JT
John Thompson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Thompson across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Margaret — first a head (b.~1898), then head of a 3-person household.
Age 32
b. ~1898
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Salesman |
| Industry | Park Packer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5700 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Salesman |
| Township / Ward | Philadelphia City |
| 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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Thompson | Head | — | 32 | ~1898 |
| Horace Thompson | Son | — | 3 | ~1927 |
| Dorothy Thompson | Spouse | — | 23 | ~1907 |
Census Appearances
1920
Montgomery, Pennsylvania
Son, age 22
Montgomery, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1913 |
| Naturalization Status | Alien |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Reamer |
| Industry | Ship yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Philadelphia, Pennsylvania
Head, age 32
Philadelphia, Pennsylvania · implied b. ~1898 — 3 household members
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 27 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Industry | Park Packer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 5700 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Other, age 42
Philadelphia-County, Pennsylvania · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | John |
| Relationship to Head | Brother-in-law |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New Jersey |
| Naturalization Status | Naturalized |
| Occupation | Walking Man |
| Industry | Walking Corp. |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 851 |
| Highest Grade | No 8 |
| 1935 Residence | New Jersey |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Thompson across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father George Thompson (~0.92 confidence) and mother Margaret Thompson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Thompson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Margaret Thompson
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Thompson
Head · 1930 · age 32 · b. ~1898 · 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:fifteenthcensus00reel2130rs:0952)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Jr. Duffy | 8 | Son | — | Pennsylvania |
| 2 | Grace Duffy | 10 | Daughter | — | Pennsylvania |
| 3 | John Ramzano | 25 | Head | Agent | Pennsylvania |
| 4 | Mary Ramzano | 27 | Wife | — | Pennsylvania |
| 5 | John Ramzano | 7 | Son | — | Pennsylvania |
| 6 | Joseph Ramzano | 9 | Son | — | Pennsylvania |
| 7 | Catherine Duffy | 46 | Head | — | Pennsylvania |
| 8 | Thomas Duffy | 16 | Son | — | Pennsylvania |
| 9 | Joseph Duffy | 11 | Son | — | Pennsylvania |
| 10 | Irene Catherine Duffy | 22 | Boarder | Typist | Pennsylvania |
| 11 | Harry Duffy | 27 | Boarder | — | Virginia |
| 12 | Frank W. Holden | 26 | Head | Clerk | Pennsylvania |
| 13 | Mary A. Holden | 33 | Wife | — | Pennsylvania |
| 14 | Frank Holden | 3 | Son | — | Pennsylvania |
| 15 | Rose Mary Holden | 2 | Daughter | — | Pennsylvania |
| 16 | John Riley | 45 | Head | Police Officer | Pennsylvania |
| 17 | Alice Riley | 29 | Wife | — | Pennsylvania |
| 18 | Alice Riley | 6 | Daughter | — | Pennsylvania |
| 19 | Catherine Riley | 4 | Daughter | — | Pennsylvania |
| 20 | John Riley | 2 | Son | — | Pennsylvania |
| 21 | Margaret Ellen Riley | 57 | Mother-in-law | — | Ireland |
| 22 | Joseph Lynch | 25 | Head | Salesman | Pennsylvania |
| 23 | Helen Lynch | 23 | Wife | — | Pennsylvania |
| 24 | Joseph Lynch | 2 | Son | — | Pennsylvania |
| 25 | Mary Luman | 25 | Sister-in-law | — | Pennsylvania |
| 26 | William Luman | 30 | Brother-in-law | Clerk | Pennsylvania |
| 27 | Marie Luman | 6 | Niece | — | Pennsylvania |
| 28 | John Thompson THIS PERSON | 32 | Head | Salesman | Ireland |
| 29 | Dorothy Thompson | 23 | Wife | — | Pennsylvania |
| 30 | Horace Thompson | 3 | Son | — | Pennsylvania |
| 31 | Patrick J. Dunn | 44 | Head | Schaffer | Ireland |
| 32 | Elizabeth Dunn | 44 | Wife | — | Ireland |
| 33 | William Dunn | 24 | Son | Machinist | Pennsylvania |
| 34 | Elizabeth Dunn | 23 | Daughter | Typist | Pennsylvania |
| 35 | Catherine Ferguson | 21 | Daughter | — | Pennsylvania |
| 36 | Margaret Dunn | 18 | Daughter | Saleslady | Pennsylvania |
| 37 | Alice M. Dunn | 15 | Daughter | — | Pennsylvania |
| 38 | James M. White | 32 | Head | Motorman | Pennsylvania |
| 39 | Catherine White | 30 | Wife | — | Pennsylvania |
| 40 | Catherine M. White | 9 | Daughter | — | Pennsylvania |
| 41 | Rita Marie White | 7 | Daughter | — | Pennsylvania |
| 42 | Margaret T. White | 1 | Daughter | — | Pennsylvania |
| 43 | John Burns | 39 | Head | Clerk | Pennsylvania |
| 44 | Anna Burns | 39 | Wife | — | Pennsylvania |
| 45 | Clarence Cedums | 37 | Head | Pressman | Virginia |
| 46 | Helen Cedums | 27 | Wife | — | Pennsylvania |
| 47 | Donald G. Barrington | 9 | Boarder | — | Pennsylvania |
| 48 | William O'Connell | 18 | Boarder | — | Illinois |
| 49 | Raymond Mcburnie | 12 | Boarder | — | Pennsylvania |
| 50 | Edith Mcburnie | 8 | Boarder | — | 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)