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William Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Whalen across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Whalen |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Order Checker |
| Industry | Mail Order House |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 196 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Order Checker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1922 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Whalen | Son | — | 18 | ~1922 |
| Patrick Whalen | Son | — | 17 | ~1923 |
| Estelle Whalen | Spouse | — | 39 | ~1901 |
| William Whalen | Head | — | 43 | ~1897 |
| Richard Whalen | Son | — | 13 | ~1927 |
| Edna Whalen | Daughter | — | 21 | ~1919 |
Census Appearances
1930
Cook, Illinois
Son, age 8
Cook, Illinois · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| 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 |
1940
Cook-County, Illinois
Son, age 18
Cook-County, Illinois · implied b. ~1922 — 6 household members
| Surname | Whalen |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Order Checker |
| Industry | Mail Order House |
| Class of Worker | PW |
| Hours Worked | 4 |
| Income (1939) | 196 |
| Highest Grade | Hs 3 |
| 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 William Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Whalen
Son · 1940 · age 18 · b. ~1922 · Illinois
★ You are viewing this record
Sibling
Patrick Whalen
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Whalen
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Whalen
Sibling · 1940 · age 21
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
33 people indexed on this census page (nara:1940:m-t0627-00972-00356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Goldie Ramirez | 48 | Head | — | Tennessee |
| 2 | Maria Fernandez | 22 | Daughter | Wrapper | Illinois |
| 3 | Michael Dooseman | 37 | Lodger | Wagon Loader | Mexico |
| 4 | John Smeltzer | 49 | Head | Maintenance Man | Texas |
| 5 | Nora Smeltzer | 47 | Wife | — | Texas |
| 6 | Bethell Smeltzer | 20 | Daughter | New Worker | Texas |
| 7 | Charles Smeltzer | 14 | Son | — | Illinois |
| 8 | James Smeltzer | 9 | Son | — | Illinois |
| 9 | Willie Joseph Saubut | 57 | Lodger | Assistant Cook | Illinois |
| 10 | Joseph H. Lavka | 62 | Lodger | Laborer | Illinois |
| 11 | William Whalen | 43 | Head | Section Foreman | Illinois |
| 12 | Estelle Whalen | 39 | Wife | — | Illinois |
| 13 | Edna Whalen | 21 | Daughter | Coil Roller | Illinois |
| 14 | William Jr. Whalen THIS PERSON | 18 | Son | Order Checker | Illinois |
| 15 | Patrick Whalen | 17 | Son | — | Illinois |
| 16 | Richard Whalen | 13 | Son | — | Illinois |
| 18 | Peter Dulowik | 54 | Head | Dish Washer | Poland |
| 19 | Mary Dulowik | 46 | Wife | — | Poland |
| 20 | Frank Dulowik | 18 | Son | — | Wisconsin |
| 21 | Anna Dulowik | 17 | Daughter | — | Illinois |
| 22 | Dorothy Kotetz | 45 | Lodger | Upholsterer | Poland |
| 23 | Peter Minehan | 61 | Head | Laborer | Illinois |
| 24 | Kate Minehan | 72 | Sister | — | Illinois |
| 25 | Samuel Cosine | 11 | Son | — | Illinois |
| 27 | Margaret Stevenson | 45 | Head | — | Illinois |
| 28 | Evelyn C. Stevenson | 25 | Daughter | Stenographer | Illinois |
| 29 | Elmore A. Stevenson | 19 | Son | Truck Driver | Illinois |
| 30 | Harold J. Stevenson | 17 | Son | New Worker | Illinois |
| 31 | Harold Boy | 18 | Son | Waiter | Illinois |
| 33 | Jene Strocchia | 34 | Head | Laborer | Illinois |
| 34 | Alice Strocchia | 31 | Wife | — | Wisconsin |
| 35 | Paul Strocchia | 11 | Son | — | Illinois |
| 36 | John Strocchia | 9 | Son | — | 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)