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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.~1929), then head of a 10-person household.
Age 11
b. ~1929
Male
Son
Born: Pennsylvania
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 | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1929 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Francis Donnelly | Son | — | 5 | ~1935 |
| Delia Sierliff Sicrliff | Other | — | 63 | ~1877 |
| James Donnelly | Son | — | 11 | ~1929 |
| John Donnelly | Son | — | 8 | ~1932 |
| Alfred Sorge | Son | — | 32 | ~1908 |
| Francis Sweeney | Other | — | 16 | ~1924 |
| Marguerite Donnelly | Daughter | — | 10 | ~1930 |
| Hilda Rowan | Head | — | 27 | ~1913 |
| Charles Carroll | Son | — | 5 | ~1935 |
| Mary Mernon Memon | Other | — | 82 | ~1858 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 1
Philadelphia, Pennsylvania · implied b. ~1929 — 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 | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 11
Philadelphia-County, Pennsylvania · implied b. ~1929 — 10 household members
| Surname | Donnelly |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila |
| Highest Grade | 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 11 · b. ~1929 · Pennsylvania
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Sibling
Charles Carroll
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donnelly
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerite Donnelly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donnelly
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Sorge
Sibling · 1940 · age 32
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
34 people indexed on this census page (nara:1940:m-t0627-03701-00043)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth Thomas | 67 | Wife | — | England |
| 2 | Gilbert Ferguson | 55 | Brother | Porter | England |
| 3 | Gavin Hunter | 27 | Nephew | Helper | Pennsylvania |
| 4 | William Hunter | 26 | Nephew | Assistant | Pennsylvania |
| 5 | Annetta Torner | 19 | Daughter | Gen Worker | Pennsylvania |
| 6 | Thomas J. Mcdoyle | 2 | Son | — | Pennsylvania |
| 7 | Robert Plopert | 39 | Brother | — | Pennsylvania |
| 8 | James E. Coleman | 40 | Brother-in-law | Accountant | Pennsylvania |
| 9 | Charles Zulfoff | Zulfoft | 9 | Son | — | Pennsylvania |
| 10 | William Washburn | 66 | Father-in-law | Bartender | Pennsylvania |
| 11 | Anna M. Mcsparron | 17 | Daughter | Gen Worker | Pennsylvania |
| 12 | William J. Mcsparron | 15 | Son | — | Pennsylvania |
| 13 | Kathleen Mcsparron | 13 | Daughter | — | Pennsylvania |
| 14 | James J. Mcsparron | 8 | Son | — | Pennsylvania |
| 15 | Mary A. Mcsparron | 6 | Daughter | — | Pennsylvania |
| 16 | Rita B. Mcsparron | 3 | Daughter | — | Pennsylvania |
| 17 | Sterling Mcsparron | 2 | Daughter | — | Pennsylvania |
| 18 | Margaret Wagner | 46 | Lodger | Winder | Pennsylvania |
| 19 | Marie A. Reith | 68 | Head | — | Germany |
| 20 | Christian Reith | 73 | Husband | — | Germany |
| 21 | John Christian | 43 | Son | Assembler | Pennsylvania |
| 22 | Anna Christian | 41 | Daughter | Operator | Pennsylvania |
| 23 | Pauline Christian | 34 | Daughter | Operator | Pennsylvania |
| 24 | Karl Christian | 28 | Son | Clerk | Pennsylvania |
| 25 | Hilda Rowan | 27 | Head | Hairdresser | Pennsylvania |
| 26 | Mary Mernon | Memon | 82 | Aunt | — | Ohio |
| 27 | Charles Carroll | 5 | Son | — | Pennsylvania |
| 28 | Francis Sweeney | 16 | Step-daughter | — | Pennsylvania |
| 29 | Delia Sierliff | Sicrliff | 63 | Mother | — | Pennsylvania |
| 30 | James Donnelly THIS PERSON | 11 | Son | — | Pennsylvania |
| 31 | Marguerite Donnelly | 10 | Daughter | — | Pennsylvania |
| 32 | John Donnelly | 8 | Son | — | Pennsylvania |
| 33 | Francis Donnelly | 5 | Son | — | Pennsylvania |
| 34 | Alfred Sorge | 32 | Son | Pressman | Pennsylvania |
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)