JT
John Tracy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Luzerne, Pennsylvania
Our Model Tree links this John Tracy across the 1910, 1920 and 1930 US Censuses in Luzerne, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Catherine — first a son (b.~1905), then head of a 7-person household.
Age 25
b. ~1905
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Luzerne, Pennsylvania |
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Dentist |
| Industry | Own Office |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Dentist |
| Township / Ward | Pittston City |
| Est. Birth Year | ~1905 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Tracy | Head | — | 53 | ~1877 |
| William Tracy | Son | — | 22 | ~1908 |
| John Tracy | Son | — | 25 | ~1905 |
| Joseph Tracy | Son | — | 19 | ~1911 |
| Marcella Sullivan | Other | — | 35 | ~1895 |
| Edward Tracy | Son | — | 25 | ~1905 |
| Joseph Sullivan | Other | — | 75 | ~1855 |
Census Appearances
1910
Luzerne, Pennsylvania
Son, age 5
Luzerne, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Luzerne, Pennsylvania
Son, age 15
Luzerne, Pennsylvania · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracey |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Luzerne, Pennsylvania
Son, age 25
Luzerne, Pennsylvania · implied b. ~1905 — 7 household members
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Dentist |
| Industry | Own Office |
| Class of Worker | OA |
| Can Read/Write | Yes |
| 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 John Tracy across 3 US Census years (1910, 1920 and 1930) in Luzerne, Pennsylvania, using XGBoost record linkage. Identified parents: father Frank Tracy (~0.92 confidence) and mother Catherine Tracy (~0.92 confidence) and mother Catherine Tracy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Tracy
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Catherine Tracy
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Catherine Tracy
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Tracy
Son · 1930 · age 25 · b. ~1905 · Pennsylvania
★ You are viewing this record
Sibling
William Tracy
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Tracy
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Tracy
Sibling · 1930 · age 25
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
1930 US Federal Census — Luzerne, Pennsylvania
Open full size
1930 US Federal Census — Luzerne, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2071:0169)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Naples | 19 | Son | Painter | Pennsylvania |
| 2 | Mary Naples | 18 | Daughter | Saleslady | Pennsylvania |
| 3 | Catherine Naples | 16 | Daughter | — | Pennsylvania |
| 4 | Rose Naples | 15 | Son | — | Pennsylvania |
| 5 | Lucy Naples | 13 | Daughter | — | Pennsylvania |
| 6 | Salvatore Naples | 10 | Son | — | Pennsylvania |
| 7 | Charles Naples | 7 | Son | — | Pennsylvania |
| 8 | Pasquale Pizzano | 37 | Head | — | Italy |
| 9 | Alice Pizzano | 37 | Wife | — | Pennsylvania |
| 10 | Carmine Pizzano | 11 | Son | — | Pennsylvania |
| 11 | Elizabeth Pizzano | 10 | Daughter | — | Pennsylvania |
| 12 | Rose Pizzano | 9 | Daughter | — | Pennsylvania |
| 13 | Mary Pizzano | 7 | Daughter | — | Pennsylvania |
| 14 | Evan W. Evans | 62 | Head | Coal Loader | Pennsylvania |
| 15 | Sarah Evans | 58 | Wife | — | Pennsylvania |
| 16 | Helen Evans | 19 | Daughter | — | Pennsylvania |
| 17 | Catherine Tracy | 53 | Head | — | Pennsylvania |
| 18 | Edward Tracy | 25 | Son | Salesman | Pennsylvania |
| 19 | John Tracy THIS PERSON | 25 | Son | Dentist | Pennsylvania |
| 20 | William Tracy | 22 | Son | Helper | Pennsylvania |
| 21 | Joseph Tracy | 19 | Son | Assistant | Pennsylvania |
| 22 | Joseph Sullivan | 75 | Brother | — | Pennsylvania |
| 23 | Marcella Sullivan | 35 | Sister | — | Pennsylvania |
| 24 | Leo Sasso | 32 | Head | Fireman | Pennsylvania |
| 25 | Mary Sasso | 27 | Wife | — | Pennsylvania |
| 26 | Gaetano Sasso | 1 | Son | — | Pennsylvania |
| 27 | Attilio Colarusso | 43 | Head | — | Italy |
| 28 | Nellie Colarusso | 33 | Wife | — | Italy |
| 29 | Lena Colarusso | 11 | Daughter | — | Pennsylvania |
| 30 | Anna Colarusso | 10 | Daughter | — | Pennsylvania |
| 31 | James Colarusso | 7 | Son | — | Pennsylvania |
| 32 | Alfonso Colarusso | 37 | Head | Miner | Italy |
| 33 | Mary Colarusso | 36 | Wife | — | Italy |
| 34 | Mary Colarusso | 15 | Daughter | — | Pennsylvania |
| 35 | James Colarusso | 13 | Son | — | Pennsylvania |
| 36 | Louis Colarusso | 12 | Son | — | Pennsylvania |
| 37 | Carmine Colarusso | 10 | Son | — | Pennsylvania |
| 38 | Joseph Colarusso | 8 | Son | — | Pennsylvania |
| 39 | August Patrick | 58 | Head | — | Austria |
| 40 | Mary Patrick | 49 | Wife | — | Pennsylvania |
| 41 | Margaret Patrick | 23 | Daughter | — | Pennsylvania |
| 42 | James Patrick | 19 | Son | Laborer | Pennsylvania |
| 43 | John Patrick | 15 | Son | — | Pennsylvania |
| 44 | Helen Patrick | 14 | Daughter | — | Pennsylvania |
| 45 | William Patrick | 13 | Son | — | Pennsylvania |
| 46 | Terrance Patrick | 10 | Son | — | Pennsylvania |
| 47 | Joseph Patrick | 8 | Son | — | Pennsylvania |
| 48 | Francis Patrick | 6 | Son | — | Pennsylvania |
| 49 | Mary Baranauskas | 33 | Head | — | Lithuania |
| 50 | Joseph Baranauskas | 7 | Son | — | Pennsylvania |
Pedigree Summary
John + 3 siblings
Gen 1 · 3 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)