JT
John Tracy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this John Tracy across the 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 6-person household.
Age 12
b. ~1928
Male
Son
Born: Pennsylvania
Separated
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Separated |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Highest Grade | Grade 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Media |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Tracy | Head | — | 50 | ~1890 |
| John Tracy | Son | — | 12 | ~1928 |
| Anne Tracy | Spouse | — | 48 | ~1892 |
| Bernadine Tracy | Daughter | — | 14 | ~1926 |
| Mary Tracy | Daughter | — | 7 | ~1933 |
| Anne Tracy | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 2
Delaware, Pennsylvania · implied b. ~1928 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 12
Delaware-County, Pennsylvania · implied b. ~1928 — 6 household members
| Surname | Tracy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Separated |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Media |
| 1935 Residence (County) | Delaware |
| Highest Grade | Grade 6 |
| 1935 Residence | Same place |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Tracy
Son · 1940 · age 12 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Mary Tracy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Tracy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Tracy
Sibling · 1940 · age 14
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
1940 US Federal Census — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03493-00707)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edna C. Leal | 43 | Head | Stenographer | Pennsylvania |
| 42 | W. C. Leal | 68 | Mother | — | Pennsylvania |
| 43 | Ralph Kudermuth | 33 | Head | Associate Lawyer | Pennsylvania |
| 44 | Evelyn S. Kudermuth | 32 | Wife | — | Pennsylvania |
| 45 | Conrad C. Lesley | 44 | Head | State Supervisor | Pennsylvania |
| 46 | Louise H. Lesley | 37 | Wife | — | Pennsylvania |
| 47 | William H. Lesley | 9 | Son | — | Pennsylvania |
| 48 | Conrad C. Jr. Lesley | 7 | Son | — | Pennsylvania |
| 49 | Barbara A. Lesley | 5 | Daughter | — | Pennsylvania |
| 50 | Helen B. Theodore | 22 | Head | Bookkeeper | Pennsylvania |
| 51 | Margaret Heyburn | 65 | Head | — | Pennsylvania |
| 52 | (Full Record For Another Member Of Household But These Were More) Heyburn | None | — | — | — |
| 53 | Robert Fussell | 65 | Head | Chairman Board Of Directors | Pennsylvania |
| 54 | Alice Fussell | 65 | Sister | — | Pennsylvania |
| 55 | Morris H. Fussell | 27 | Nephew | Lawyer | Pennsylvania |
| 56 | Harold Woodward | 52 | Head | Manager | Pennsylvania |
| 57 | B. Kathryn Woodward | 50 | Wife | — | Pennsylvania |
| 58 | Victor Wilkins | 85 | Father-in-law | — | New Jersey |
| 59 | Mary L. Troatle | 31 | Lodger | Teacher | Pennsylvania |
| 60 | Jean E. Kanter | 22 | Lodger | Teacher | Connecticut |
| 61 | A. Clyde Pomoy | 47 | Head | Teacher | Pennsylvania |
| 62 | Marjorie Pomoy | 47 | Wife | — | Illinois |
| 63 | Douglas Pomoy | 20 | Son | Odd Jobs | Pennsylvania |
| 64 | Jeffrey Pomoy | 16 | Son | Clerk | Pennsylvania |
| 65 | John P. Baker | 69 | Head | — | Pennsylvania |
| 66 | George Kama | 52 | Head | Butcher | Pennsylvania |
| 67 | Catherine Kama | 50 | Wife | Local Agent | Pennsylvania |
| 68 | Elmer C. Kama | 47 | Brother | Attendant | Pennsylvania |
| 69 | Eugenia Eubank | 67 | Lodger | — | Georgia |
| 70 | Ernest Hossler | 80 | Lodger | Furniture Finisher | Germany |
| 71 | John Tracy | 50 | Head | Mechanic | Pennsylvania |
| 72 | Anne Tracy | 48 | Wife | — | Pennsylvania |
| 73 | Anne Tracy | 17 | Daughter | — | Pennsylvania |
| 74 | Bernadine Tracy | 14 | Daughter | — | Pennsylvania |
| 75 | John Tracy THIS PERSON | 12 | Son | — | Pennsylvania |
| 76 | Mary Tracy | 7 | Daughter | — | Pennsylvania |
| 77 | Edward Cushnie | 44 | Head | Civil Engineer | Pennsylvania |
| 78 | Mildred Cushnie | 42 | Wife | — | Pennsylvania |
| 79 | George Cushnie | 6 | Son | — | Pennsylvania |
| 80 | Geo. T. Russe | 65 | Father-in-law | Foreman | Pennsylvania |
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)