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Thomas Dunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Thomas Dunn across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 3-person household.
Age 42
b. ~1898
Male
Head
Born: Penna
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Dunn |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1496 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Machine Operator |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1898 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Dunn | Head | — | 42 | ~1898 |
| Thomas Dunn | Son | — | 17 | ~1923 |
| Florence Dunn | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Philadelphia, Pennsylvania
Head, age 21
Philadelphia, Pennsylvania · implied b. ~1899 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Thomas Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Penna |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Longshoreman |
| Industry | Wharves |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Head, age 32
Philadelphia, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Penna. |
| Age at First Marriage | 26 |
| Father's Birthplace | N. Ireland |
| Mother's Birthplace | N. Ireland |
| Occupation | Pipe Fitter |
| Industry | Heating, Plumbing |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Veteran | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Head, age 42
Philadelphia-County, Pennsylvania · implied b. ~1898 — 3 household members
| Surname | Dunn |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Machine Operator |
| Industry | arsenal |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1496 |
| Highest Grade | No 8 |
| 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 Thomas Dunn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Dunn
Head · 1940 · age 42 · b. ~1898 · Pennsylvania
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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
22 people indexed on this census page (nara:1940:m-t0627-03714-00713)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walter Orrington | 27 | Head | Auto Painter | North Carolina |
| 2 | Lillian O Orrington | 24 | Wife | — | Penna |
| 3 | Richard Orrington | 3 | Son | — | Penna |
| 4 | Lillian Orrington | 2 | Daughter | — | Penna |
| 5 | Walter Orrington | 1 | Son | — | Penna |
| 6 | Albert Hoggans | 19 | Head | Laborer + Entertainer | Penna |
| 7 | Ernestine O Hoggans | 19 | Wife | — | Penna |
| 8 | Ernestine Hoggans | 0 | Daughter | — | Penna |
| 9 | Glover Jamison | 69 | Head | — | South Carolina |
| 10 | Lessie Jamison | 69 | Wife | — | South Carolina |
| 11 | Henry Felder | 28 | Lodger | Mover | South Carolina |
| 12 | Catherine Felder | 28 | Wife | Domestic | South Carolina |
| 13 | James Ballups | 32 | Head | Cook | South Carolina |
| 14 | Emma O Ballups | 30 | Wife | — | South Carolina |
| 15 | Ruth O Gribbiths | 40 | Head | Domestic | Penna |
| 18 | Harry M Griller | 34 | Head | Drugs | Penna |
| 19 | Lillie O Griller | 32 | Wife | — | Penna |
| 20 | Cynthia Griller | 9 | Daughter | — | Penna |
| 21 | Helen Griller | 3 | Daughter | — | Penna |
| 22 | Thomas Dunn THIS PERSON | 42 | Head | Machine Operator | Penna |
| 23 | Florence Dunn | 39 | Wife | Maid | Penna |
| 24 | Thomas Dunn | 17 | Son | — | 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)