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William Donnelly — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Donnelly across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 8-person household.
Age 15
b. ~1925
Male
Son
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Donnelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1925 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Anna Donnelly | Daughter | — | 13 | ~1927 |
| James Donnelly | Son | — | 23 | ~1917 |
| Francis Donnelly | Son | — | 10 | ~1930 |
| William Donnelly | Son | — | 15 | ~1925 |
| James Donnelly | Head | — | 55 | ~1885 |
| John Donnelly | Son | — | 21 | ~1919 |
| Mary Donnelly | Spouse | — | 53 | ~1887 |
| Catherine Donnelly | Daughter | — | 16 | ~1924 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 4
Philadelphia, Pennsylvania · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donoley |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 15
Philadelphia-County, Pennsylvania · implied b. ~1925 — 8 household members
| Surname | Donnelly |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 William Donnelly across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Donnelly
Son · 1940 · age 15 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
James Donnelly
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Donnelly
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Donnelly
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Donnelly
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Donnelly
Sibling · 1940 · age 13
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-t0627-03706-00518)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Meldrum | 47 | Wife | — | Scotland |
| 2 | Jennet Meldrum | 22 | Daughter | Clerk | Penna |
| 3 | Barbara Meldrum | 20 | Daughter | File Clerk | Penna |
| 4 | William Deroy | 36 | Head | Truck Driver | Belgium |
| 5 | Irene Deroy | 27 | Wife | — | Penna |
| 6 | William Deroy | 4 | Son | — | Penna |
| 7 | Leo Bianco | 48 | Head | Proprietor | Italy |
| 8 | Anna Bianco | 42 | Wife | — | Switzerland |
| 9 | Leo Bianco | 20 | Son | Inspector | Penna |
| 10 | Marion Bianco | 16 | Daughter | — | Penna |
| 11 | Robert Bianco | 0 | Son | — | Penna |
| 12 | — | None | — | — | — |
| 13 | Julius Ushwait | 76 | Head | Prop | Germany |
| 14 | Frances Ushwait | 74 | Wife | — | New Jersey |
| 15 | Harold C. Ushwait | 45 | Son | Salesman | New Jersey |
| 16 | Sophia Schurtz | 85 | Sister in law | — | New Jersey |
| 17 | John Neuman | 36 | Head | Mechanic | Penna |
| 18 | Edna Neuman | 25 | Wife | Machine Operat | Penna |
| 19 | Maude Stewart | 45 | Head | Press Operator | Virginia |
| 20 | Howard Stewart | 28 | Son | Springs | Virginia |
| 21 | Earle D Stewart | 26 | Daughter | Wrapper | Virginia |
| 22 | Gladys Stewart | 23 | Daughter | Wrapper | Virginia |
| 23 | James Donnelly | 55 | Head | — | Northern Ireland |
| 24 | Mary Donnelly | 53 | Wife | — | Northern Ireland |
| 25 | James Donnelly | 23 | Son | Shipper | Penna |
| 26 | John Donnelly | 21 | Son | Supply Room | Penna |
| 27 | Catherine Donnelly | 16 | Daughter | — | Penna |
| 28 | William Donnelly THIS PERSON | 15 | Son | — | Penna |
| 29 | Anna Donnelly | 13 | Daughter | — | Penna |
| 30 | Francis Donnelly | 10 | Son | — | Penna |
| 31 | Francis Craig | 40 | Head | Mechanical Engineer | Penna |
| 32 | Agnes Craig | 40 | Wife | — | Penna |
| 33 | Virginia Craig | 12 | Daughter | — | Penna |
| 34 | William Haenn | 50 | Head | Foreman | Penna |
| 35 | Mary Haenn | 47 | Wife | — | Penna |
| 36 | William Haenn | 19 | Son | New Worker | Penna |
| 37 | George Haenn | 17 | Son | — | Penna |
| 38 | Helen Haenn | 16 | Daughter | — | Penna |
| 39 | Albert Olenhausen | 37 | Head | Chauffeur | Penna |
| 40 | Florence Olenhausen | 34 | Wife | Folding | Penna |
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)