JG
James Gleason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this James Gleason across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 7-person household.
Age 22
b. ~1918
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Gleason |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | stock clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stock Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1918 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Gleason | Son | — | 22 | ~1918 |
| Loretta Gleason | Daughter | — | 24 | ~1916 |
| Patrick Gleason | Head | — | 68 | ~1872 |
| Mary Gleason | Spouse | — | 68 | ~1872 |
| Francis Gleason | Daughter | — | 32 | ~1908 |
| John Gleason | Son | — | 27 | ~1913 |
| Alice Gleason | Daughter | — | 34 | ~1906 |
Census Appearances
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gleason |
| Given Name | James W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 22
Cook-County, Illinois · implied b. ~1918 — 7 household members
| Surname | Gleason |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | stock clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 600 |
| Highest Grade | H-4 |
| 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 James Gleason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Gleason
Son · 1940 · age 22 · b. ~1918 · Illinois
★ You are viewing this record
Sibling
Francis Gleason
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loretta Gleason
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Gleason
Sibling · 1940 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Gleason
Sibling · 1940 · age 27
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
40 people indexed on this census page (nara:1940:m-t0627-00953-00123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernice Ahrens | 32 | wife | — | Illinois |
| 2 | Phyllis Ahrens | 10 | daughter | — | Illinois |
| 3 | Marjorie Ahrens | 11 | daughter | — | Illinois |
| 4 | Mary Jeffrey | 39 | Head | Waitress | Eire |
| 5 | Michael Jeffrey | 19 | son | New Worker | Illinois |
| 6 | Marie Jeffrey | 14 | daughter | — | Illinois |
| 7 | Michael Jeffrey | 10 | son | — | Illinois |
| 8 | Josephine Jeffrey | 6 | daughter | — | Illinois |
| 9 | Thomas Kilmartin | 45 | Head | Bartender | Eire |
| 10 | Catherine Kilmartin | 43 | wife | — | Eire |
| 11 | Thomas Kilmartin | 19 | son | Laborer | Illinois |
| 12 | Mary Kilmartin | 19 | daughter | New Worker | Illinois |
| 13 | Daniel Kilmartin | 17 | son | — | Illinois |
| 14 | John Kilmartin | 12 | son | — | Illinois |
| 15 | Stanley Petkus | 24 | Head | Laborer | Illinois |
| 16 | Helen Petkus | 21 | wife | Stringer | Illinois |
| 17 | Lorraine Petkus | 4 | daughter | — | Illinois |
| 18 | Edward Flanigan | 55 | Head | Janitor | Illinois |
| 19 | Florence Flanigan | 49 | wife | — | Illinois |
| 20 | Edward Jr Flanigan | 20 | son | New Worker | Illinois |
| 21 | Lucille Flanigan | 15 | daughter | New Worker | Illinois |
| 22 | Rosalie Flanigan | 8 | daughter | — | Illinois |
| 23 | Joan Flanigan | 7 | daughter | — | Illinois |
| 24 | Harvey Flanigan | 4 | son | — | Illinois |
| 25 | William Flanigan | 3 | son | — | Illinois |
| 26 | Patrick Gleason | 68 | Head | — | Eire |
| 27 | Mary Gleason | 68 | wife | — | Wisconsin |
| 28 | Alice Gleason | 34 | daughter | Switchboard | Illinois |
| 29 | Francis Gleason | 32 | daughter | Marine Engineer | Illinois |
| 30 | John Gleason | 27 | son | Shipping Clerk | Illinois |
| 31 | Loretta Gleason | 24 | daughter | Inspector | Illinois |
| 32 | James Gleason THIS PERSON | 22 | son | Stock Clerk | Illinois |
| 33 | June Watson | 60 | Head | Chauffeur | Canada-English |
| 34 | Anne Watson | 60 | wife | — | Eire |
| 35 | Anne Watson | 27 | daughter | Typing | Illinois |
| 36 | Irene Watson | 25 | daughter | Clerk | Illinois |
| 37 | Caroline Trenle | 68 | Head | — | Germany |
| 38 | Alvina Trenle | 41 | daughter | Editer | Illinois |
| 39 | Joseph R Trenle | 33 | son | Salesman | Illinois |
| 40 | Claude Christello | 47 | Head | Laborer | Nebraska |
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)