JH
John Hayden — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Hayden across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Peter & Anna — first a head (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hayden |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Trucker |
| Industry | Retail Fruit & Prod |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Trucker |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1913 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Hayden | Head | — | 27 | ~1913 |
| Pauline Hayden | Spouse | — | 27 | ~1913 |
| Rosemary Balch | Other | — | 5 | ~1935 |
| Josephine Balch | Other | — | 28 | ~1912 |
| Peter Hayden | Son | — | 4 | ~1936 |
Census Appearances
1920
Cook, Illinois
Son, age 6
Cook, Illinois · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 16
Cook, Illinois · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Book Binder |
| Industry | Publisher |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 27
Cook-County, Illinois · implied b. ~1913 — 5 household members
| Surname | Hayden |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Trucker |
| Industry | Retail Fruit & Prod |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 0 |
| 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 John Hayden across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Hayden (~0.92 confidence) and mother Anna Hayden (~0.92 confidence) and mother Annie Hayden (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Hayden
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Anna Hayden
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Annie Hayden
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Hayden
Head · 1940 · age 27 · b. ~1913 · 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-t0627-01005-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lillian Hogan | 41 | Wife | — | Tennessee |
| 2 | Edmund Hogan | 19 | Son | Factory Worker | Illinois |
| 3 | Virginia Hogan | 15 | Daughter | — | Illinois |
| 4 | Robert Hogan | 4 | Son | — | Illinois |
| 5 | Alice Hogan | 2 | Daughter | — | Illinois |
| 6 | Margaret Murphy | 65 | Head | — | Wisconsin |
| 7 | Marie Murphy | 63 | Partner | Saleslady | Wisconsin |
| 8 | Joseph Farina | 50 | Head | Laborer | Italy |
| 9 | Josephine Farina | 44 | Wife | Factory Worker | Louisiana |
| 10 | Pauline Farina | 65 | Mother-in-law | — | Italy |
| 11 | Lawrence Gavia | 44 | Head | Shipping Clerk | Italy |
| 12 | Josephine Gavia | 34 | Wife | — | Louisiana |
| 13 | Antoinette Gavia | 17 | Daughter | Factory Worker | Illinois |
| 14 | Carol Gavia | 15 | Son | — | Illinois |
| 15 | Nancy Gavia | 12 | Daughter | — | Illinois |
| 16 | Guy Mcgillis | 34 | Head | Chauffeur | Wisconsin |
| 17 | Stella Mcgillis | 22 | Wife | — | Illinois |
| 18 | Darlene Mcgillis | 3 | Daughter | — | Illinois |
| 19 | Geraldine Mcgillis | 1 | Daughter | — | Illinois |
| 20 | Idella Mcgillis | 61 | Mother | — | Wisconsin |
| 21 | John Hayden THIS PERSON | 27 | Head | Trucker | Illinois |
| 22 | Pauline Hayden | 27 | Wife | — | Illinois |
| 23 | Peter Hayden | 4 | Son | — | Illinois |
| 24 | Josephine Balch | 28 | Sister-in-law | Punch Press Operator | Illinois |
| 25 | Rosemary Balch | 5 | Niece | — | Illinois |
| 26 | Ben Giovanelli | 36 | Head | Insurance Collector | Italy |
| 27 | Antoinette Giovanelli | 34 | Wife | — | Illinois |
| 28 | Josephine Giovanelli | 16 | Daughter | — | Illinois |
| 29 | Elaine Giovanelli | 13 | Daughter | — | Illinois |
| 30 | Rosalie Giovanelli | 4 | Daughter | — | Illinois |
| 31 | Rose Manisco | 50 | Head | Factory Worker | Italy |
| 32 | Albert Manisco | 24 | Son | Factory Worker | Louisiana |
| 33 | Rosie Manisco | 22 | Daughter | Packer | Louisiana |
| 34 | George Manisco | 21 | Son | Silver Plater | Louisiana |
| 35 | Dorothy Manisco | 17 | Daughter | — | Illinois |
| 36 | Charles Farina | 30 | Head | Laborer | Illinois |
| 37 | Vito Zuccaro | 54 | Head | Laborer | Italy |
| 38 | Anna Zuccaro | 50 | Wife | — | Italy |
| 39 | Nicola Zuccaro | 17 | Son | New Worker | New York |
| 40 | Thomas Latina | 54 | Head | Laborer | Italy |
Pedigree Summary
John
Gen 1 · 3 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)