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Joseph Sullivan — 1920 US Census Record

Linked across censuses

1920 United States Federal Census · Cook, Illinois

Our Model Tree links this Joseph Sullivan across the 1910 and 1920 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1910), then head of a 12-person household.

Age 10 b. ~1910 Male Son Born: New York Single

1920 Census Record Details

Census Year1920
LocationCook, Illinois
SurnameSullivan
Given NameJoseph
Relationship to HeadSon
SexM
Color / RaceWhite
Age10
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardChicago
Est. Birth Year~1910

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.

12 people recorded at the same address in the 1920 census.

Name Relation to head Relative to Joseph Age Birth yr
Catherine Sullivan Daughter — 12 ~1908
Alice Sullivan Daughter — 14 ~1906
Helen Sullivan Daughter — 4 ~1916
Margaret Sullivan Daughter — 16 ~1904
Patrick Sullivan Head — 50 ~1870
Joseph Sullivan Son — 10 ~1910
Francis Sullivan Son — 6 ~1914
James Sullivan Son — 20 ~1900
William Sullivan Son — 18 ~1902
Robert Sullivan Son — 8 ~1912
John Sullivan Son — 22 ~1898
Mary Sullivan Spouse — 48 ~1872

Census Appearances

1910
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1908 — 12 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Sullivan
Given Name Joseph
Relationship to Head Son
Sex M
Color / Race White
Age 2
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read No
Can Write No
Speaks English No
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Cook, Illinois
Son, age 10
Cook, Illinois · implied b. ~1910 — 12 household members
Surname Sullivan
Given Name Joseph
Relationship to Head Son
Sex M
Color / Race White
Age 10
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English Yes
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.
Linked across censuses
Our Model Tree links Joseph Sullivan across 2 US Census years (1910 and 1920) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Sullivan
Son · 1920 · age 10 · b. ~1910 · Illinois
★ You are viewing this record
Sibling
Francis Sullivan
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Sullivan
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Sullivan
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sullivan
Sibling · 1920 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Sullivan
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Sullivan
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Sullivan
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Sullivan
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sullivan
Sibling · 1920 · age 22
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

1920 US Federal Census — Cook, Illinois Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu961unit:0924)

Line Name Age Relation Occupation Birthplace
51 John Higgins 42 Head Machinist New York
52 Mary Higgins 40 Wife — New York
53 John Higgins 18 Son Agent New York
54 James Higgins 16 Son Clerk New York
55 Helen Higgins 14 Daughter — New York
56 Margaret Higgins 12 Daughter — New York
57 Alice Higgins 10 Daughter — New York
58 William Higgins 8 Son — New York
59 Robert Higgins 6 Son — New York
60 Francis Higgins 4 Son — New York
61 Catherine Higgins 2 Daughter — New York
62 Joseph Higgins 0 Son — New York
63 Thomas O'Brien 45 Head Laborer New York
64 Mary O'Brien 42 Wife — England
65 Thomas O'Brien 18 Son Laborer New York
66 John O'Brien 16 Son — New York
67 William O'Brien 14 Son — New York
68 James O'Brien 12 Son — New York
69 Margaret O'Brien 10 Daughter — New York
70 Alice O'Brien 8 Daughter — New York
71 Patrick Sullivan 50 Head Laborer Ireland
72 Mary Sullivan 48 Wife — Ireland
73 John Sullivan 22 Son Laborer New York
74 James Sullivan 20 Son Laborer New York
75 William Sullivan 18 Son — New York
76 Margaret Sullivan 16 Daughter — New York
77 Alice Sullivan 14 Daughter — New York
78 Catherine Sullivan 12 Daughter — New York
79 Joseph Sullivan THIS PERSON 10 Son — New York
80 Robert Sullivan 8 Son — New York
81 Francis Sullivan 6 Son — New York
82 Helen Sullivan 4 Daughter — New York
83 John Murphy 42 Head Machinist New York
84 Mary Murphy 40 Wife — New York
85 John Murphy 18 Son Clerk New York
86 James Murphy 16 Son — New York
87 William Murphy 14 Son — New York
88 Margaret Murphy 12 Daughter — New York
89 Alice Murphy 10 Daughter — New York
90 Catherine Murphy 8 Daughter — New York
91 Joseph Murphy 6 Son — New York
92 Robert Murphy 4 Son — New York
93 Francis Murphy 2 Son — New York
94 Helen Murphy 0 Daughter — New York
95 — None — — —
96 — None — — —
97 — None — — —
98 — None — — —
99 — None — — —
100 — None — — —

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About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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