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James Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this James Donnelly across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Penna.
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Sheet metal worker |
| Industry | Roofing |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 320 |
| Highest Grade | Hs-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Sheet Metal Worker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Patrick Donnelly | Head | — | 57 | ~1883 |
| Mary Donnelly | Spouse | — | 59 | ~1881 |
| James Donnelly | Son | — | 21 | ~1919 |
| William Donnelly | Son | — | 22 | ~1918 |
| Thomas Donnelly | Son | — | 18 | ~1922 |
| Edward Donnelly | Son | — | 23 | ~1917 |
| Frank Donnelly | Son | — | 25 | ~1915 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 21
Philadelphia-County, Pennsylvania · implied b. ~1919 — 7 household members
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Penna. |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Sheet metal worker |
| Industry | Roofing |
| Class of Worker | PW |
| Hours Worked | 0 |
| Income (1939) | 320 |
| Highest Grade | Hs-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 James Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Donnelly
Son · 1940 · age 21 · b. ~1919 · Pennsylvania
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Sibling
Frank Donnelly
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Donnelly
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Donnelly
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Donnelly
Sibling · 1940 · age 18
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03697-00564)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elsie Linker | 21 | Sister-in-law | Packer-Wrapper | Penna. |
| 2 | Ella Linker | 16 | Sister-in-law | — | Penna. |
| 3 | Patrick Donnelly | 57 | Head | Sheet Metal Worker | Penna. |
| 4 | Mary Donnelly | 59 | Wife | — | Penna. |
| 5 | Frank Donnelly | 25 | Son | Bookkeeper | Penna. |
| 6 | Edward Donnelly | 23 | Son | Sheet Metal Worker | Penna. |
| 7 | William Donnelly | 22 | Son | Baker And Driver | Penna. |
| 8 | James Donnelly THIS PERSON | 21 | Son | Sheet Metal Worker | Penna. |
| 9 | Thomas Donnelly | 18 | Son | — | Penna. |
| 10 | Albert Pauliza | 33 | Head | Butcher | Penna. |
| 11 | Sylvia Pauliza | 33 | Wife | Cigar Examiner | Penna. |
| 12 | Harry Boyle | 30 | Head | Radio Technician | Penna. |
| 13 | Dorothy Boyle | 28 | Wife | Shirt Finisher | Penna. |
| 14 | Elizabeth Boyle | 0 | Daughter | — | Penna. |
| 15 | Max Uniehaber | 50 | Lodger | Locker Room Attendant | New York |
| 16 | Martha Weiss | 70 | In law | — | Massachusetts |
| 17 | Alexander Sedon | 32 | Head | Manager | Penna. |
| 18 | Anna Sedon | 29 | Wife | — | New Jersey |
| 19 | Walter E. Keller | 46 | Head | Laborer | Penna. |
| 20 | Margaret Keller | 51 | Wife | — | Penna. |
| 21 | Clarence Bailey | 37 | Head | Die Setter | Penna. |
| 22 | Margaret Bailey | 32 | Wife | — | Penna. |
| 23 | Edward Laughlin | 12 | Step-son | — | Penna. |
| 24 | Barbara Laughlin | 11 | Step-daughter | — | Maine |
| 25 | Snyder L. Snyder | 55 | Head | Job Pressman | Penna. |
| 26 | Alma Snyder | 43 | Wife | Cloth Stretcher | New Jersey |
| 27 | Edward Moore | 54 | Head | Warehouse Foreman | Penna. |
| 28 | Catherine Moore | 51 | Wife | — | Penna. |
| 29 | Mary Erney | 25 | Lodger | Senior Clerk | Penna. |
| 30 | Frederick Moore | 45 | Head | Lapidist | Germany |
| 31 | Louise Moore | 35 | Wife | — | Germany |
| 32 | Ida Hagelstein | 43 | Cousin | — | Germany |
| 33 | Joseph Franz | 21 | Head | Clerk | Penna. |
| 34 | Edna Franz | 20 | Wife | Filler | Penna. |
| 35 | Elmer H. Calhoun | 47 | Head | Painter | Penna. |
| 36 | Emily Calhoun | 30 | Wife | — | Penna. |
| 37 | Amerigo Castagna | 29 | Head | Bookkeeper | Penna. |
| 38 | Alice Castagna | 27 | Sister | Cashier | Penna. |
| 39 | Tobia Castagna | 25 | Brother | Cooket Liner | Penna. |
| 40 | Jerome Castagna | 21 | Brother | — | Penna. |
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)