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Thomas Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this Thomas Donnelly across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 9-person household.
Age 10
b. ~1930
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark |
| Est. Birth Year | ~1930 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Anthony Donnelly | Son | — | 7 | ~1933 |
| Frances Donnelly | Daughter | — | 13 | ~1927 |
| Elizabeth Donnelly | Daughter | — | 15 | ~1925 |
| Robert Donnelly | Son | — | 17 | ~1923 |
| Robert Donnelly | Head | — | 49 | ~1891 |
| Rose Donnelly | Spouse | — | 40 | ~1900 |
| Rosemary Donnelly | Daughter | — | 19 | ~1921 |
| William Donnelly | Son | — | 5 | ~1935 |
| Thomas Donnelly | Son | — | 10 | ~1930 |
Census Appearances
1930
Essex, New …
Son, age
Essex, New Jersey · implied b. ~1930 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Connecticut |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 10
Essex-County, New Jersey · implied b. ~1930 — 9 household members
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| 1935 Residence (County) | Essex |
| Highest Grade | No 4 |
| 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 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 10 · b. ~1930 · New Jersey
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Sibling
William Donnelly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Donnelly
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Donnelly
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Donnelly
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Donnelly
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony 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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02418-00433)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Berwanger | 36 | Wife | — | New Jersey |
| 42 | John Berwanger | 2 | Son | — | — |
| 43 | Henry Berwanger | 62 | Father | Glazier | Germany |
| 44 | Wilhelmina Berwanger | 61 | Mother | — | Germany |
| 45 | Harry Kanter | 32 | Head | Truck Driver | New York |
| 46 | Mary Kanter | 28 | Wife | — | New York |
| 47 | Lorraine Kanter | 2 | Daughter | — | — |
| 48 | Charles Milano | 49 | Head | Foreman | Italy |
| 49 | Angelina Milano | 42 | Wife | — | Italy |
| 50 | Constance Milano | 21 | Daughter | Factory | New Jersey |
| 51 | Joseph Milano | 20 | Son | Laborer | New Jersey |
| 52 | Henry Laskin | 40 | Head | Foreman | Poland |
| 53 | Laura Laskin | 28 | Wife | Factory | Poland |
| 54 | Herman Laskin | 3 | Son | — | — |
| 55 | Henry Laskin | 0 | Son | — | — |
| 56 | Samuel Petlock | 50 | Head | Salesman | Russia |
| 57 | Molly Petlock | 43 | Wife | — | Russia |
| 58 | Alice R. Petlock | 24 | Daughter | Switchboard Operator | New Jersey |
| 59 | Anna Petlock | 20 | Daughter | Telephone Operator | New Jersey |
| 60 | Evelyn Petlock | 15 | Daughter | Bookkeeper | New Jersey |
| 61 | Joseph Spoon | 52 | Boarder | — | New Jersey |
| 62 | Umberto Madia | 64 | Head | Buffet Man | Italy |
| 63 | Arthur F. Hubner | 47 | Head | Truck Driver | New Jersey |
| 64 | Anna A. Hubner | 43 | Wife | — | New Jersey |
| 65 | Ruth A. Hubner | 18 | Daughter | — | New Jersey |
| 66 | Robert Hubner | 16 | Son | — | New Jersey |
| 67 | John Bolliger | 36 | Brother-in-law | Operator | New Jersey |
| 68 | Robert Donnelly | 49 | Head | Chauffeur | New Jersey |
| 69 | Rose A. Donnelly | 40 | Wife | — | Connecticut |
| 70 | Rosemary Donnelly | 19 | Daughter | Factory Worker | New Jersey |
| 71 | Robert Jr. Donnelly | 17 | Son | Pin Boy | New Jersey |
| 72 | Elizabeth Donnelly | 15 | Daughter | — | New Jersey |
| 73 | Frances Donnelly | 13 | Daughter | — | New Jersey |
| 74 | Thomas Donnelly THIS PERSON | 10 | Son | — | New Jersey |
| 75 | Anthony Donnelly | 7 | Son | — | New Jersey |
| 76 | William Donnelly | 5 | Son | — | New Jersey |
| 77 | Charles Davis | 59 | Head | Auto Mechanic | Lithuania |
| 78 | Arline Davis | 49 | Wife | — | Lithuania |
| 79 | Charles Bischoff | 54 | Head | Machinist | Germany |
| 80 | Emma Bischoff | 51 | Wife | — | Germany |
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)