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William Hayes — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this William Hayes across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Peter & Josephine — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | laborer |
| Industry | C.C.C. Reforestation |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Laborer |
| Township / Ward | New York 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Susan Hayes | Daughter | — | 24 | ~1916 |
| Florence Hayes | Daughter | — | 16 | ~1924 |
| Theresa Hayes | Daughter | — | 11 | ~1929 |
| Peter Hayes | Head | — | 48 | ~1892 |
| William Hayes | Son | — | 22 | ~1918 |
| Peter Hayes | Son | — | 23 | ~1917 |
| Michael Hayes | Son | — | 21 | ~1919 |
| John Hayes | Son | — | 19 | ~1921 |
| George Hayes | Son | — | 14 | ~1926 |
| Sarah Hayes | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Kings, New …
Son, age 1
Kings, New York · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 11
Kings, New York · implied b. ~1919 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 22
Kings-County, New York · implied b. ~1918 — 10 household members
| Surname | Hayes |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | laborer |
| Industry | C.C.C. Reforestation |
| Class of Worker | GW |
| Hours Worked | 64 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 William Hayes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Hayes (~0.92 confidence) and mother Josephine Hayes (~0.92 confidence) and father Peter Hayes (~0.92 confidence) and mother Sarah Hayes (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Hayes
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Josephine Hayes
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Peter Hayes
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Sarah Hayes
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hayes
Son · 1940 · age 22 · b. ~1918 · New York
★ You are viewing this record
Sibling
Michael Hayes
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Hayes
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Hayes
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Hayes
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hayes
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Hayes
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Hayes
Sibling · 1940 · age 19
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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02560-00407)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Stege | 17 | Daughter | — | New York |
| 2 | Niels Nilsen | 41 | Head | Carpenter | Norway |
| 3 | Helen Nilsen | 40 | Wife | — | Norway |
| 4 | Agda Nilsen | 19 | daughter | Typist | New York |
| 5 | Stanley Nilsen | 17 | son | — | New York |
| 6 | Joseph Zirkuli | 30 | Head | Track Walker | Hungary |
| 7 | Hattie Zirkuli | 26 | Wife | Billing Machine Operator | New York |
| 8 | Carl Anderson | 31 | lodger | Die Setter | Sweden |
| 9 | James Donnelly | 35 | Head | Clerk | Scotland |
| 10 | Lillian Donnelly | 27 | Wife | — | New York |
| 11 | Patricia Donnelly | 4 | daughter | — | New York |
| 12 | Milton Elffert | 84 | Head | — | Sweden |
| 13 | Leo Nielsen | 47 | lodger | Carpenter | Sweden |
| 14 | Hugo Eichhorst | 84 | Head | — | Germany |
| 15 | Clara Eichhorst | 76 | Wife | — | Germany |
| 16 | Barbara Sanders | 65 | Head | — | New York |
| 17 | Jefferson Trinkell | 80 | father-in-law | — | England |
| 18 | Matthew Zabkowski | 27 | Head | Dyer | Massachusetts |
| 19 | Gertrude Zabkowski | 23 | Wife | — | Massachusetts |
| 20 | Elizabeth Zabkowski | 4 | daughter | — | New York |
| 21 | Gloria Zabkowski | 1 | daughter | — | New York |
| 22 | Elizabeth Taylor | 53 | Head | — | Pennsylvania |
| 23 | William Taylor | 28 | son | Machine Operator | Pennsylvania |
| 24 | Elizabeth Taylor | 20 | daughter | Packer | New York |
| 25 | Barbara Kotch | 4 | grand daughter | — | New York |
| 26 | Grace Kotch | 2 | grand daughter | — | New York |
| 27 | John Jr. O'Brien | 36 | Head | Electrical Mechanic | Eire |
| 28 | Hannah O'Brien | 28 | Wife | — | New Jersey |
| 29 | Johnnie O'Brien | 3 | son | — | New Jersey |
| 30 | Margaret O'Brien | 1 | daughter | — | New Jersey |
| 31 | Peter Sr. Hayes | 48 | Head | Ditch Digger | New York |
| 32 | Sarah Hayes | 45 | Wife | — | New York |
| 33 | Susan Hayes | 24 | daughter | — | New York |
| 34 | Peter Jr. Hayes | 23 | son | Laborer | New York |
| 35 | William Hayes THIS PERSON | 22 | son | Laborer | New York |
| 36 | Michael Hayes | 21 | son | Laborer | New York |
| 37 | John Hayes | 19 | son | Laborer | New York |
| 38 | Florence Hayes | 16 | daughter | — | New York |
| 39 | George Hayes | 14 | son | — | New York |
| 40 | Theresa Hayes | 11 | daughter | — | New York |
Pedigree Summary
William + 7 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)