WM
William Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, New Jersey
Our Model Tree links this William Mcdermott across the 1930 and 1940 US Censuses in Middlesex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, New Jersey |
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Perth Amboy City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Perth Amboy City |
| Est. Birth Year | ~1924 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Anna Mcdermott | Spouse | — | 49 | ~1891 |
| Richard Mcdermott | Son | — | 13 | ~1927 |
| James Mcdermott | Son | — | 11 | ~1929 |
| Robert Mcdermott | Son | — | 14 | ~1926 |
| William Mcdermott | Son | — | 16 | ~1924 |
| Anna Mcdermott | Daughter | — | 25 | ~1915 |
| Bernard Mcdermott | Head | — | 62 | ~1878 |
| Mildred Mcdermott | Daughter | — | 22 | ~1918 |
Census Appearances
1930
Middlesex, New …
Son, age 6
Middlesex, New Jersey · implied b. ~1924 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Middlesex-County, New …
Son, age 16
Middlesex-County, New Jersey · implied b. ~1924 — 8 household members
| Surname | McDermott |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Perth Amboy City |
| 1935 Residence (County) | Middlesex |
| Income (1939) | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Mcdermott across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Mcdermott
Son · 1940 · age 16 · b. ~1924 · New Jersey
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Sibling
Robert Mcdermott
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcdermott
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mcdermott
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mcdermott
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Mcdermott
Sibling · 1940 · age 13
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 — Middlesex-County, New Jersey
Open full size
1940 US Federal Census — Middlesex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02362-00084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna Miller | 44 | Wife | — | Norway |
| 42 | Ruth Miller | 13 | Daughter | Switchboard Operator | New Jersey |
| 43 | Edgar Botti | 44 | Head | Laborer | Italy |
| 44 | Helen Botti | 40 | Wife | — | Italy |
| 45 | Leo Botti | 18 | Son | Helper | New Jersey |
| 46 | Lillian Botti | 16 | Daughter | — | New Jersey |
| 47 | Ida Botti | 14 | Daughter | — | New Jersey |
| 48 | Jennie Botti | 11 | Daughter | — | New Jersey |
| 49 | Arthur Lucka | 24 | Head | Assist State Engineer | New Jersey |
| 50 | Johanna Lucka | 23 | Wife | Dress Maker | New Jersey |
| 51 | Richard Tiedge | 51 | Head | Foreman | New York |
| 52 | Josephine Tiedge | 51 | Wife | — | New Jersey |
| 53 | Florence Tiedge | 21 | Daughter | Dress Maker | New Jersey |
| 54 | Ruth Tiedge | 16 | Daughter | — | New Jersey |
| 55 | Michael Solovey | 46 | Head | Laborer | Russia |
| 56 | Rose Solovey | 44 | Wife | — | Czecho Slovakia |
| 57 | Steve Solovey | 21 | Son | Mechanic Hand Washer | New Jersey |
| 58 | Michael Jr Solovey | 20 | Son | Laborer | New Jersey |
| 59 | Rose Grygielski | 52 | Head | — | Poland |
| 60 | Steve Grygielski | 26 | Son | Mechanic | New Jersey |
| 61 | Anthony Grygielski | 23 | Son | Tile Maker | New Jersey |
| 62 | Anna Grygielski | 21 | Daughter | Cutter | New Jersey |
| 63 | Frank Warbanschitz | 59 | Head | Laborer | Czecho Slovakia |
| 64 | Mary Warbanschitz | 51 | Wife | — | Czecho Slovakia |
| 65 | William Warbanschitz | 26 | Son | Clicker Hats | New Jersey |
| 66 | Helen Warbanschitz | 13 | Daughter | — | New Jersey |
| 67 | Steve Warbanschitz | 28 | Son | Blocker Hats | Connecticut |
| 68 | Rose Warbanschitz | 26 | Daughter-in-law | — | New Jersey |
| 69 | Bernard Mcdermott | 62 | Head | Staty Engineer | New Jersey |
| 70 | Anna Mcdermott | 49 | Wife | — | New Jersey |
| 71 | Anna Mcdermott | 25 | Daughter | Pocket Book Maker | New Jersey |
| 72 | Mildred Mcdermott | 22 | Daughter | Pocket Book Maker | New Jersey |
| 73 | William Mcdermott THIS PERSON | 16 | Son | — | New Jersey |
| 74 | Robert Mcdermott | 14 | Son | — | New Jersey |
| 75 | Richard Mcdermott | 13 | Son | — | New Jersey |
| 76 | James Mcdermott | 11 | Son | — | New Jersey |
| 77 | Raymond Buncev | 49 | Head | House Mover | Poland |
| 78 | Tessie Buncev | 24 | Daughter | Cutter | New Jersey |
| 79 | Jennie Buncev | 22 | Daughter | Cutter | New Jersey |
| 80 | Frank Buncev | 20 | Son | Laborer | New Jersey |
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)