JB
John Barrett — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Barrett across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 14-person household.
Age 15
b. ~1915
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago 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.
14 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Barrett | Daughter | — | ~1930 | |
| Catherine Barrett | Daughter | — | 11 | ~1919 |
| Mary Barrett | Daughter | — | 17 | ~1913 |
| Helen Barrett | Daughter | — | 13 | ~1917 |
| Thomas Barrett | Head | — | 53 | ~1877 |
| Thomas Barrett | Son | — | 22 | ~1908 |
| John Barrett | Son | — | 15 | ~1915 |
| Edward Barrett | Son | — | 5 | ~1925 |
| Robert Barrett | Son | — | 9 | ~1921 |
| Richard Barrett | Son | — | 3 | ~1927 |
| James Barrett | Son | — | 19 | ~1911 |
| Joseph Barrett | Son | — | 1 | ~1929 |
| William Barrett | Son | — | 7 | ~1923 |
| Mary Barrett | Spouse | — | 47 | ~1883 |
Census Appearances
1920
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 15
Cook, Illinois · implied b. ~1915 — 14 household members
| Surname | Barrett |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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.
Our Model Tree links John Barrett across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Barrett
Son · 1930 · age 15 · b. ~1915 · Illinois
★ You are viewing this record
Sibling
Catherine Barrett
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Barrett
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Barrett
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Barrett
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Barrett
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Barrett
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Barrett
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Barrett
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Barrett
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Barrett
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Barrett
Sibling · 1930 · age 19
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
1930 US Federal Census — Cook, Illinois
Page Contents
47 people indexed on this census page (ia:1930:illinoiscensus00reel469:0532)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 51 | John Mulligan | 30 | Head | Illinois |
| 52 | Genevieve Mulligan | 22 | Wife | Illinois |
| 53 | Evelyn Mulligan | 1 | Daughter | Illinois |
| 54 | Adeline Mulligan | 0 | Daughter | Illinois |
| 55 | Jack Mulligan | 0 | Son | Illinois |
| 56 | Helen Mulligan | 25 | Sister | Illinois |
| 57 | Carter Larusso | 40 | Head | Italy |
| 58 | Virginia Larusso | 38 | Wife | Italy |
| 59 | Anthony Larusso | 17 | Son | Illinois |
| 60 | Lucy Larusso | 15 | Daughter | Illinois |
| 61 | Joseph Larusso | 11 | Son | Illinois |
| 62 | Rose Larusso | 9 | Daughter | Illinois |
| 63 | Helen Larusso | 7 | Daughter | Illinois |
| 64 | Carter Larusso | 4 | Son | Illinois |
| 65 | Frank Larusso | 41 | Head | Italy |
| 66 | Mary Larusso | 38 | Wife | Italy |
| 67 | George Larusso | 16 | Son | Illinois |
| 68 | Frank Larusso | 14 | Son | Illinois |
| 69 | Carmella Larusso | 12 | Daughter | Illinois |
| 70 | Sam Larusso | 10 | Son | Illinois |
| 71 | Thomas Barrett | 53 | Head | Illinois |
| 72 | Mary Barrett | 47 | Wife | Illinois |
| 73 | Thomas Jr. Barrett | 22 | Son | Illinois |
| 74 | James Barrett | 19 | Son | Illinois |
| 75 | Mary Barrett | 17 | Daughter | Illinois |
| 76 | John Barrett THIS PERSON | 15 | Son | Illinois |
| 77 | Helen Barrett | 13 | Daughter | Illinois |
| 78 | Catherine Barrett | 11 | Daughter | Illinois |
| 79 | Robert Barrett | 9 | Son | Illinois |
| 80 | William Barrett | 7 | Son | Illinois |
| 81 | Edward Barrett | 5 | Son | Illinois |
| 82 | Richard Barrett | 3 | Son | Illinois |
| 83 | Joseph Barrett | 1 | Son | Illinois |
| 84 | Margaret Barrett | 0 | Daughter | Illinois |
| 85 | Joseph Vignola | 50 | Head | Italy |
| 86 | Mary Vignola | 45 | Wife | Italy |
| 87 | Michael Vignola | 23 | Son | Illinois |
| 88 | Anna Vignola | 21 | Daughter | Illinois |
| 89 | Joseph Vignola | 20 | Son | Illinois |
| 90 | Nicholas Vignola | 18 | Son | Illinois |
| 91 | Albert Vignola | 16 | Son | Illinois |
| 92 | Louis Vignola | 14 | Son | Illinois |
| 93 | Angeline Vignola | 12 | Daughter | Illinois |
| 94 | Eugene Vignola | 5 | Son | Illinois |
| 95 | Josephine Vignola | 3 | Daughter | Illinois |
| 96 | Rose Vignola | 1 | Daughter | Illinois |
| 97 | Mary Vignola | 0 | Daughter | Illinois |
Related Census Records
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)