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John Crowley — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · Cook, Illinois

Our Model Tree links this John Crowley across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 9-person household.

Age 17 b. ~1913 Male Son Born: Illinois Single

1930 Census Record Details

Census Year1930
LocationCook, Illinois
SurnameCrowley
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceIllinois
Father's BirthplaceIllinois
Mother's BirthplaceIllinois
Additional Details
Can Read/WriteYes
Birth StateIllinois
Birth CountryUnited States
Birthplace (normalized)illinois
Township / WardChicago 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.

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

Name Relation to head Relative to John Age Birth yr
Willard Crowley Son — 19 ~1911
Frank Crowley Son — 10 ~1920
Betty Crowley Daughter — 11 ~1919
Margaret Crowley Daughter — 15 ~1915
Harry Crowley Son — 8 ~1922
Harry Crowley Head — 42 ~1888
Evelyn Crowley Daughter — 21 ~1909
John Crowley Son — 17 ~1913
Anna Crowley Spouse — 40 ~1890

Census Appearances

1920
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1913 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Crowley
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace Illinois
Father's Birthplace Illinois
Mother's Birthplace Illinois
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois
1930
Cook, Illinois
Son, age 17
Cook, Illinois · implied b. ~1913 — 9 household members
Surname Crowley
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace Illinois
Father's Birthplace Illinois
Mother's Birthplace Illinois
Can Read/Write Yes
Birth State Illinois
Birth Country United States
Birthplace (normalized) illinois

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.
Linked across censuses
Our Model Tree links John Crowley across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Crowley
Son · 1930 · age 17 · b. ~1913 · Illinois
★ You are viewing this record
Sibling
Willard Crowley
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Crowley
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Crowley
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Crowley
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Crowley
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Crowley
Sibling · 1930 · age 8
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 — Cook, Illinois Open full size

Page Contents

38 people indexed on this census page (ia:1930:illinoiscensus00reel431:1055)

Line Name Age Relation Occupation Birthplace
1 Frederick Curtis 23 Lodger — Illinois
2 James E. O'Hagan 26 Head Salesman Pennsylvania
3 Ann O'Hagan 27 Wife — Illinois
4 Diane O'Hagan 1 Daughter — Illinois
5 Harold B. Walker 35 Head Salesman Illinois
6 Ella Walker 42 Wife — Kentucky
7 Edward Walker 23 Step-Son Salesman Tennessee
8 Grace Davies 38 Head Dressmaker Michigan
9 Noel Davies 17 Son — Michigan
10 Donald Davies 15 Son — Michigan
11 Betty Davies 16 Daughter — Michigan
12 Jack W. Jenkins 29 Head Contractor New Zealand
13 Edna R. Jenkins 28 Wife — Pennsylvania
14 Jack H. Jenkins 4 Son — Illinois
15 Barbara J. Jenkins 0 Daughter — Illinois
16 Holden K. Kelsch 38 Head Salesman Illinois
17 Verna Kelsch 34 Wife — Minnesota
18 Charlotte Kelsch 12 Daughter — Illinois
19 Holden Kelsch 7 Son — Illinois
20 Nadine Kelsch 3 Daughter — Illinois
21 Harry Crowley 42 Head Salesman Illinois
22 Anna D. Crowley 40 Wife — Illinois
23 Willard Crowley 19 Son — Illinois
24 Evelyn Crowley 21 Daughter — Illinois
25 John Crowley THIS PERSON 17 Son — Illinois
26 Margaret Crowley 15 Daughter — Illinois
27 Betty Jane Crowley 11 Daughter — Illinois
28 Frank Crowley 10 Son — Illinois
29 Harry Crowley 8 Son — Illinois
30 John E. Mcleod 35 Head Foreman Connecticut
31 Elizabeth Mcleod 33 Wife — New York
32 John D. Mcleod 6 Son — Ohio
33 Dorothy Mcleod 3 Daughter — Illinois
34 George J. Egan 39 Head Salesman Illinois
35 Bessie Egan 38 Wife — Illinois
36 Joseph Ham 34 Head Office Manager Nebraska
37 Ruth Ham 32 Wife — Kansas
38 James Ham 13 Son — Nebraska

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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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