JH
Joseph Hayes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Joseph Hayes across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Hayes |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Helper |
| Industry | Wire Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Helper |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Alice Hayes | Daughter | — | 19 | ~1921 |
| Ann Hayes | Daughter | — | 22 | ~1918 |
| Elizabeth Hayes | Daughter | — | 31 | ~1909 |
| James Hayes | Head | — | 60 | ~1880 |
| Mary Hayes | Spouse | — | 57 | ~1883 |
| Eileen Hayes | Daughter | — | 26 | ~1914 |
| James Hayes | Son | — | 30 | ~1910 |
| Joseph Hayes | Son | — | 21 | ~1919 |
Census Appearances
1930
Cook, Illinois
Son, age 11
Cook, Illinois · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Irish F. S. |
| Mother's Birthplace | Irish F. S. |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 21
Cook-County, Illinois · implied b. ~1919 — 8 household members
| Surname | Hayes |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Helper |
| Industry | Wire Mfg Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 750 |
| 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 Joseph Hayes across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Hayes
Son · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
Alice Hayes
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hayes
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Hayes
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ann Hayes
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Hayes
Sibling · 1940 · age 26
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-t0627-00982-00197)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John H. Lynch | 14 | Son | — | Illinois |
| 42 | Maurice O'Connell | 64 | Lodger | Motorman | Eire |
| 43 | Thomas Sherlock | 68 | Head | Plumber | Kansas |
| 44 | Margaret Sherlock | 63 | Wife | — | Illinois |
| 45 | Catherine Sherlock | 29 | Daughter | Stenographer | Illinois |
| 46 | Joseph Sherlock | 25 | Son | Clerk | Illinois |
| 47 | William Sherlock | 8 | Grandson | — | Illinois |
| 48 | James Hayes | 60 | Head | Patrolman | Eire |
| 49 | Mary Hayes | 57 | Wife | — | Eire |
| 50 | Elizabeth Hayes | 31 | Daughter | Typist | Illinois |
| 51 | James Jr. Hayes | 30 | Son | Guard | Illinois |
| 52 | Eileen Hayes | 26 | Daughter | Billing Clerk | Illinois |
| 53 | Ann Hayes | 22 | Daughter | Operator | Illinois |
| 54 | Joseph Hayes THIS PERSON | 21 | Son | Helper | Illinois |
| 55 | Alice Hayes | 19 | Daughter | New Worker | Illinois |
| 56 | William Bowler | 68 | Head | Sergeant Of Police | Illinois |
| 57 | Mary Bowler | 68 | Wife | — | Indiana |
| 58 | John Bowler | 33 | Son | Teacher | Illinois |
| 59 | Grace Bowler | 32 | Daughter | Stenographer | Illinois |
| 60 | Grace M. Bowler | 14 | Daughter-in-law | — | Illinois |
| 61 | Mary Bowler | 12 | Granddaughter | — | Illinois |
| 62 | Lawrence Penan | 64 | Head | Assembler | Michigan |
| 63 | Mary Penan | 56 | Wife | — | Michigan |
| 64 | Delores Penan | 17 | Daughter | Comptometer | Illinois |
| 65 | Homer Kirthley | 64 | Lodger | Conductor | Kansas |
| 66 | Michael Mcphile | 67 | Lodger | Conductor | Eire |
| 67 | Thomas J. Shea | 74 | Head | — | Eire |
| 68 | Susan Shea | 69 | Wife | — | Eire |
| 69 | Frank P. Shea | 35 | Son | Patrolman | Illinois |
| 70 | Cathleen Benett | 41 | Head | Stenographer | Illinois |
| 71 | Joseph J. Reilly | 64 | Uncle | — | Illinois |
| 72 | Margaret E. Reilly | 62 | Aunt | — | Illinois |
| 73 | Michael Moriarity | 46 | Head | Bartender | Eire |
| 74 | Clara Moriarity | 42 | Wife | Carpenters Tavern | Illinois |
| 75 | Lucille Moriarity | 21 | Daughter | — | Illinois |
| 76 | Bernice Moriarity | 20 | Daughter | — | Illinois |
| 77 | Marcella Moriarity | 16 | Daughter | — | Illinois |
| 78 | Rosalie Moriarity | 12 | Daughter | — | Illinois |
| 79 | Michael Moriarity | 10 | Son | — | Illinois |
| 80 | Owen J. Moriarity | 7 | Son | — | Illinois |
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)