WM
William Mahoney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lackawanna, Pennsylvania
Our Model Tree links this William Mahoney across the 1920 and 1930 US Censuses in Lackawanna, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1911), then head of a 10-person household.
Age 19
b. ~1911
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lackawanna, Pennsylvania |
| Surname | Mahoney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| 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 | Scranton City |
| Est. Birth Year | ~1911 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Marian Mahoney | Daughter | — | 5 | ~1925 |
| William Mahoney | Son | — | 19 | ~1911 |
| John Mahoney | Head | — | 47 | ~1883 |
| Elizabeth Mahoney | Daughter | — | 9 | ~1921 |
| Anna Mahoney | Daughter | — | 3 | ~1927 |
| Vincent Mahoney | Son | — | 11 | ~1919 |
| Theodore Mahoney | Son | — | 17 | ~1913 |
| John Mahoney | Son | — | 15 | ~1915 |
| Catherine Mahoney | Other | — | 41 | ~1889 |
| Ralph Mahoney | Son | — | 13 | ~1917 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 9
Lackawanna, Pennsylvania · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| 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
Lackawanna, Pennsylvania
Son, age 19
Lackawanna, Pennsylvania · implied b. ~1911 — 10 household members
| Surname | Mahoney |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| 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 William Mahoney across 2 US Census years (1920 and 1930) in Lackawanna, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Mahoney
Son · 1930 · age 19 · b. ~1911 · Pennsylvania
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Sibling
John Mahoney
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Vincent Mahoney
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theodore Mahoney
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marian Mahoney
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Mahoney
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Mahoney
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Mahoney
Sibling · 1930 · age 9
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 — Lackawanna, Pennsylvania
Open full size
1930 US Federal Census — Lackawanna, Pennsylvania
Page Contents
49 people indexed on this census page (ia:1930:fifteenthcensus00reel2054:0506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Marticci | 40 | Head | Labor | Italy |
| 2 | Lucia Marticci | 34 | Wife-H | — | Italy |
| 3 | Vito Marticci | 12 | Son | — | Pennsylvania |
| 4 | Anthony Marticci | 6 | Son | — | Pennsylvania |
| 5 | Mary Marticci | 3 | Daughter | — | Pennsylvania |
| 6 | Peter Gawelko | 41 | Head | Carpenter | Poland |
| 7 | Stella Gawelko | 34 | Wife-H | — | Poland |
| 8 | Harrett Gawelko | 16 | Daughter | — | Pennsylvania |
| 9 | Florence Gawelko | 15 | Daughter | — | Pennsylvania |
| 10 | Felicia Gawelko | 10 | Daughter | — | Pennsylvania |
| 11 | Arthur Robinson | 44 | Head | Carpenter | Pennsylvania |
| 12 | Alice Robinson | 38 | Wife-H | — | Pennsylvania |
| 13 | Jean Robinson | 7 | Daughter | — | Pennsylvania |
| 14 | Mary Robinson | 2 | Daughter | — | Pennsylvania |
| 15 | Joseph Zenker | 33 | Head | Brick Layer | Pennsylvania |
| 16 | Lena Zenker | 31 | Wife-H | — | Pennsylvania |
| 17 | Delores Zenker | 7 | Daughter | — | Pennsylvania |
| 18 | Joseph Zenker | 5 | Son | — | Pennsylvania |
| 19 | Rose Zenker | 3 | Daughter | — | Pennsylvania |
| 20 | Edward Ostrowski | 27 | Head | Labor | Pennsylvania |
| 21 | Alice Ostrowski | 26 | Wife-H | — | Pennsylvania |
| 22 | Florence Ostrowski | 5 | Daughter | — | Pennsylvania |
| 23 | Walter Ostrowski | 4 | Son | — | Pennsylvania |
| 24 | Thos. J. Duffy | 39 | Head | Painter | Pennsylvania |
| 25 | Helen Duffy | 31 | Wife-H | — | Pennsylvania |
| 26 | Helen Duffy | 0 | Daughter | — | Pennsylvania |
| 27 | John Mahoney | 47 | Head | Machinist | Pennsylvania |
| 28 | Catherine Mahoney | 41 | Wife-H | — | Pennsylvania |
| 29 | William Mahoney THIS PERSON | 19 | Son | — | Pennsylvania |
| 30 | Theodore Mahoney | 17 | Son | — | Pennsylvania |
| 31 | John Jr. Mahoney | 15 | Son | — | Pennsylvania |
| 32 | Ralph Mahoney | 13 | Son | — | Pennsylvania |
| 33 | Vincent Mahoney | 11 | Son | — | Pennsylvania |
| 34 | Elizabeth Mahoney | 9 | Daughter | — | Pennsylvania |
| 35 | Marian Mahoney | 5 | Daughter | — | Pennsylvania |
| 36 | Anna Mahoney | 3 | Daughter | — | Pennsylvania |
| 37 | Milton Richard | 36 | Head | Labor | Pennsylvania |
| 38 | Mary Richard | 32 | Wife-H | — | Ireland FS |
| 39 | George Richard | 4 | Son | — | Pennsylvania |
| 40 | William Richard | 1 | Son | — | Pennsylvania |
| 41 | Francis Mcgraengney | 62 | Brother-in-law | — | Ireland FS |
| 42 | Joseph Mcgraengney | 27 | Nephew | Salesman | Pennsylvania |
| 43 | James Hanley | 43 | Head | Helper | Pennsylvania |
| 44 | Agnes Hanley | 42 | Wife-H | — | Pennsylvania |
| 45 | James Jr. Hanley | 15 | Son | — | Pennsylvania |
| 46 | Edward Hanley | 12 | Son | — | Pennsylvania |
| 47 | Alicia Hanley | 10 | Daughter | — | Pennsylvania |
| 48 | John Hanley | 6 | Son | — | Pennsylvania |
| 49 | Patrick Sweeney | 18 | Lodger | — | 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)