JH
John Haas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this John Haas across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 8-person household.
Age 14
b. ~1916
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Haas |
| Given Name | John H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mckees Rocks Borough |
| Est. Birth Year | ~1916 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Bernard Haas | Son | — | 12 | ~1918 |
| Otildia Haas | Spouse | — | 42 | ~1888 |
| Amelia Haas | Daughter | — | 7 | ~1923 |
| John Haas | Son | — | 14 | ~1916 |
| Verona Haas | Daughter | — | 17 | ~1913 |
| Hubert Haas | Son | — | 3 | ~1927 |
| Rose Haas | Daughter | — | 19 | ~1911 |
| John Haas | Head | — | 44 | ~1886 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hass |
| Given Name | John J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 14
Allegheny, Pennsylvania · implied b. ~1916 — 8 household members
| Surname | Haas |
| Given Name | John H. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| 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 Haas across 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
John Haas
Son · 1930 · age 14 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Amelia Haas
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hubert Haas
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verona Haas
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Haas
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Haas
Sibling · 1930 · age 12
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:fifteenthcensus00reel1966:0349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Henry S. Robson | 35 | Head | Core-Maker | Pennsylvania |
| 52 | Lois V. Robson | 29 | Wife | — | Pennsylvania |
| 53 | Thelma M. Robson | 7 | Daughter | — | Pennsylvania |
| 54 | Robert J. Robson | 5 | Son | — | Pennsylvania |
| 55 | Emelia A. Bradney | 59 | Mother-in-law | Paintress | Pennsylvania |
| 56 | Mary Seibert | 56 | Head | — | Germany |
| 57 | Joseph C. Seibert | 30 | Son | Pattern Maker | Pennsylvania |
| 58 | Adolph J. Seibert | 27 | Head | Machinist Helper | Pennsylvania |
| 59 | Emma M. Seibert | 29 | Wife | — | Pennsylvania |
| 60 | Adolph J. Jr. Seibert | 1 | Son | — | Pennsylvania |
| 61 | Margaret Traynor | 48 | Head | — | Ohio |
| 62 | Margaret A. Traynor | 23 | Daughter | Stenographer | Pennsylvania |
| 63 | Lucy M. Traynor | 21 | Daughter | Saleslady | Pennsylvania |
| 64 | Thomas P. Traynor | 19 | Son | Buffer | Pennsylvania |
| 65 | Alice V. Traynor | 12 | Daughter | — | Pennsylvania |
| 66 | Elizabeth Traynor | 2 | Daughter | — | Pennsylvania |
| 67 | Nicholas Barnhart | 44 | Head | Laborer | Austria-Hungary |
| 68 | Anna Barnhart | 45 | Wife | — | Austria-Hungary |
| 69 | Anna R. Barnhart | 19 | Daughter | Housework | Pennsylvania |
| 70 | Barbara Barnhart | 16 | Daughter | — | Pennsylvania |
| 71 | Nicholas Barnhart | 11 | Son | — | Pennsylvania |
| 72 | Matthew Barnhart | 8 | Son | — | Pennsylvania |
| 73 | Margaret Barnhart | 5 | Daughter | — | Pennsylvania |
| 74 | John H. Haas | 44 | Head | Foreman | Pennsylvania |
| 75 | Otildia Haas | 42 | Wife | — | Pennsylvania |
| 76 | Rose C. Haas | 19 | Daughter | Saleslady | Pennsylvania |
| 77 | Verona S. Haas | 17 | Daughter | Operator | Pennsylvania |
| 78 | John H. Jr. Haas THIS PERSON | 14 | Son | — | Pennsylvania |
| 79 | Bernard A. Haas | 12 | Son | — | Pennsylvania |
| 80 | Amelia P. Haas | 7 | Daughter | — | Pennsylvania |
| 81 | Hubert R. Haas | 3 | Son | — | Pennsylvania |
| 82 | Edward A. O'Brien | 51 | Head | Engineer | Ohio |
| 83 | Sarah O'Brien | 47 | Wife | Saleslady | Pennsylvania |
| 84 | Margaret M. O'Brien | 26 | Daughter | Clerk | Pennsylvania |
| 85 | Madeline M. O'Brien | 22 | Daughter | — | Pennsylvania |
| 86 | Mary M. O'Brien | 18 | Daughter | Saleslady | Pennsylvania |
| 87 | Loretta M. O'Brien | 16 | Daughter | — | Pennsylvania |
| 88 | Loretta M. Rock | 26 | Niece | Saleslady | Pennsylvania |
| 89 | Mary M. Dombrosky | 45 | Head | — | Pennsylvania |
| 90 | Andrew A. Dombrosky | 22 | Son | Pipe-Fitter | Pennsylvania |
| 91 | Ruth M. Dombrosky | 20 | Daughter | Clerk | Pennsylvania |
| 92 | Henry F. Bernert | 37 | Head | Machinist | Pennsylvania |
| 93 | Alice E. Bernert | 38 | Wife | — | Ohio |
| 94 | Alice E. Bernert | 15 | Daughter | — | Pennsylvania |
| 95 | Henry J. Bernert | 13 | Son | — | Pennsylvania |
| 96 | William R. Bernert | 9 | Son | — | Pennsylvania |
| 97 | Mary M. Bernert | 1 | Daughter | — | Pennsylvania |
| 98 | John M. Kenny | 42 | Head | Conductor | Pennsylvania |
| 99 | Bessie M. Kenny | 42 | Wife | — | Ohio |
| 100 | Bernadette Kenny | 15 | Daughter | — | 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)