MH
Mary Hennessey — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Fayette, Pennsylvania
Our Model Tree links this Mary Hennessey across the 1930 and 1940 US Censuses in Fayette, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 10-person household.
Age 5
b. ~1925
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fayette, Pennsylvania |
| Surname | Hennessey |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Lower Tyrone Township |
| Est. Birth Year | ~1925 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| George Hennessey | Son | — | 10 | ~1920 |
| Philip Hennessey | Son | — | ~1930 | |
| James Hennessey | Son | — | 3 | ~1927 |
| Mary Hennessey | Daughter | — | 5 | ~1925 |
| George Hennessey | Head | — | 44 | ~1886 |
| Margaret Hennessey | Other | — | 39 | ~1891 |
| William Hennessey | Son | — | 14 | ~1916 |
| Sanford Ellenberger | Other | — | 70 | ~1860 |
| Thomas Hennessey | Son | — | 6 | ~1924 |
| Harold Hennessey | Son | — | 7 | ~1923 |
Census Appearances
1930
Fayette, Pennsylvania
Daughter, age 5
Fayette, Pennsylvania · implied b. ~1925 — 10 household members
| Surname | Hennessey |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Daughter, age 15
Fayette-County, Pennsylvania · implied b. ~1925 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hennessy |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Lower Tyrone Twp. |
| 1935 Residence (County) | Fayette |
| Highest Grade | No 8 |
| 1935 Residence | Pennsylvania |
| 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 Mary Hennessey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Hennessey
Daughter · 1930 · age 5 · b. ~1925 · Pennsylvania
★ You are viewing this record
Sibling
William Hennessey
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Hennessey
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Hennessey
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Hennessey
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hennessey
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hennessey
Sibling · 1930 · age 3
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 — Fayette, Pennsylvania
Open full size
1930 US Federal Census — Fayette, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2040:0112)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ora King | 14 | Daughter | — | Pennsylvania |
| 52 | Helen King | 11 | Daughter | — | Pennsylvania |
| 53 | Viola King | 4 | Daughter | — | Pennsylvania |
| 54 | Frank Hough | 30 | Head | Miner | Pennsylvania |
| 55 | Dorothy Hough | 27 | Wife-H | — | Pennsylvania |
| 56 | Margaret Hough | 9 | Daughter | — | Pennsylvania |
| 57 | Donald Hough | 2 | Son | — | Pennsylvania |
| 58 | Gertrude Hough | 0 | Daughter | — | Pennsylvania |
| 59 | Julia Hough | 70 | Mother | — | Pennsylvania |
| 60 | Herbert Angell | 24 | Lodger | Miner | Pennsylvania |
| 61 | George Ruffcorn | 62 | Head | Carpenter | Pennsylvania |
| 62 | Elizabeth Ruffcorn | 64 | Sister-H | — | Pennsylvania |
| 63 | Matthew B. Gault | 66 | Head | Farmer | Pennsylvania |
| 64 | Alice P. Gault | 64 | Wife-H | — | Maryland |
| 65 | Anthony Zgorecki | 31 | Head | Machinist | Pennsylvania |
| 66 | Bernice Zgorecki | 22 | Wife-H | — | Pennsylvania |
| 67 | Paul E. Zgorecki | 1 | Son | — | Pennsylvania |
| 68 | Stall Shollenberger | None | Head | Mail Carrier | Pennsylvania |
| 69 | James C. Hagerman | 54 | Head | Supervising Principal | Pennsylvania |
| 70 | Florence Hagerman | 46 | Wife-H | — | Pennsylvania |
| 71 | Curtis Hagerman | 20 | Son | — | Pennsylvania |
| 72 | Thomas Hagerman | 11 | Son | — | Pennsylvania |
| 73 | Cyrus C. Shearer | 18 | Son-in-law | Laborer | Pennsylvania |
| 74 | Helen M. Shearer | 24 | Daughter | — | Pennsylvania |
| 75 | Matthew Oberweiser | 69 | Head | Farmer | Germany |
| 76 | Rosie Oberweiser | 62 | Wife-H | — | Germany |
| 77 | Joseph Oberweiser | None | Son | Laborer | Pennsylvania |
| 78 | Peter Hearty | 79 | Head | Farmer | Irish Free State |
| 79 | Jennie Hearty | 51 | Daughter | — | Pennsylvania |
| 80 | Mary Hearty | 45 | Daughter | — | Pennsylvania |
| 81 | Albert Pringle | None | Head | Miner | Pennsylvania |
| 82 | Elizabeth Pringle | 51 | Sister-H | — | Pennsylvania |
| 83 | George Hennessey | 44 | Head | Miner | Pennsylvania |
| 84 | Margaret Hennessey | 39 | Wife-H | — | Pennsylvania |
| 85 | William Hennessey | 14 | Son | — | Pennsylvania |
| 86 | George Hennessey | 10 | Son | — | Pennsylvania |
| 87 | Harold Hennessey | 7 | Son | — | Pennsylvania |
| 88 | Thomas Hennessey | 6 | Son | — | Pennsylvania |
| 89 | Mary C. Hennessey THIS PERSON | 5 | Daughter | — | Pennsylvania |
| 90 | James H. Hennessey | 3 | Son | — | Pennsylvania |
| 91 | Philip Hennessey | 0 | Son | — | Pennsylvania |
| 92 | Sanford Ellenberger | 70 | Uncle | — | Pennsylvania |
| 93 | Joe Cerkner | 80 | Head | — | Germany |
| 94 | Bell Cerkner | 73 | Wife-H | — | Germany |
| 95 | John Becker | 40 | Son-in-law | Coal Miner | Pennsylvania |
| 96 | Lizzie Becker | 35 | Daughter | — | Pennsylvania |
| 97 | Bernadine Becker | 14 | Grdaughter | — | Pennsylvania |
| 98 | Mary Becker | 12 | Grdaughter | — | Pennsylvania |
| 99 | Genevieve Becker | 10 | Grdaughter | — | Pennsylvania |
| 100 | Regina Becker | 8 | Grdaughter | — | Pennsylvania |
Related Census Records
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)