JW
James Whalen — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Whalen across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Whalen |
| Given Name | James T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Bus Driver |
| Industry | Chicago Motor Bus |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 420 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bus Driver |
| Township / Ward | Chicago |
| Est. Birth Year | ~1900 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Frances Whalen | Spouse | — | 28 | ~1912 |
| Patricia Whalen | Daughter | — | 5 | ~1935 |
| John Whalen | Son | — | 3 | ~1937 |
| James Whalen | Head | — | 40 | ~1900 |
| Rita Whalen | Daughter | — | ~1940 | |
| William Whalen | Son | — | 5 | ~1935 |
| James Whalen | Son | — | 6 | ~1934 |
| Mary Whalen | Daughter | — | 8 | ~1932 |
Census Appearances
1930
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Whalen |
| Given Name | James T |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Conductor |
| Industry | City Cars |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | No |
| Veteran | 55 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 40
Cook-County, Illinois · implied b. ~1900 — 8 household members
| Surname | Whalen |
| Given Name | James T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Bus Driver |
| Industry | Chicago Motor Bus |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 420 |
| Highest Grade | Hs 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 James Whalen across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Whalen
Head · 1940 · age 40 · b. ~1900 · 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
40 people indexed on this census page (nara:1940:m-t0627-00994-00663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Judith Schwartz | 3 | Daughter | — | Illinois |
| 2 | Frank Larkin | 43 | Head | Restaurant Business | Illinois |
| 3 | Anne Larkin | 26 | Wife | — | Illinois |
| 4 | Fred Sikora | 31 | Head | Stockman | Illinois |
| 5 | Virginia Sikora | 24 | Wife | — | Illinois |
| 6 | Gloria Sikora | 1 | Daughter | — | Illinois |
| 7 | Reinhart Forester | 52 | Head | Photo Engraver | Wisconsin |
| 8 | Florence Forester | 52 | Wife | — | Illinois |
| 9 | Herbert Burke | 31 | Lodger | Electric Engineer | Illinois |
| 10 | Ruth Burke | 23 | Daughter | — | Illinois |
| 11 | Ester Racine | 55 | Head | Cook | Illinois |
| 12 | Florence Racine | 29 | Daughter | Computer Operator | Illinois |
| 13 | Harry Anderson | 59 | Lodger | Printer | Illinois |
| 14 | Cora Anderson | 45 | Lodger | — | Illinois |
| 15 | Howard Anderson | 17 | Lodger | — | Illinois |
| 16 | Peter Mcerlean | 37 | Head | Plumber | Northern Ireland |
| 17 | Helen Mcerlean | 37 | Wife | — | Irish Free State |
| 18 | John Mcerlean | 13 | Son | — | Illinois |
| 19 | William Mcerlean | 10 | Son | — | Illinois |
| 20 | Peter Doyle | 54 | Lodger | Mail Clerk | Irish Free State |
| 21 | Leo Plummann | 62 | Head | — | Germany |
| 22 | Theresa Plummann | 61 | Wife | — | Germany |
| 23 | William Plummann | 31 | Son | — | Germany |
| 24 | William Bowler | 68 | Head | — | Illinois |
| 25 | Agnes Bowler | 66 | Wife | — | Illinois |
| 26 | Richard Bowler | 30 | Son | Water Pipe Extension | Illinois |
| 27 | Joseph Bowler | 22 | Son | — | Illinois |
| 28 | Frank Cantalupo | 29 | Head | Draftsman | Illinois |
| 29 | Mildred Cantalupo | 27 | Wife | — | Illinois |
| 30 | Joan Cantalupo | 5 | Daughter | — | Illinois |
| 31 | Lois Cantalupo | 4 | Daughter | — | Illinois |
| 32 | James T. Whalen THIS PERSON | 40 | Head | Bus Driver | Illinois |
| 33 | Frances Whalen | 28 | Wife | — | Illinois |
| 34 | Mary M. Whalen | 8 | Daughter | — | Illinois |
| 35 | James T. Jr. Whalen | 6 | Son | — | Illinois |
| 36 | William Whalen | 5 | Son | — | Illinois |
| 37 | Patricia Whalen | 5 | Daughter | — | Illinois |
| 38 | John J. Whalen | 3 | Son | — | Illinois |
| 39 | Rita R. Whalen | 0 | Daughter | — | Illinois |
| 40 | John Mclaughlin | 36 | Head | Welder Laborer | Scotland |
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)