WD
William Dillon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this William Dillon across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Dillon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Messenger |
| Industry | Lamp Shade Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Messenger |
| Township / Ward | New York |
| Est. Birth Year | ~1920 |
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 |
|---|---|---|---|---|
| Robert Dillon | Son | — | 21 | ~1919 |
| Thomas Dillon | Son | — | 24 | ~1916 |
| Mary Dillon | Daughter | — | 12 | ~1928 |
| William Dillon | Son | — | 20 | ~1920 |
| William Dillon | Head | — | 51 | ~1889 |
| Annie Dillon | Spouse | — | 51 | ~1889 |
Census Appearances
1930
New York, …
Son, age 10
New York, New York · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillion |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Son, age 20
Bronx-County, New York · implied b. ~1920 — 6 household members
| Surname | Dillon |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Occupation | Messenger |
| Industry | Lamp Shade Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 224 |
| Highest Grade | Hs 4 |
| 1935 Residence | New York |
| 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 Dillon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Dillon
Son · 1940 · age 20 · b. ~1920 · New York
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Sibling
Robert Dillon
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dillon
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dillon
Sibling · 1940 · age 12
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 — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02469-00841)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Bernard Hannon | 50 | Head | Laborer | New York |
| 2 | Helen Hannon | 23 | Daughter | Clerk | New York |
| 3 | Thomas Hannon | 22 | Son | Operator | New York |
| 4 | Edward Holfelder | 30 | Head | Patrolman | Pennsylvania |
| 5 | Mildred Holfelder | 34 | Wife | — | England |
| 6 | Patricia Joan Holfelder | 5 | Daughter | — | New York |
| 7 | Paul Holfelder | 4 | Son | — | New York |
| 8 | Lawrence Holfelder | 0 | Son | — | New York |
| 9 | William Dillon | 51 | Head | Conductor | Eire |
| 10 | Annie Dillon | 51 | Wife | — | Northern Ireland |
| 11 | Thomas Dillon | 24 | Son | Elevator Operator | New York |
| 12 | Robert Dillon | 21 | Son | — | New York |
| 13 | William Dillon THIS PERSON | 20 | Son | Messenger | New York |
| 14 | Mary Dillon | 12 | Daughter | — | New York |
| 15 | Thomas Deegan | 55 | Head | Piano Mover | Eire |
| 16 | Mary Deegan | 55 | Wife | — | Eire |
| 17 | William Deegan | 30 | Son | Checker | New York |
| 18 | Michael Deegan | 28 | Son | Clerk | New York |
| 19 | Thomas Deegan | 22 | Son | Laborer | New York |
| 20 | Allen Carter | 35 | Head | Iron Molder | England |
| 21 | Nora Carter | 34 | Wife | — | Eire |
| 22 | Helen Carter | 9 | Daughter | — | New York |
| 23 | Thomas Carter | 7 | Son | — | New York |
| 24 | Frances Burns | 61 | Head | — | New York |
| 25 | Cecelia Callahan | 31 | Daughter | Packer | New York |
| 26 | Thomas Callahan | 24 | Son | Platform Man | New York |
| 27 | Charles O'Neill | 55 | Head | Truck Driver | Northern Ireland |
| 28 | Agnes O'Neill | 53 | Wife | — | Northern Ireland |
| 29 | Mary O'Neill | 17 | Daughter | — | Pennsylvania |
| 30 | Helen O'Neill | 15 | Daughter | — | Pennsylvania |
| 31 | William Kennelly | 47 | Head | Bartender | New York |
| 32 | Mary Kennelly | 43 | Wife | — | New York |
| 33 | Thomas Kennelly | 21 | Son | Platform Man | New York |
| 34 | Andrew Kennelly | 19 | Son | — | New York |
| 35 | Mary Kennelly | 17 | Daughter | — | New York |
| 36 | Peter Kennelly | 10 | Son | — | New York |
| 37 | John O'Donnell | 43 | Head | Doorman | Northern Ireland |
| 38 | Margaret O'Donnell | 43 | Wife | — | Eire |
| 39 | Maria O'Donnell | 7 | Daughter | — | Northern Ireland |
| 40 | Katherine O'Donnell | 5 | Daughter | — | 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)