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George Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this George Hayes across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Francis & Frank — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hayes |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Auto mechanic |
| Industry | Auto servicing company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Auto Mechanic |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Walter Hayes | Son | — | 26 | ~1914 |
| Marie Hayes | Head | — | 46 | ~1894 |
| George Hayes | Son | — | 23 | ~1917 |
| Anne Hayes | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Mother Tongue | German |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 4 household members
| Surname | Hayes |
| Given Name | George |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Auto mechanic |
| Industry | Auto servicing company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 832 |
| Highest Grade | No 8 |
| 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 George Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Francis Hayes (~0.92 confidence) and father Frank Hayes (~0.92 confidence) and mother Theresa Hayes (~0.92 confidence) and mother Marie Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Hayes
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Frank Hayes
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Theresa Hayes
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Marie Hayes
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Hayes
Son · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Walter Hayes
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Hayes
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
40 people indexed on this census page (nara:1940:m-t0627-00983-00702)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Wadley | 42 | Head | Car Cleaner | Hungary |
| 42 | Mary Wadley | 30 | Daughter | Matron | Hungary |
| 43 | John Klezynski | 31 | Head | Punch Press Operator | Massachusetts |
| 44 | Stella Klezynski | 24 | Wife | — | Illinois |
| 45 | Richard Klezynski | 1 | Son | — | Illinois |
| 46 | Alexander Wescovitch | 24 | Head | Marker | Illinois |
| 47 | Juanita Wescovitch | 21 | Wife | — | Illinois |
| 48 | Charmaine Wescovitch | 2 | Daughter | — | Illinois |
| 49 | Sylvia Wescovitch | 1 | Daughter | — | Illinois |
| 50 | George Szilagyi | 50 | Head | Processor | Hungary |
| 51 | Rosie Szilagyi | 46 | Wife | Car Cleaner | Hungary |
| 52 | William Kiss | 24 | Step-son | Car Cleaner | Illinois |
| 53 | Stephen Kiss | 22 | Step-son | Car Cleaner | Illinois |
| 54 | Marie Hayes | 46 | Head | — | Czech Slovakia |
| 55 | Walter Hayes | 26 | Son | Laborer | Illinois |
| 56 | George Hayes THIS PERSON | 23 | Son | Auto Mechanic | Illinois |
| 57 | Anne Hayes | 21 | Daughter | Punch Press Operator | Illinois |
| 58 | Kasper Jurgezyk | 55 | Head | Laborer | Poland |
| 59 | Agnes Jurgezyk | 50 | Wife | — | Poland |
| 60 | Jean Jurgezyk | 23 | Daughter | Candy Machine Operator | Illinois |
| 61 | Virginia Jurgezyk | 10 | Daughter | — | Illinois |
| 62 | Salvatore Ventrella | 45 | Head | Painter | Italy |
| 63 | Emma Ventrella | 45 | Wife | Seamstress | Massachusetts |
| 64 | Everett Ventrella | 23 | Son | Painter | Illinois |
| 65 | Anna Ventrella | 16 | Daughter | — | Illinois |
| 66 | Lawrence Ventrella | 14 | Son | — | Illinois |
| 67 | Olive White | 17 | Niece | — | Massachusetts |
| 68 | Everett White | 24 | Nephew | — | Illinois |
| 69 | Henry Tyszk | 22 | Head | Punch Press Operator | Illinois |
| 70 | Mabel Tyszk | 20 | Wife | — | Illinois |
| 71 | June Tyszk | 1 | Daughter | — | Illinois |
| 72 | Donald Thetman | 27 | Head | Subway Digger | Pennsylvania |
| 73 | Jean Thetman | 26 | Wife | — | Illinois |
| 74 | Donald Thetman | 5 | Son | — | Illinois |
| 75 | Florette Thetman | 3 | Daughter | — | Illinois |
| 76 | Stanley Olszewski | 30 | Head | Stove Mounter | Illinois |
| 77 | Albert Lattern | 45 | Head | Truck Driver | Illinois |
| 78 | Meta Lattern | 41 | Wife | — | Illinois |
| 79 | Ruth Lattern | 16 | Daughter | New Worker | Illinois |
| 80 | Frank Zuwalski | 55 | Head | Paint Mixer | Poland |
Pedigree Summary
George + 2 siblings
Gen 1 · 4 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)