JD
John Dunn — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Dunn across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Dennis & Mary — first a head (b.~1880), then head of a 6-person household.
Age 50
b. ~1880
Male
Head
Born: Rhode Island
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Dunn |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Doctor |
| Industry | Medicine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 69.50 |
| Radio Set | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Occupation | Doctor |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1880 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sarah Dunn | Daughter | — | 12 | ~1918 |
| John Dunn | Head | — | 50 | ~1880 |
| Edward Dunn | Son | — | 10 | ~1920 |
| John Dunn | Son | — | 16 | ~1914 |
| George Dunn | Son | — | 14 | ~1916 |
| Mary Dunn | Spouse | — | 48 | ~1882 |
Census Appearances
1910
Philadelphia, Pennsylvania
Son, age 33
Philadelphia, Pennsylvania · implied b. ~1877 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Rhode Island |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Physician |
| Industry | Own Office |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1920
Phila, Pennsylvania
Head, age 41
Phila, Pennsylvania · implied b. ~1879 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dunn |
| Given Name | John F. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Physician |
| Industry | General Practice |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Philadelphia, Pennsylvania
Head, age 50
Philadelphia, Pennsylvania · implied b. ~1880 — 6 household members
| Surname | Dunn |
| Given Name | John J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 21 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | Doctor |
| Industry | Medicine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 69.50 |
| Radio Set | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 John Dunn across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Dennis Dunn (~0.92 confidence) and mother Mary Dunn (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Dennis Dunn
b. ~1846
Source father
● Household
· direct · ~0.92
Mother
Mary Dunn
b. ~1856
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Dunn
Head · 1930 · age 50 · b. ~1880 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2111:0583)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Dunn THIS PERSON | 50 | Head | Doctor | Rhode Island |
| 2 | Mary Dunn | 48 | Wife | — | Pennsylvania |
| 3 | John Dunn | 16 | Son | — | Pennsylvania |
| 4 | George Dunn | 14 | Son | — | Pennsylvania |
| 5 | Sarah Dunn | 12 | Daughter | — | Pennsylvania |
| 6 | Edward Dunn | 10 | Son | — | Pennsylvania |
| 7 | Elmer C Long | 37 | Head | Accountant | Pennsylvania |
| 8 | Helman Long | 32 | Wife | — | Pennsylvania |
| 9 | Elmer J Long | 8 | Son | — | Pennsylvania |
| 10 | Paul A Long | 5 | Son | — | Pennsylvania |
| 11 | Mary Long | 2 | Daughter | — | Pennsylvania |
| 12 | Clarence Carter | 48 | Guest | — | Pennsylvania |
| 13 | Gerard Reading | 48 | Guest | Watchman | District of Columbia |
| 14 | William Turner | 57 | Head | Pipe Coverer | Pennsylvania |
| 15 | Cathryn Turner | 52 | Wife | — | Pennsylvania |
| 16 | Wilmer Baker | 41 | Head | Surveyor | Pennsylvania |
| 17 | Edna S Baker | 39 | Wife | Manager | Pennsylvania |
| 18 | Edna V Baker | 13 | Daughter | — | Pennsylvania |
| 19 | Harriet Stull | 55 | Guest | — | Pennsylvania |
| 20 | Margaret Meloney | 68 | Mother-in-law | Teacher | Pennsylvania |
| 21 | John Harold | 32 | Head | — | Pennsylvania |
| 22 | Ethel Harold | 31 | Wife | Supt. | Pennsylvania |
| 23 | George Harold | 28 | Brother | — | Pennsylvania |
| 24 | James Harold | 4 | Son | — | Pennsylvania |
| 25 | James Harold | 1 | Son | — | Pennsylvania |
| 26 | Wilmer Fortner | 62 | Head | — | Pennsylvania |
| 27 | Mary C Fortner | 51 | Wife | Estimator | Pennsylvania |
| 28 | Clara Lane | 76 | Mother-in-law | — | Pennsylvania |
| 29 | Cathryn Emich | 47 | Sister-in-law | Trimmer | Pennsylvania |
| 30 | Sarah Emich | 45 | Sister-in-law | Trimmer | Pennsylvania |
| 31 | Louise Campbell | 47 | Head | Salesman | Maryland |
| 32 | James Campbell | 19 | Son | — | Maryland |
| 33 | Louise Campbell | 17 | Daughter | — | Maryland |
| 34 | Helen Campbell | 11 | Daughter | — | Pennsylvania |
| 35 | Ella Campbell | 67 | Mother | — | Pennsylvania |
| 36 | Charles Westenberger | 55 | Head | — | Pennsylvania |
| 37 | Laura Westenberger | 55 | Wife | — | Pennsylvania |
| 38 | John Pauley | 25 | Boarder | Case Of Goods | Pennsylvania |
| 39 | Ada Green | 18 | Boarder | — | Texas |
| 40 | Jesse Green | 18 | Boarder | Foreman | Texas |
| 41 | Maurice Lazarus | 23 | Head | — | Pennsylvania |
| 42 | Carl Albert Lazarus | 24 | Brother | Salesman | Pennsylvania |
| 43 | Albert Hizet | 25 | Guest | Mechanic | Pennsylvania |
| 44 | Horace Schaffer | 46 | Head | Clerk | Pennsylvania |
| 45 | George Schaffer | 45 | Wife | Truck Driver | Pennsylvania |
| 46 | John B Macloud | 55 | Head | — | New Jersey |
| 47 | Mabel C Macloud | 44 | Wife | Yes | Delaware |
| 48 | Dorothy Macloud | 18 | Daughter | — | Delaware |
| 49 | John Orr | 58 | Head | — | Delaware |
| 50 | Margaret Orr | 58 | Wife | Manicurist | Pennsylvania |
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)