JS
John Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Sweeney across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Michael & Tuttle — first a son (b.~1916), then head of a 6-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | chauffeur |
| Industry | taxi |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 400 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Chauffeur |
| Township / Ward | Chicago City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Tuttle Sweeney | Head | — | 43 | ~1897 |
| Annabelle Sweeney | Other | — | 52 | ~1888 |
| Mildred Sweeney | Other | — | 24 | ~1916 |
| Sue Sweeney | Other | — | 2 | ~1938 |
| Katherine Sweeney | Other | — | 54 | ~1886 |
| John Sweeney | Son | — | 24 | ~1916 |
Census Appearances
1920
Cook, Illinois
Other, age 4
Cook, Illinois · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John J K |
| Relationship to Head | grandson |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| 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 — 6 household members
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | chauffeur |
| Industry | taxi |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 400 |
| Highest Grade | H 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 Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Sweeney (~0.92 confidence) and father Tuttle Sweeney (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Sweeney
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Tuttle Sweeney
b. ~1897
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Sweeney
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
40 people indexed on this census page (nara:1940:m-t0627-00999-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dorothy Kent | 23 | daughter | — | Illinois |
| 42 | Gail Kent | 0 | daughter | — | Illinois |
| 43 | Conrad Stickley | 36 | Head | Maintenance | Illinois |
| 44 | Frieda Stickley | 61 | mother | — | Germany |
| 45 | Wilda Callender | 30 | sister | Mail Clerk | Illinois |
| 46 | William Callender | 2 | nephew | — | Illinois |
| 47 | Tuttle King Sweeney | 43 | Head | Stationary Fireman | Illinois |
| 48 | Katherine Sweeney | 54 | sister | — | Illinois |
| 49 | Annabelle Sweeney | 52 | sister | Billing Machine Operator | Illinois |
| 50 | John Sweeney THIS PERSON | 24 | son | Chauffeur | Illinois |
| 51 | Mildred Sweeney | 24 | daughter-in-law | — | Illinois |
| 52 | Sue Ann Sweeney | 2 | granddaughter | — | Illinois |
| 53 | Steve Mannak | 39 | Head | Pressman | Illinois |
| 54 | Lillian Mannak | 28 | wife | — | Illinois |
| 55 | Donald Mannak | 5 | son | — | Illinois |
| 56 | Paul Pinkowsky | 44 | Head | Electrician | Germany |
| 57 | Freda Pinkowsky | 43 | wife | Saleslady | Germany |
| 58 | Hildegard Pinkowsky | 20 | daughter | Stenographer | Germany |
| 59 | Roy Tefner | 44 | Head | Rate Clerk | Illinois |
| 60 | Pearl Tefner | 41 | wife | — | Illinois |
| 61 | Mellie Bratney | 70 | mother-in-law | — | Wisconsin |
| 62 | William Lurbaur | 50 | Head | Mail Handler | Illinois |
| 63 | Katherine Lurbaur | 45 | wife | — | Illinois |
| 64 | Roberta Lurbaur | 18 | daughter | Stenographer | Illinois |
| 65 | Anna Austin | 50 | Head | Custodian | United States |
| 66 | Ellen Sullivan | 59 | sister | Clerk | United States |
| 67 | Dagmar J. Stevens | 59 | Head | Clerk | Illinois |
| 68 | Lawrence Stevens | 31 | son | File Clerk | Illinois |
| 69 | Dorothy Stevens | 28 | daughter-in-law | — | Illinois |
| 70 | Albert Stevens | 6 | grandson | — | Illinois |
| 71 | Thomas Stevens | 5 | grandson | — | Illinois |
| 72 | Esther D. Moshobecker | 39 | Head | Proprietor | Illinois |
| 73 | Edward Ross | 52 | Head | Operator | Illinois |
| 74 | Rose Ross | 40 | wife | Waitress | Canada English |
| 75 | Edward Goddard | 17 | stepson | — | Illinois |
| 76 | Carl Johnson | 40 | Head | Postal Clerk | Wisconsin |
| 77 | Myrtle Johnson | 39 | wife | — | Michigan |
| 78 | Barbara Johnson | 7 | daughter | — | Illinois |
| 79 | Howard Johnson | 5 | son | — | Illinois |
| 80 | Carroll Petram | 54 | Head | Assistant Comptroller | 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)