JT
John Tracy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lorain, Ohio
Our Model Tree links this John Tracy across the 1930 and 1940 US Censuses in Lorain, Ohio (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.
Age 6
b. ~1924
Male
Son
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lorain, Ohio |
| Surname | Tracy |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Lorain City |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Robert Tracy | Son | — | 8 | ~1922 |
| John Tracy | Son | — | 6 | ~1924 |
| Agnes Tracy | Spouse | — | 37 | ~1893 |
| Joseph Tracy | Head | — | 39 | ~1891 |
| Lawrence Tracy | Son | — | 3 | ~1927 |
| Audrey Tracy | Daughter | — | 10 | ~1920 |
| Irene Tracy | Daughter | — | 15 | ~1915 |
Census Appearances
1930
Lorain, Ohio
Son, age 6
Lorain, Ohio · implied b. ~1924 — 7 household members
| Surname | Tracy |
| Given Name | John P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Canada-English |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lorain-County, Ohio
Son, age 16
Lorain-County, Ohio · implied b. ~1924 — 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 | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Elyria City |
| 1935 Residence (County) | Lorain |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Tracy
Son · 1930 · age 6 · b. ~1924 · Ohio
★ You are viewing this record
Sibling
Audrey Tracy
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Tracy
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Tracy
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Tracy
Sibling · 1930 · age 15
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 — Lorain, Ohio
Open full size
1930 US Federal Census — Lorain, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1830:0893)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Roy Branfort | 40 | Head | Janitor | Virginia |
| 52 | Blanche E. Branfort | 26 | Wife | — | Georgia |
| 53 | Orville L. Branfort | 6 | Son | — | Ohio |
| 54 | Jane L. Branfort | 1 | Daughter | — | Ohio |
| 55 | Sam L. Nichols | 48 | Father-in-law | Craneman | Georgia |
| 56 | Daniel J. Endrizal | 28 | Head | Mechanic | Czechoslovakia |
| 57 | Anna Endrizal | 23 | Wife | — | Pennsylvania |
| 58 | Gladys A. Endrizal | 2 | Daughter | — | Ohio |
| 59 | Mary Sandor | 18 | Boarder | Saleswoman | Ohio |
| 60 | Edward F. Novack | 31 | Head | Craneman | Ohio |
| 61 | Frances M. Novack | 31 | Wife | Presser | Ohio |
| 62 | Lillian Novack | 3 | Daughter | — | Ohio |
| 63 | Paul Kudela | 50 | Head | Gas Maker | Czechoslovakia |
| 64 | Rose Kudela | 21 | Daughter | Sew Pockets | Pennsylvania |
| 65 | Frank D. Kudela | 18 | Son | Sailor | Pennsylvania |
| 66 | Ottila Kudela | 15 | Daughter | — | Ohio |
| 67 | Paul J. Coats | 26 | Head | Clerk | Ohio |
| 68 | Mary H. Coats | 25 | Wife | — | Scotland |
| 69 | William J. Coats | 5 | Son | — | Ohio |
| 70 | Pauline G. Coats | 3 | Daughter | — | Ohio |
| 71 | Mike Wojtowicz | 55 | Head | Caster'S Help | Poland |
| 72 | Hattie Wojtowicz | 46 | Wife | — | Poland |
| 73 | Walter Wojtowicz | 16 | Son | Handy Man | Ohio |
| 74 | Joseph F. Laskowski | 15 | Step-son | — | Ohio |
| 75 | Stanley Laskowski | 12 | Step-son | — | Ohio |
| 76 | Frances Wojtowicz | 12 | Daughter | — | Ohio |
| 77 | Andy Wojtowicz | 10 | Son | — | Ohio |
| 78 | Charles Jurewicz | 50 | Boarder | Laborer | Poland |
| 79 | Joseph P. Tracy | 39 | Head | Salesman | Canada-English |
| 80 | Agnes I. Tracy | 37 | Wife | — | Ohio |
| 81 | Irene A. Tracy | 15 | Daughter | — | Canada-English |
| 82 | Audrey J. Tracy | 10 | Daughter | — | Ohio |
| 83 | Robert J. Tracy | 8 | Son | — | Ohio |
| 84 | John P. Tracy THIS PERSON | 6 | Son | — | Ohio |
| 85 | Lawrence Tracy | 3 | Son | — | Ohio |
| 86 | John Nowakowski | 62 | Head | — | Poland |
| 87 | Frances Nowakowski | 56 | Wife | — | Poland |
| 88 | William S. Nowakowski | 29 | Son | Meat Cutter | Poland |
| 89 | Jean P. Spencer | 50 | Head | — | Ohio |
| 90 | Amanda I. Mcelroy | 90 | Mother | — | Pennsylvania |
| 91 | Mabel S. Mchenry | 42 | Sister | Musician | Ohio |
| 92 | Frank B. Helinek | 54 | Roomer | Laborer | Illinois |
| 93 | John M. Schultz | 45 | Head | Painter & Decorator | Germany |
| 94 | William Bringers | 31 | Roomer | Salesman | Pennsylvania |
| 95 | James O'Keefe | 45 | Head | Crushing Machine | Irish Free State |
| 96 | Julia O'Keefe | 35 | Wife | — | Irish Free State |
| 97 | Elizabeth O'Keefe | 13 | Daughter | — | Irish Free State |
| 98 | Julia O'Keefe | 12 | Daughter | — | Irish Free State |
| 99 | Cornelius O'Keefe | 9 | Son | — | Irish Free State |
| 100 | Bridget O'Keefe | 7 | Daughter | — | Irish Free State |
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)