JC
John Coyle — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Coyle across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | COYLE |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1926 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ralph Coyle | Son | — | 18 | ~1922 |
| Rita Coyle | Daughter | — | 10 | ~1930 |
| Robert Coyle | Son | — | 17 | ~1923 |
| Raymond Coyle | Son | — | 23 | ~1917 |
| Edward Coyle | Son | — | 20 | ~1920 |
| Frank Coyle | Head | — | 48 | ~1892 |
| Martha Coyle | Spouse | — | 45 | ~1895 |
| John Coyle | Son | — | 14 | ~1926 |
| Dolores Coyle | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Cook, Illinois
Son, age 3
Cook, Illinois · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Coyle |
| Given Name | John R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Wisconsin |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 9 household members
| Surname | COYLE |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago city |
| 1935 Residence (County) | Cook |
| Hours Worked | 5 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Illinois |
| 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 Coyle across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Coyle
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Dolores Coyle
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Coyle
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Coyle
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Coyle
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Coyle
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Coyle
Sibling · 1940 · age 10
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
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00947-00013)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Ladewski | 39 | Wife | — | Illinois |
| 2 | Edward, Jr. Ladewski | 5 | Son | — | Illinois |
| 3 | Theodore Ladewski | 1 | Son | — | Illinois |
| 4 | John N. Fyrala | 57 | Head | Night Watchman | Poland |
| 5 | Frances Fyrala | 51 | Wife | — | Poland |
| 6 | Edward Fyrala | 26 | Son | Postal Clerk | Illinois |
| 7 | Dorothy Fyrala | 23 | Daughter | — | Illinois |
| 8 | Alfred Buchman | 46 | Head | 9 | Illinois |
| 9 | John Lelko | 46 | Head | Proprietor | Poland |
| 10 | Agnes Lelko | 42 | Wife | — | Poland |
| 11 | Irene Lelko | 17 | Daughter | — | Illinois |
| 12 | Michael Strus | 23 | Lodger | Laborer | Illinois |
| 13 | Macha Szczygiel | 41 | Lodger | Steam Opera- Hammerer | Poland |
| 14 | Frank E. Coyle | 48 | Head | Cement Mixing | Illinois |
| 15 | Martha Coyle | 45 | Wife | — | Wisconsin |
| 16 | Raymond Coyle | 23 | Son | Paint Filler | Illinois |
| 17 | Edward Coyle | 20 | Son | 28 | Illinois |
| 18 | Ralph Coyle | 18 | Son | 17 | Illinois |
| 19 | Robert Coyle | 17 | Son | — | Illinois |
| 20 | John Coyle THIS PERSON | 14 | Son | — | Illinois |
| 21 | Dolores Coyle | 12 | Daughter | — | Illinois |
| 22 | Rita Coyle | 10 | Daughter | — | Illinois |
| 23 | Hugo S. Bloedel | 42 | Head | Minister | Illinois |
| 24 | Ruth Bloedel | 41 | Wife | — | Illinois |
| 25 | Lois Bloedel | 17 | Daughter | — | Wisconsin |
| 26 | Hugo D. Bloedel | 16 | Son | — | Michigan |
| 27 | Donald Bloedel | 14 | Son | — | Michigan |
| 28 | Marion Bloedel | 13 | Daughter | — | Michigan |
| 29 | Ruth Bloedel | 7 | Daughter | — | Illinois |
| 30 | Allen Bloedel | 3 | Son | — | Illinois |
| 31 | John Podobny | 31 | Head | Pressman | Czechoslovakia |
| 32 | Anna Podobny | 32 | Wife | — | Missouri |
| 33 | Rose Marie Podobny | 10 | Daughter | — | Illinois |
| 34 | Valentine Basso | 37 | Head | Proprietor Bar-Tavern | Virginia |
| 35 | Anthony Viscovy | 37 | Brother-in-law | Bartender | Italy |
| 36 | Catherine Viscovy | 35 | Sister | — | Italy |
| 37 | George Viscovy | 11 | Nephew | — | Italy |
| 38 | Mario Viscovy | 2 | Nephew | — | Illinois |
| 39 | Joseph Noszczygiel | 46 | Head | Proprietor Shoe Repairer | Poland |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)