JD
John Delaney — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Delaney across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1887), then head of a 8-person household.
Age 53
b. ~1887
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Delaney |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | MAYWOOD VILLAGE |
| 1935 Residence (County) | COOK |
| Additional Details | |
| Occupation | Court Clerk |
| Industry | Local Govt |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 4300 |
| Highest Grade | No-8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Court Clerk |
| Township / Ward | Maywood Village |
| Est. Birth Year | ~1887 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Robert Delaney | Son | — | 18 | ~1922 |
| John Delaney | Head | — | 53 | ~1887 |
| Manohn Delaney | Son | — | 19 | ~1921 |
| William Delaney | Son | — | 16 | ~1924 |
| Thomas Delaney | Son | — | 13 | ~1927 |
| Alice Dunphy | Other | — | 75 | ~1865 |
| Raymond Delaney | Son | — | 11 | ~1929 |
| Kathline Delaney | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Cook, Illinois
Head, age 33
Cook, Illinois · implied b. ~1887 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Reporter |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 43
Cook, Illinois · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 27 |
| Father's Birthplace | New York |
| Mother's Birthplace | Illinois |
| Occupation | Manager |
| Industry | General Delivery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8,500 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 53
Cook-County, Illinois · implied b. ~1887 — 8 household members
| Surname | Delaney |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | MAYWOOD VILLAGE |
| 1935 Residence (County) | COOK |
| Occupation | Court Clerk |
| Industry | Local Govt |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 4300 |
| Highest Grade | No-8 |
| 1935 Residence | Same House |
| 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 Delaney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Delaney
Head · 1940 · age 53 · b. ~1887 · Illinois
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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
40 people indexed on this census page (nara:1940:m-t0627-00787-00891)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Arthur Jr. Beyer | 26 | Son | Sales Clerk | Illinois |
| 42 | M. Leon Hamilton | 30 | Head | Research Chemist | Indiana |
| 43 | Avilla Hamilton | 30 | Wife | — | Indiana |
| 44 | John P. Delaney THIS PERSON | 53 | Head | Court Clerk | Illinois |
| 45 | Kathline Delaney | 51 | Wife | — | Illinois |
| 46 | Manohn Delaney | 19 | Son | — | Illinois |
| 47 | Robert Delaney | 18 | Son | — | Illinois |
| 48 | William Delaney | 16 | Son | — | Illinois |
| 49 | Thomas Delaney | 13 | Son | — | Illinois |
| 50 | Raymond Delaney | 11 | Son | — | Illinois |
| 51 | Alice Dunphy | 75 | Mother Law | — | Indiana |
| 52 | Richard Webb | 38 | Head | Operator | Illinois |
| 53 | Irene B. Webb | 34 | Wife | — | Indiana |
| 54 | Patsy R. Webb | 13 | Daughter | — | Illinois |
| 55 | Verna M. Webb | 9 | Daughter | — | Illinois |
| 56 | Leonardo Alberti | 69 | Head | Jeweler | Italy |
| 57 | Olba Alberti | 57 | Wife | — | Italy |
| 58 | Thea Alberti | 30 | Daughter | Teacher | Italy |
| 59 | Furio Alberti | 29 | Son | Teacher | Mississippi |
| 60 | Nicholas Alberti | 25 | Son | Substitute Clerk-Carrier | Mississippi |
| 61 | Leonard Jr. Alberti | 14 | Son | — | Illinois |
| 62 | John P. O'Neil | 65 | Head | Timekeeper | Illinois |
| 63 | Timothy L. Wessling | 63 | Brother | — | Illinois |
| 64 | Mabel M. Wessling | 55 | Head | Registered Nurse | Illinois |
| 65 | Richard Wessling | 24 | Son | Salesman | Illinois |
| 66 | Robert Wessling | 22 | Son | Accountant | Illinois |
| 67 | Huldah Cravens | 70 | Mother | — | Illinois |
| 68 | Eric Korine | 44 | Head | Postal Clerk | Sweden |
| 69 | Agnes O. Korine | 43 | Wife | — | Illinois |
| 70 | Erica Korine | 12 | Daughter | — | Illinois |
| 71 | Don Korine | 3 | Son | — | Illinois |
| 72 | Fredrick W. Ahlers | 49 | Head | Photo Engraver | Illinois |
| 73 | Minnie Ahlers | 46 | Wife | — | Illinois |
| 74 | Fred Robert Ahlers | 22 | Son | — | Illinois |
| 75 | Margery C. Ahlers | 19 | Daughter | Comptometrist | Illinois |
| 76 | Catherine Stevens | 50 | Wife | — | Kentucky |
| 77 | Ernest Stevens | 48 | Head | Statistician Clerk | Indiana |
| 78 | Ernest G. Stevens | 19 | Son | Office Boy | Illinois |
| 79 | Ruth Stevens | 15 | Daughter | — | Illinois |
| 80 | Shirley Stevens | 10 | Daughter | — | Illinois |
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)