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Thomas Donnelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Thomas Donnelly across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Car Oiler |
| Industry | Pennsylvania Railroad |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Car Oiler |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Donnelly | Daughter | — | 5 | ~1935 |
| Robert Donnelly | Son | — | 9 | ~1931 |
| Thomas Donnelly | Head | — | 33 | ~1907 |
| Edna Donnelly | Spouse | — | 29 | ~1911 |
| Thomas Donnelly | Son | — | 1 | ~1939 |
Census Appearances
1920
Hudson, New …
Son, age 12
Hudson, New Jersey · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Son, age 23
Hudson, New Jersey · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Irish Free State |
| Occupation | ticket agent |
| Industry | railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Head, age 33
Hudson-County, New Jersey · implied b. ~1907 — 5 household members
| Surname | Donnelly |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Car Oiler |
| Industry | Pennsylvania Railroad |
| Class of Worker | PW |
| Hours Worked | 47 |
| Income (1939) | 1500 |
| Highest Grade | Hs 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Donnelly (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Donnelly
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Donnelly
Head · 1940 · age 33 · b. ~1907 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02407-00525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Walter Baker | 27 | Son | Clerk | New Jersey |
| 42 | William Bartell | 61 | Head | Machinist | Germany |
| 43 | Rose Bartell | 57 | Wife | — | New York |
| 44 | David Newbury | 43 | Head | Gardener | New York |
| 45 | Alice Newbury | 37 | Wife | — | New York |
| 46 | Daniel Newbury | 10 | Son | — | New Jersey |
| 47 | Catherine Baurig | 50 | Head | Cardmaker | Pennsylvania |
| 48 | James Baurig | 21 | Nephew | Truckdriver | Pennsylvania |
| 49 | Anthony Melillo | 51 | Head | Printer | Italy |
| 50 | Louise Melillo | 49 | Wife | — | Italy |
| 51 | Marian Melillo | 2 | Daughter | — | New Jersey |
| 52 | Louis Rossi | 70 | Lodger | — | Italy |
| 53 | Maria Rossi | 60 | Lodger | — | Italy |
| 54 | David Capkin | 47 | Head | Garment | Russia |
| 55 | Sadie Capkin | 49 | Wife | Dressmaker | Russia |
| 56 | Irving Capkin | 21 | Son | — | New Jersey |
| 57 | Shirley Capkin | 17 | Daughter | — | New Jersey |
| 58 | Ruth Capkin | 9 | Daughter | — | New Jersey |
| 59 | James Mcnamara | 31 | Head | Laborer | New Jersey |
| 60 | Frances Mcnamara | 25 | Wife | — | New Jersey |
| 61 | William Mcnamara | 7 | Son | — | New Jersey |
| 62 | James Jr. Mcnamara | 4 | Son | — | New Jersey |
| 63 | George Mcnamara | 2 | Son | — | New Jersey |
| 64 | John Mcnamara | 1 | Son | — | New Jersey |
| 65 | Thomas Donnelly THIS PERSON | 33 | Head | Car Oiler | New Jersey |
| 66 | Edna Donnelly | 29 | Wife | — | New Jersey |
| 67 | Robert Donnelly | 9 | Son | — | New Jersey |
| 68 | Mary Donnelly | 5 | Daughter | — | New Jersey |
| 69 | Thomas Donnelly | 1 | Son | — | New Jersey |
| 70 | John Murray | 34 | Head | Laborer | New Jersey |
| 71 | John Jr. Murray | 9 | Son | — | New Jersey |
| 72 | Mildred Murray | 31 | Wife | — | New Jersey |
| 73 | Theresa Murray | 4 | Daughter | — | New Jersey |
| 74 | Gloria Murray | 3 | Daughter | — | New Jersey |
| 75 | Jane Murray | 2 | Daughter | — | New Jersey |
| 76 | Ruth Murray | 31 | Wife | — | New Jersey |
| 77 | Freda Meda | 51 | Head | — | Pennsylvania |
| 78 | Arlene Meda | 14 | Daughter | — | Pennsylvania |
| 79 | William Paul | 27 | Head | Laborer | New Jersey |
| 80 | Lillian Paul | 27 | Wife | — | New Jersey |
Pedigree Summary
Thomas
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)