WS
William Sheehan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this William Sheehan across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 6-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 | Sheehan |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Investigator |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Investigator |
| Township / Ward | Brooklyn |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Sheehan | Spouse | — | 54 | ~1886 |
| William Sheehan | Son | — | 22 | ~1918 |
| Mathew Sheehan | Head | — | 57 | ~1883 |
| Mary Sheehan | Daughter | — | 16 | ~1924 |
| Mathew Sheehan | Son | — | 23 | ~1917 |
| John Sheehan | Son | — | 19 | ~1921 |
Census Appearances
1930
Kings, New …
Son, age 11
Kings, New York · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sheehan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New York |
| Age at First Marriage | 11 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| 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 — 6 household members
| Surname | Sheehan |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Investigator |
| Industry | Insurance |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 1100 |
| Highest Grade | Hs 4 |
| 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 Sheehan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Sheehan
Son · 1940 · age 22 · b. ~1918 · New York
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Sibling
Mathew Sheehan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Sheehan
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Sheehan
Sibling · 1940 · age 16
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
38 people indexed on this census page (nara:1940:m-t0627-02575-00118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mathew Sheehan | 57 | Head | Superintendent | Irish Free State |
| 2 | Mary B Sheehan | 54 | Wife | — | Irish Free State |
| 3 | Mathew V Sheehan | 23 | Son | Stevedore Laborer | New York |
| 4 | William A Sheehan THIS PERSON | 22 | Son | Investigator | New York |
| 5 | John J Sheehan | 19 | Son | New Worker | New York |
| 6 | Mary J Sheehan | 16 | Daughter | — | New York |
| 8 | John P Fortune | 45 | Head | Police Officer | Irish Free State |
| 9 | Mary Fortune | 50 | Wife | — | Irish Free State |
| 10 | Hans Roeder | 67 | Head | Stevedore | Germany |
| 11 | Elizabeth Roeder | 59 | Wife | — | Germany |
| 12 | Hans P Roeder | 37 | Son | Wireman | New York |
| 13 | John W Roeder | 41 | Son | Post Office Clerk | New York |
| 14 | John W Jr Roeder | 11 | Grandson | — | New York |
| 15 | Allan W Roeder | 9 | Grandson | — | New York |
| 16 | Florence A Ward | 43 | Head | Accounting Clerk | New York |
| 17 | Frank E Ward | 32 | Brother | Cashier | New York |
| 18 | Lillian A Ward | 40 | Sister | Telephone Operator | New York |
| 20 | Chester B Heal | 57 | Head | Cashier | New York |
| 21 | Elizabeth M Heal | 50 | Wife | — | Pennsylvania |
| 22 | Chester B Jr Heal | 20 | Son | Laboratory Assistant | New York |
| 23 | Albert M Heal | 18 | Son | — | New York |
| 24 | Peder Markussen | 64 | Head | Plumber | Norway |
| 25 | Anna S Markussen | 65 | Wife | — | Norway |
| 26 | Eleanor Nelson | 8 | Ward | — | New York |
| 27 | William Herwick | 31 | Head | Guard | New York |
| 28 | Agnes Herwick | 31 | Wife | — | New York |
| 29 | Arnold W Herwick | 8 | Son | — | New York |
| 30 | Stanley P Herwick | 4 | Son | — | New York |
| 31 | Martin Henricksen | 77 | Head | — | Norway |
| 32 | Clara E Henricksen | 77 | Wife | — | Norway |
| 33 | Charles Gioinco | 43 | Head | Office Clerk | New York |
| 34 | Rose M Gioinco | 40 | Wife | — | New York |
| 35 | Anthony S Gioinco | 22 | Son | Automobile Mechanic | New York |
| 36 | William Rogers | 62 | Head | Brick Layer | Scotland |
| 37 | Hedwig W Rogers | 60 | Wife | — | Germany |
| 38 | Andrew Rogers | 23 | Son | Salesman | New York |
| 39 | Gertrude Rogers | 21 | Daughter in Law | Sorter | New York |
| 40 | Gertrude W Rogers | 27 | Daughter | Buyer | New York |
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)