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John Maguire — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Maguire across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 8-person household.
Age 31
b. ~1899
Male
Son
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Maguire |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1899 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Maguire | Daughter | — | 22 | ~1908 |
| Rose Maguire | Daughter | — | 20 | ~1910 |
| Irene Maguire | Daughter | — | 18 | ~1912 |
| Alice Maguire | Daughter | — | 10 | ~1920 |
| John Maguire | Son | — | 31 | ~1899 |
| Philip Maguire | Son | — | 16 | ~1914 |
| Alice Maguire | Spouse | — | 48 | ~1882 |
| John Maguire | Head | — | 58 | ~1872 |
Census Appearances
1920
Cook, Illinois
Son, age 21
Cook, Illinois · implied b. ~1899 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maguire |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Repairman |
| Industry | Auto Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 31
Cook, Illinois · implied b. ~1899 — 8 household members
| Surname | Maguire |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 24 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Automobiles |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| 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 Maguire across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Maguire
Son · 1930 · age 31 · b. ~1899 · Illinois
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Sibling
Irene Maguire
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Maguire
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Maguire
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Maguire
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Maguire
Sibling · 1930 · 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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel462:0478)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Lappin | 36 | Head | Baker | Sweden |
| 2 | Nellie Lappin | 45 | Wife | — | English Canadian |
| 3 | Mabel Busch | 17 | Daughter | — | Illinois |
| 4 | Mary Parker | 30 | Lodger | Waitress | Illinois |
| 5 | Bernard Mieling? | 60 | Head | Mailman | Illinois |
| 6 | Mary J. Mieling? | 56 | Wife | — | Illinois |
| 7 | Evelyn A. Mieling? | 25 | Daughter | Stenographer | Illinois |
| 8 | Katherine E. Mieling? | 22 | Daughter | Stenographer | Illinois |
| 9 | Elizabeth M. Mieling? | 20 | Daughter | Stenographer | Illinois |
| 10 | Cornelius J. Courtin | 59 | Head | Mail Carrier | Irish Free State |
| 11 | Margaret Courtin | 56 | Wife | — | Illinois |
| 12 | Daniel Bowman | 30 | Head | Mechanic | Illinois |
| 13 | Mercedes Bowman | 27 | Wife | — | Illinois |
| 14 | Robert L. Bowman | 7 | Daughter | — | Illinois |
| 15 | Ada Montrose | 65 | Head | — | New York |
| 16 | Lina Davis | 34 | Lodger | — | Illinois |
| 17 | Ivan Davis | 36 | Lodger | Guard | Illinois |
| 18 | Lee Starrett | 49 | Head | Watchman | New York |
| 19 | Lulah Starrett | 57 | Wife | — | Kentucky |
| 20 | Horace C. Fisher | 23 | Stepson | Bookkeeper | Illinois |
| 21 | John B. Maguire | 58 | Head | Plumber | Illinois |
| 22 | Alice Maguire | 48 | Wife | — | Illinois |
| 23 | John F. Maguire THIS PERSON | 31 | Son | Salesman | Illinois |
| 24 | Ruth Maguire | 22 | Daughter | — | Illinois |
| 25 | Rose Maguire | 20 | Daughter | — | Illinois |
| 26 | Irene Maguire | 18 | Daughter | — | Illinois |
| 27 | Philip Maguire | 16 | Son | — | Illinois |
| 28 | Alice Maguire | 10 | Daughter | — | Illinois |
| 29 | Walter Dettman | 59 | Head | Cab Driver | Germany |
| 30 | Marie Dettman | 57 | Wife | — | Illinois |
| 31 | Alice M. Dettman | 22 | Daughter | — | Illinois |
| 32 | Raymond F. Mcguire | 52 | Head | Mail Clerk | Illinois |
| 33 | Margaret Mcguire | 53 | Wife | — | Illinois |
| 34 | Jane P. Mcguire | 18 | Son | Train Clerk | Illinois |
| 35 | Raymond Jr. Mcguire | 15 | Son | — | Illinois |
| 36 | Michael Mckenna | 35 | Head | Rooming House | Irish Free State |
| 37 | Michael Kennedy | 34 | Boarder | Laborer | Irish Free State |
| 38 | Jack Mckenna | 34 | Boarder | Plasterer | Irish Free State |
| 39 | Thomas Mckenna | 33 | Boarder | Laborer | Irish Free State |
| 40 | John Moriarty | 25 | Boarder | Machinist | Irish Free State |
| 41 | Tom Carlyone | 40 | Boarder | Bridge Tender | Irish Free State |
| 42 | Raymond Keown | 27 | Boarder | Ironworker | Irish Free State |
| 43 | Catherine Pashay | 75 | Head | Rooming House | Germany |
| 44 | Annie Pashay | 44 | Daughter | Case Stringer | Illinois |
| 45 | Ernest Warth | 56 | Lodger | Foreman | Illinois |
| 46 | William Hayes | 39 | Lodger | Painter | Kentucky |
| 47 | Charles B. Goldsmith | 27 | Lodger | Plasterer | Illinois |
| 48 | Pearl Goldsmith | 32 | Lodger | — | Illinois |
| 49 | Alice Anderson | 51 | Lodger | — | Kentucky |
| 50 | William Spanky | 67 | Lodger | — | Illinois |
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)