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Thomas Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Thomas Donnelly across the 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 10-person household.
Age 17
b. ~1923
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | New York City |
| Est. Birth Year | ~1923 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Donnelly | Son | — | 17 | ~1923 |
| Robert Morris | Other | — | 22 | ~1918 |
| Joan Donnelly | Daughter | — | 7 | ~1933 |
| Robert Donnelly | Son | — | 15 | ~1925 |
| Charles Donnelly | Son | — | 13 | ~1927 |
| Thomas Donnelly | Head | — | 39 | ~1901 |
| George Morris | Other | — | 24 | ~1916 |
| Florence Donnelly | Spouse | — | 38 | ~1902 |
| Eugene Donnelly | Son | — | 4 | ~1936 |
| Kenneth Donnelly | Son | — | 11 | ~1929 |
Census Appearances
1930
Bronx, New …
Son, age 7
Bronx, New York · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| 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 |
1940
Bronx-County, New …
Son, age 17
Bronx-County, New York · implied b. ~1923 — 10 household members
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Highest Grade | H 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 Thomas Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Donnelly
Son · 1940 · age 17 · b. ~1923 · New York
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Sibling
Eugene Donnelly
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Donnelly
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donnelly
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Donnelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joan Donnelly
Sibling · 1940 · age 7
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-t0627-02486-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Murphy | 43 | Head | Delivery | Northern Ireland |
| 2 | Ethel Murphy | 45 | Wife | — | New York |
| 3 | Elizabeth Murphy | 12 | Daughter | — | New York |
| 4 | Henry Wedel | 22 | Step-son | Painter | New York |
| 5 | Charles Wedel | 19 | Step-son | Dyeing Work | New York |
| 6 | Arthur Wedel | 17 | Step-son | — | New York |
| 7 | Anna Wedel | 15 | Step-daughter | — | New York |
| 8 | Richard Wedel | 6 | Step-son | — | New York |
| 9 | George Kanikis | 48 | Head | Messenger | Turkey |
| 10 | Frieda Kanikis | 43 | Wife | — | Turkey |
| 11 | John Petrulus | 45 | Lodger | Counterman | Greece |
| 12 | Thomas Daubert | 35 | Head | Mechanic | Connecticut |
| 13 | Rosanna Daubert | 28 | Wife | — | New York |
| 14 | Thomas Daubert | 7 | Son | — | New York |
| 15 | John Daubert | 5 | Son | — | New York |
| 16 | Charles Baker | 67 | Head | Electrician | New York |
| 17 | Mary Baker | 64 | Wife | — | New York |
| 18 | Walter Baker | 33 | Son | Secretary | New York |
| 19 | Robert Bolton | 39 | Head | Artist | New York |
| 20 | Marianne Bolton | 35 | Wife | — | New York |
| 21 | Ethel Bolton | 14 | Daughter | — | New York |
| 22 | Lorna Bolton | 10 | Daughter | — | New York |
| 23 | Joyce Bolton | 7 | Daughter | — | New York |
| 24 | Thomas Donnelly | 39 | Head | Investigator | New York |
| 25 | Florence Donnelly | 38 | Wife | — | New York |
| 26 | Thomas Donnelly THIS PERSON | 17 | Son | — | New York |
| 27 | Robert Donnelly | 15 | Son | — | New York |
| 28 | Charles Donnelly | 13 | Son | — | New York |
| 29 | Kenneth Donnelly | 11 | Son | — | New York |
| 30 | Joan Donnelly | 7 | Daughter | — | New York |
| 31 | Eugene Donnelly | 4 | Son | — | New York |
| 32 | George Morris | 24 | Brother-in-law | Waiter | New York |
| 33 | Robert Morris | 22 | Brother-in-law | Mechanic | New York |
| 34 | Thomas Donnelly | 72 | Head | Renter | Northern Ireland |
| 35 | Catherine Donnelly | 62 | Wife | — | New York |
| 36 | Margaret Donnelly | 25 | Daughter | Clerk | New York |
| 37 | Joseph Donnelly | 24 | Son | Painting | New York |
| 38 | Madeline O'Connell | 34 | Daughter | Clerk | New York |
| 39 | Madeline O'Connell | 8 | Daughter | — | New York |
| 40 | James Donnelly | 62 | Brother | Bartender | Irish Free State |
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)