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William Hayden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this William Hayden across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 9-person household.
Age 21
b. ~1919
Male
Son
Born: New York
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Hayden |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Separated |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Helper Welder |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Helper Welder |
| Township / Ward | New York City |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Charles Hayden | Son | — | 9 | ~1931 |
| Charlotte Hayden | Spouse | — | 48 | ~1892 |
| James Hayden | Son | — | 13 | ~1927 |
| Francis Hayden | Son | — | 15 | ~1925 |
| Mary Hayden | Daughter | — | 11 | ~1929 |
| Joseph Hayden | Son | — | 19 | ~1921 |
| Charlotte Hayden | Daughter | — | 23 | ~1917 |
| William Hayden | Head | — | 61 | ~1879 |
| William Hayden | Son | — | 21 | ~1919 |
Census Appearances
1930
Kings, New …
Son, age 11
Kings, New York · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hayden |
| 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 | Austria |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 21
Kings-County, New York · implied b. ~1919 — 9 household members
| Surname | Hayden |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Separated |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Occupation | Helper Welder |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Hayden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Hayden
Son · 1940 · age 21 · b. ~1919 · New York
★ You are viewing this record
Sibling
Charlotte Hayden
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Hayden
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hayden
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Hayden
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hayden
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Hayden
Sibling · 1940 · age 9
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-t0627-02578-00837)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Lindgren | 34 | Head | Clerical Work | New York |
| 2 | Marjorie Lindgren | 29 | Wife | — | New York |
| 3 | Marjorie Ann Lindgren | 5 | Daughter | — | New York |
| 4 | John Jr. Lindgren | 0 | Son | — | New York |
| 5 | Simona Balsamin | 30 | Neice | Beautician | New York |
| 6 | Yates P. Duke | 61 | Head | Asst. Supt. Dept. | Maryland |
| 7 | Amy M. Stewart | 57 | Roomer | Teaching | Nova Scotia |
| 8 | Donald G. Boren | 22 | Roomer | Electrician | Iowa |
| 9 | Shirley Boren | 20 | Roomer | Waitress | Canada English |
| 10 | Hazel Mahaken | 40 | Head | Landlady | New York |
| 11 | Benjamin Klein | 42 | Roomer | Clerk | New York |
| 12 | John Kennedy | 48 | Roomer | Salesman | Massachusetts |
| 13 | John J. Sweeney | 30 | Roomer | Salesman | New York |
| 14 | Wesley M. Terry | 54 | Head | Salesman | New Jersey |
| 15 | Mabel J. Terry | 48 | Wife | Attendant | New York |
| 16 | Irving Vailen | 35 | Head | Attendant | Connecticut |
| 17 | Ruth G. Vailen | 29 | Wife | Nurse Maid | Illinois |
| 18 | Charles Harbut | 36 | Head | Milk Salesman | New York |
| 19 | Mary Harbut | 26 | Wife | — | Pennsylvania |
| 20 | Mary Ann Harbut | 1 | Daughter | — | New York |
| 21 | John Kennedy | 28 | Head | Lathe Hand | New York |
| 22 | Edie Kennedy | 45 | Wife | — | New York |
| 23 | Walter R. Miller | 42 | Head | Sign Painter | Alabama |
| 24 | Virginia Miller | 36 | Wife | — | Ohio |
| 25 | William Hayden | 61 | Head | — | New York |
| 26 | Charlotte Hayden | 48 | Wife | — | Austria |
| 27 | Charlotte R. Hayden | 23 | Daughter | Goldlayer | New York |
| 28 | William T. Hayden THIS PERSON | 21 | Son | Helper Welder | New York |
| 29 | Joseph Hayden | 19 | Son | New Work | New York |
| 30 | Francis Hayden | 15 | Son | — | New York |
| 31 | James Hayden | 13 | Son | — | New York |
| 32 | Mary Hayden | 11 | Daughter | — | New York |
| 33 | Charles Hayden | 9 | Son | — | New York |
| 34 | Edward Mahoney | 27 | Head | Salesman | New York |
| 35 | Ruth S. Mahoney | 23 | Wife | Saleslady | New Jersey |
| 36 | Edward Jr. Mahoney | 1 | Son | — | New York |
| 37 | Edward B. Kerr | 49 | Head | Clerk | New York |
| 38 | Beatrice Kerr | 58 | Wife | — | New York |
| 39 | Mary Killen | 74 | Head | — | New York |
| 40 | Mary Nichols | 72 | Head | — | New York |
Related Census Records
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)