JD
Joseph Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Joseph Dunn across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1908), then head of a 10-person household.
Age 32
b. ~1908
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Chauffer |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Chauffer |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1908 |
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 Joseph | Age | Birth yr |
|---|---|---|---|---|
| Charles Dunn | Head | — | 64 | ~1876 |
| James Dunn | Son | — | 23 | ~1917 |
| Mary Dunn | Spouse | — | 60 | ~1880 |
| Charles Dunn | Son | — | 39 | ~1901 |
| Charles Dunn | Other | — | 18 | ~1922 |
| Francis Dunn | Son | — | 27 | ~1913 |
| Marguerette Dunn | Daughter | — | 29 | ~1911 |
| Ellen Dunn | Daughter | — | 25 | ~1915 |
| Gertrude Dunn | Daughter | — | 19 | ~1921 |
| Joseph Dunn | Son | — | 32 | ~1908 |
Census Appearances
1930
Philadelphia, Pennsylvania
Other, age 21
Philadelphia, Pennsylvania · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Step-son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Age at First Marriage | 21 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Polisher |
| Industry | US Navy Yard |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 32
Philadelphia-County, Pennsylvania · implied b. ~1908 — 10 household members
| Surname | Dunn |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Chauffer |
| Industry | Lumber |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | No 8 |
| 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 Joseph Dunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Dunn
Son · 1940 · age 32 · b. ~1908 · Pennsylvania
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Sibling
James Dunn
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ellen Dunn
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Dunn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dunn
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Dunn
Sibling · 1940 · age 39
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marguerette Dunn
Sibling · 1940 · age 29
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-t0627-03706-00444)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgene Stazzieri | 4 | Daughter | — | Pennsylvania |
| 2 | Josephine Stazzieri | 3 | Daughter | — | Pennsylvania |
| 3 | James Doraty | 47 | Head | Laborer | Pennsylvania |
| 4 | Mary Doraty | 45 | Wife | Feeder | New York |
| 5 | Florence Doraty | 27 | Daughter | Spinner | Pennsylvania |
| 6 | James Doraty | 14 | Son | — | Pennsylvania |
| 7 | Emil Finkelman | 54 | Head | Dyer | Germany |
| 8 | Johanna Finkelman | 51 | Wife | — | Germany |
| 9 | Seifine Tucci | 41 | Head | Stone Mason | Italy |
| 10 | Teresa Tucci | 31 | Wife | — | Pennsylvania |
| 11 | Rita Tucci | 14 | Daughter | — | Pennsylvania |
| 12 | Ugo Tucci | 13 | Son | — | Pennsylvania |
| 13 | Elda Tucci | 11 | Daughter | — | Pennsylvania |
| 14 | Joseph Monaco | 26 | Boarder | Laborer | Pennsylvania |
| 15 | Charles Dunn | 64 | Head | Janitor | Pennsylvania |
| 16 | Mary Dunn | 60 | Wife | — | Pennsylvania |
| 17 | Joseph Dunn THIS PERSON | 32 | Son | Chauffer | Pennsylvania |
| 18 | Marguerette Dunn | 29 | Daughter | — | Pennsylvania |
| 19 | Francis Dunn | 27 | Son | Searching Paper | Pennsylvania |
| 20 | Ellen Dunn | 25 | Daughter | Golden Lady | Pennsylvania |
| 21 | James Dunn | 23 | Son | Helper | Pennsylvania |
| 22 | Gertrude Dunn | 19 | Daughter | — | Pennsylvania |
| 23 | Charles Dunn | 39 | Son | Clerk | Pennsylvania |
| 24 | Charles Dunn | 18 | Grandson | — | Pennsylvania |
| 25 | Joseph Mazzoni | 61 | Head | Odd Jobs | Italy |
| 26 | Caroline Mazzoni | 48 | Wife | — | Pennsylvania |
| 27 | Louis Mazzoni | 20 | Son | Drier | Pennsylvania |
| 28 | Anthony Mazzoni | 19 | Son | Laborer | Pennsylvania |
| 29 | Concetta Mazzoni | 17 | Daughter | Measurer | Pennsylvania |
| 30 | Samuel Mazzoni | 15 | Son | — | Pennsylvania |
| 31 | James Mazzoni | 13 | Son | — | Pennsylvania |
| 32 | Dominick Mazzoni | 13 | Son | — | Pennsylvania |
| 33 | Angelina Mazzoni | 11 | Daughter | — | Pennsylvania |
| 34 | Robert Mazzoni | 10 | Son | — | Pennsylvania |
| 35 | Joseph Mazzoni | 7 | Son | — | Pennsylvania |
| 36 | Alice Macintyre | 60 | Head | Machine Operator | England |
| 37 | Margaret Kemsley | 55 | Head | — | Pennsylvania |
| 38 | Bessie Kemsley | 34 | Daughter | Knitting | Pennsylvania |
| 39 | Anthony Alessio | 53 | Head | Stone Mason | Italy |
| 40 | Rose Alessio | 50 | Wife | — | Italy |
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)