 15
Queens, New York · implied b. ~1915 — 7 household members
Surname Cochran
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 15
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Queens-County, New …
Son, age 29
Queens-County, New York · implied b. ~1911 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Cochrane
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 29
Marital Status Single
Birthplace New York
1935 Residence (City) Queens Borough
1935 Residence (County) QUEENS
Occupation Carpenter
Industry Build Construction
Class of Worker PW
Hours Worked 40
Income (1939) 700
Highest Grade H 2
1935 Residence Same Place
Birth State New York
Birth Country United States
Birthplace (normalized) new york

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Model Tree available
Our Model Tree links John Cochran across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father David Cochran (~0.92 confidence) and mother Margaret Cochrane (~0.92 confidence) and mother Jennie Cochran (~0.92 confidence) and mother Maud Cochran (~0.92 confidence) and father Martin Cochran (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
David Cochran
b. ~1878
Source father
● Household · direct · ~0.92
Mother
Margaret Cochrane
b. ~1879
Source mother
● Household · direct · ~0.92
Mother
Jennie Cochran
b. ~1885
Source mother
● Household · direct · ~0.92
Mother
Maud Cochran
b. ~1888
Source mother
● Household · direct · ~0.92
Father
Martin Cochran
b. ~1889
Source father
● Household · direct · ~0.92
This person
Anchor record
John Cochran
Son · 1930 · age 15 · b. ~1915 · New York
★ You are viewing this record
Sibling
Dorothy Cochran
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Cochran
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Cochran
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Cochran
Sibling · 1930 · age 7
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

1930 US Federal Census — Queens, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1585:0977)

Line Name Age Relation Occupation Birthplace
1 Martin Cochran 41 Head Engineer New York
2 Jennie Cochran 45 Wife — New York State
3 Dorothy Cochran 20 Daughter — New York
4 Lester Cochran 18 Son — New York
5 John Cochran THIS PERSON 15 Son — New York
6 Florence Cochran 10 Son Delivery New York
7 Julius Cochran 7 Son — New York
8 William Quinn 27 Head None New York
9 Eleanor Quinn 25 Wife None California
10 Eleanor Quinn 0 Daughter None New York
11 James Ryan 50 Head Fireman New York State
12 Mary Ryan 50 Wife None New York State
13 Mary F. Ryan 26 Daughter None New York State
14 James F. Ryan 25 Son None New York State
15 George Ryan 21 Son None New York State
16 Gerald Ryan 17 Son None New York State
17 Thomas Gartland 61 Head None New York State
18 Joseph Gartland 31 Son None New York
19 John Gartland 28 Son None New York
20 Margaret Gartland 25 Daughter None New York
21 Alois Bahl 41 Head Chef Germany
22 Charlotte Bahl 37 Wife None France
23 Minnie Bahl 50 Sister None Germany
24 Margaret Reinholt 17 Niece Waiter France
25 Margaret Griffon 62 Head Telephone Oper. New York State
26 Rose Griffon 24 Daughter None New York
27 John Griffon 30 Son-in-law None New York
28 John Griffon 7 Grandson None New York
29 Margaret Haleghter 35 Daughter Salesman New York
30 Richard Haleghter 12 Grandson None New York
31 Raymond Haleghter 14 Grandson None New York
32 Charles Gustavson 41 Head Fireman Finland
33 Hilda Gustavson 41 Wife None Sweden
34 Bert Gustavson 11 Son None New York
35 John Monahan 61 Head Machinist New York
36 Annie Monahan 62 Wife None New York
37 Frank Monahan 36 Son Chauffeur New York
38 Paul Monahan 31 Son Salesman New York
39 Raymond Monahan 25 Son Salesman New York
40 Vincent Monahan 21 Son Agent New York
41 Joseph Hellenan 32 Head Lawyer New York
42 Hilda Hellenan 30 Wife None New York
43 Joseph Hellenan 3 Son None New York
44 Catherine Mcgrath 50 Head None New York State
45 Thomas Mcgrath 28 Son Worker New York
46 Agnes Mcgrath 26 Daughter Operator New York
47 Patrick Kelly 22 Nephew Clerk New York State
48 Abramo Burafranki 45 Head Porter Italy
49 Anna Burafranki 45 Wife None Italy
50 Viola Burafranki 5 Daughter Dressmaker Italy

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Pedigree Summary

John + 4 siblings
Gen 1 · 5 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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