WM
William Mcguire — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this William Mcguire across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 11
b. ~1919
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McGuire |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 | ~1919 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Maryann Mcguire | Daughter | — | 7 | ~1923 |
| William Mcguire | Son | — | 11 | ~1919 |
| Jean Mcguire | Daughter | — | 9 | ~1921 |
| Robert Mcguire | Son | — | 14 | ~1916 |
| James Mcguire | Head | — | 43 | ~1887 |
| Donald Mcguire | Son | — | 15 | ~1915 |
| Edna Mcguire | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGuire |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 11
Cook, Illinois · implied b. ~1919 — 7 household members
| Surname | McGuire |
| Given Name | William A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| 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 William Mcguire across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcguire
Son · 1930 · age 11 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Maryann Mcguire
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mcguire
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Mcguire
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Mcguire
Sibling · 1930 · age 9
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:illinoiscensus00reel444:0911)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Herman Ziemer | 53 | Head | Car Repair | Germany |
| 2 | Minnie Ziemer | 49 | Wife | — | Germany |
| 3 | Louis W. Welden | 32 | Head | Fireman | Illinois |
| 4 | Lillian Welden | 29 | Wife | — | Illinois |
| 5 | Louis Jr. Welden | 3 | Son | — | Illinois |
| 6 | Pearl Welden | 1 | Daughter | — | Illinois |
| 7 | James A. Mcguire | 43 | Head | Salesman | Illinois |
| 8 | Edna L. Mcguire | 42 | Wife | — | Illinois |
| 9 | Donald J. Mcguire | 15 | Son | — | Illinois |
| 10 | Robert B. Mcguire | 14 | Son | — | Illinois |
| 11 | William A. Mcguire THIS PERSON | 11 | Son | — | Illinois |
| 12 | Jean A. Mcguire | 9 | Daughter | — | Illinois |
| 13 | Maryann F. Mcguire | 7 | Daughter | — | Illinois |
| 14 | John W. Griffin | 42 | Head | Bookkeeper | Illinois |
| 15 | Irene Griffin | 38 | Wife | — | Illinois |
| 16 | James A. Griffin | 13 | Son | — | Illinois |
| 17 | Mary F. Griffin | 9 | Daughter | — | Illinois |
| 18 | Thomas J. Griffin | 5 | Son | — | Illinois |
| 19 | John A. Griffin | 2 | Son | — | Illinois |
| 20 | Agnes T. Griffin | 1 | Daughter | — | Illinois |
| 21 | John Wolf | 24 | Boarder | Laborer | Irish Free State |
| 22 | Jeremiah J. Mullaney | 56 | Head | Manager | Ireland |
| 23 | Estell M. Mullaney | 47 | Wife | — | Missouri |
| 24 | John J. Mullaney | 21 | Son | Timekeeper | Illinois |
| 25 | Florence J. Mullaney | 14 | Daughter | — | Illinois |
| 26 | Charles T. Hall | 42 | Head | Conductor | Illinois |
| 27 | Mable E. Hall | 42 | Wife | — | Illinois |
| 28 | Kenneth C. Hall | 15 | Son | — | Illinois |
| 29 | Marion C. Hall | 13 | Daughter | — | Illinois |
| 30 | Edmond Hall | 11 | Son | — | Illinois |
| 31 | James W. Shewan | 45 | Brother-in-law | — | Illinois |
| 32 | Nancy Mcfarland | 60 | Head | — | Ireland |
| 33 | Elizabeth M. Mcfarland | 38 | Daughter | — | Illinois |
| 34 | James F. Mcfarland | 35 | Son | Electrician | Illinois |
| 35 | Eleanor Mcfarland | 32 | Daughter | Secretary | Illinois |
| 36 | Teresa Mcfarland | 28 | Daughter | Bookkeeper | Illinois |
| 37 | Frances Mcfarland | 27 | Daughter | Teacher | Illinois |
| 38 | David J. Mccarty | 63 | Head | Examiner | Irish Free State |
| 39 | Catherine M. Mccarty | 52 | Wife | — | Irish Free State |
| 40 | Marie C. Mccarty | 24 | Daughter | Stenographer | Illinois |
| 41 | Martin G. Peterson | 44 | Head | Photo Engraver | Denmark |
| 42 | Pauline M. Peterson | 41 | Wife | — | Germany |
| 43 | Marie Katenstein | 48 | Mother-in-law | Housework | Germany |
| 44 | Nicholas J. Reidy | 30 | Head | Officer | Illinois |
| 45 | Irene G. Reidy | 26 | Wife | — | Illinois |
| 46 | Mary E. Reidy | 5 | Daughter | — | Illinois |
| 47 | Nicholas Jr. Reidy | 3 | Son | — | Illinois |
| 48 | Elizabeth G. Kealey | 49 | Aunt | Bookkeeper | Illinois |
| 49 | Richard J. Killoran | 24 | Brother-in-law | Teacher | Illinois |
| 50 | Joseph Petruzelka | 45 | Head | Operator | New York |
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)