JL
John Leary — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Leary across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 2
b. ~1928
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Leary |
| 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 |
| Additional Details | |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Baldwin Township |
| 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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Raymond Leary | Son | — | 14 | ~1916 |
| John Leary | Son | — | 2 | ~1928 |
| Ernest Leary | Son | — | 5 | ~1925 |
| William Leary | Son | — | 8 | ~1922 |
| Hilda Leary | Spouse | — | 31 | ~1899 |
| George Leary | Head | — | 33 | ~1897 |
| Milton Leary | Son | — | 12 | ~1918 |
Census Appearances
1930
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1928 — 7 household members
| Surname | Leary |
| 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 |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 13
Allegheny-County, Pennsylvania · implied b. ~1927 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larry |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Homestead |
| 1935 Residence (County) | Allegheny |
| Highest Grade | 7 |
| 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 Leary across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Leary
Son · 1930 · age 2 · b. ~1928 · Pennsylvania
★ You are viewing this record
Sibling
Ernest Leary
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Leary
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Leary
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Leary
Sibling · 1930 · age 8
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 — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1960:0049)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Josephine Grameri | 14 | daughter | None | Italy |
| 2 | Frank Bates | 49 | Head | Carpenter | Pennsylvania |
| 3 | Florence Bates | 44 | wife | None | Pennsylvania |
| 4 | Charles Bates | 21 | son | Book Binder | Pennsylvania |
| 5 | George Mifler | 49 | brother-in-law | Laborer | Pennsylvania |
| 6 | Andrew Schragel | 41 | Head | Laborer | Austria Salzburg |
| 7 | Mildred Schragel | 24 | daughter | Factory Hand | Pennsylvania |
| 8 | Isabel Gundman | 23 | daughter | Servant | Pennsylvania |
| 9 | George Schragel | 19 | son | Assembler | Pennsylvania |
| 10 | Hattie Bortle | 18 | daughter | Waitress | Pennsylvania |
| 11 | Edward Schragel | 16 | son | Laborer | Pennsylvania |
| 12 | Anthony Schragel | 14 | son | None | Pennsylvania |
| 13 | Marie Schragel | 9 | daughter | None | Pennsylvania |
| 14 | Margaret Schragel | 7 | daughter | None | Pennsylvania |
| 15 | Albert Schragel | 5 | son | None | Pennsylvania |
| 16 | Dorothy May Schragel | 1 | daughter | None | Pennsylvania |
| 17 | John Holdstock | 72 | Head | None | Germany |
| 18 | Carolina Holdstock | 67 | wife | None | Pennsylvania |
| 19 | Peter Rossanovich | 52 | Head | None | Serbia |
| 20 | Mary Rossanovich | 42 | wife | None | Serbia |
| 21 | Nellie Rossanovich | 16 | daughter | None | Pennsylvania |
| 22 | Marie Rossanovich | 20 | daughter | Sales Lady | Pennsylvania |
| 23 | Joseph Brehner | 33 | Head | Clerk | Pennsylvania |
| 24 | Edith Brehner | 31 | wife | None | Pennsylvania |
| 25 | Eileen Brehner | 4 | daughter | None | Pennsylvania |
| 26 | Hazel Brehner | 1 | daughter | None | Pennsylvania |
| 27 | Charles Piffel | 42 | Head | Laborer | Germany |
| 28 | Annie Piffel | 42 | wife | None | Ireland |
| 29 | Agnes Piffel | 15 | daughter | None | Pennsylvania |
| 30 | Mary Piffel | 12 | daughter | None | Pennsylvania |
| 31 | William Piffel | 13 | daughter | None | Pennsylvania |
| 32 | Anna Piffel | 10 | daughter | None | Pennsylvania |
| 33 | Dorothy Piffel | 3 | daughter | None | Pennsylvania |
| 34 | Agnes Donley | 27 | cousin | None | Pennsylvania |
| 35 | Frank Burnham | 47 | Head | Packer | Pennsylvania |
| 36 | Annie Burnham | 43 | wife | None | Pennsylvania |
| 37 | Philip Gord | 71 | father-in-law | None | Germany |
| 38 | Eleanora Gord | 37 | sister-in-law | Seamstress | Pennsylvania |
| 39 | George Leary | 33 | Head | Auto Repairman | Pennsylvania |
| 40 | Hilda Leary | 31 | wife | None | Pennsylvania |
| 41 | Raymond Leary | 14 | son | None | Pennsylvania |
| 42 | Milton Leary | 12 | son | None | Pennsylvania |
| 43 | William Leary | 8 | son | None | Pennsylvania |
| 44 | Ernest Leary | 5 | son | None | Pennsylvania |
| 45 | John Leary THIS PERSON | 2 | son | None | Pennsylvania |
| 46 | Anton Belzle | 64 | Head | Gardener | Germany |
| 47 | Emma Belzle | 54 | wife | None | Germany |
| 48 | Stella Belzle | 14 | daughter | None | Pennsylvania |
| 49 | Herbert Belzle | 19 | son | Repairman | Pennsylvania |
| 50 | David Mccomb | 35 | Head | Laborer | Pennsylvania |
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)