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John Doyle — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Doyle across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & Maud — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Doyle |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Illuminating Engineer |
| Industry | Electric Co. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Illuminating Engineer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1916 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Doyle | Head | — | 60 | ~1880 |
| John Doyle | Son | — | 24 | ~1916 |
| Maud Doyle | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Cook, Illinois
Other, age 3
Cook, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | John M. |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| 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 14
Cook, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doyle |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 24
Cook-County, Illinois · implied b. ~1916 — 3 household members
| Surname | Doyle |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Illuminating Engineer |
| Industry | Electric Co. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| Highest Grade | C-4 |
| 1935 Residence | Same place |
| 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 Doyle across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Doyle (~0.92 confidence) and mother Maud Doyle (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Doyle
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Maud Doyle
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Doyle
Son · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
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
36 people indexed on this census page (nara:1940:m-t0627-01022-00956)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Raymond Ufkes | 45 | Head | Owner | Illinois |
| 42 | Eileen Ufkes | 44 | Wife | — | Illinois |
| 43 | Raymond Jr. Ufkes | 19 | Son | — | Illinois |
| 44 | Elizabeth Ufkes | 16 | Daughter | — | Illinois |
| 45 | Paul Ufkes | 7 | Son | — | Illinois |
| 46 | Line Extra | None | — | — | — |
| 47 | Leona | 33 | Head | Clerk | New York |
| 48 | Peter W. Puffer | 34 | Head | Stationary Engineer | Illinois |
| 49 | Ruth Puffer | 27 | Wife | — | Illinois |
| 50 | Joan Puffer | 7 | Daughter | — | Illinois |
| 51 | Agnes Urbana | 53 | Head | — | Illinois |
| 52 | Howard Urbana | 29 | Son | Asst. Examiner | Illinois |
| 53 | Robert Urbana | 23 | Son | Messenger | Illinois |
| 54 | Gene Urbana | 18 | Son | Office Boy | Illinois |
| 55 | Louis Schuber | 37 | Head | Linotype Operator | Illinois |
| 56 | Rosanna Schuber | 38 | Wife | — | Illinois |
| 57 | James Schuber | 5 | Son | — | Illinois |
| 58 | Amelia Fischer | 50 | Head | — | Illinois |
| 59 | Frances Harney | 30 | Daughter | — | Illinois |
| 60 | Joan Harney | 9 | Daughter | — | Illinois |
| 61 | Leah Harney | 7 | Daughter | — | Illinois |
| 62 | John J. Doyle | 60 | Head | General Foreman | Illinois |
| 63 | Maud Doyle | 57 | Wife | — | Illinois |
| 64 | John A. Doyle THIS PERSON | 24 | Son | Illuminating Engineer | Illinois |
| 65 | Jesse J. Pope | 37 | Head | Inspector | Illinois |
| 66 | Viola Pope | 34 | Wife | — | Illinois |
| 67 | Jesse Jr. Pope | 9 | Son | — | Illinois |
| 68 | Robert | 40 | Head | Fireman | Illinois |
| 69 | Helen | 36 | Wife | — | Illinois |
| 70 | William | 7 | Son | — | Illinois |
| 71 | John | 5 | Son | — | Illinois |
| 72 | Otto Huschel | 47 | Head | Caretaker | Germany |
| 73 | Margaret Huschel | 47 | Wife | — | Germany |
| 74 | Anna Huschel | 19 | Daughter | Office Worker | Germany |
| 75 | Ella Huschel | 17 | Daughter | — | Germany |
| 76 | Dorothy Huschel | 15 | Daughter | — | Illinois |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)