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Mary Grady — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Schuylkill, Pennsylvania
Our Model Tree links this Mary Grady across the 1920 and 1930 US Censuses in Schuylkill, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 11-person household.
Age 19
b. ~1911
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Schuylkill, Pennsylvania |
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| 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 | Girardville Boro |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Grady | Other | — | 38 | ~1892 |
| Mary Grady | Daughter | — | 19 | ~1911 |
| Clare Grady | Son | — | 13 | ~1917 |
| Catherine Grady | Daughter | — | 7 | ~1923 |
| Michael Grady | Son | — | 6 | ~1924 |
| Rose Grady | Daughter | — | ~1930 | |
| James Grady | Son | — | 16 | ~1914 |
| John Grady | Son | — | 14 | ~1916 |
| John Grady | Head | — | 39 | ~1891 |
| Jean Grady | Daughter | — | 3 | ~1927 |
| Helen Grady | Daughter | — | 10 | ~1920 |
Census Appearances
1920
Schuylkill, Pennsylvania
Daughter, age 8
Schuylkill, Pennsylvania · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Schuylkill, Pennsylvania
Daughter, age 19
Schuylkill, Pennsylvania · implied b. ~1911 — 11 household members
| Surname | Grady |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| 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 Mary Grady across 2 US Census years (1920 and 1930) in Schuylkill, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Grady
Daughter · 1930 · age 19 · b. ~1911 · Pennsylvania
★ You are viewing this record
Sibling
Clare Grady
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Grady
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Grady
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Grady
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Grady
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Grady
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Grady
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Grady
Sibling · 1930 · age
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 — Schuylkill, Pennsylvania
Open full size
1930 US Federal Census — Schuylkill, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2145:0164)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anthony J. Roland | 27 | Head | Laborer | Pennsylvania |
| 2 | Mary W. Roland | 21 | Wife-H | — | Pennsylvania |
| 3 | Ellen Roland | 2 | Daughter | — | Pennsylvania |
| 4 | Clarence Roland | 19 | Brother | — | Pennsylvania |
| 5 | John T. Sr. Grady | 39 | Head | Laborer | Pennsylvania |
| 6 | Mary E. Grady | 38 | Wife-H | Laborer | Pennsylvania |
| 7 | Mary Grady THIS PERSON | 19 | Daughter | — | Pennsylvania |
| 8 | James Grady | 16 | Son | — | Pennsylvania |
| 9 | John J. Grady | 14 | Son | — | Pennsylvania |
| 10 | Clare Grady | 13 | Son | — | Pennsylvania |
| 11 | Helen Grady | 10 | Daughter | — | Pennsylvania |
| 12 | Catherine Grady | 7 | Daughter | — | Pennsylvania |
| 13 | Michael Grady | 6 | Son | — | Pennsylvania |
| 14 | Jean Grady | 3 | Daughter | — | Pennsylvania |
| 15 | Rose Mary Grady | 0 | Daughter | — | Pennsylvania |
| 16 | Dominick Murnhan | 37 | Head | Electrician | Pennsylvania |
| 17 | Nellie Murnhan | 36 | Wife-H | — | Pennsylvania |
| 18 | James Murnhan | 9 | Son | — | Pennsylvania |
| 19 | Michael Carey | 29 | Brother-in-law | — | Pennsylvania |
| 20 | William Carey | 24 | Brother-in-law | Organist | Pennsylvania |
| 21 | Harry J. Bennie | 27 | Head | Agent | Pennsylvania |
| 22 | Clare May Bennie | 30 | Wife-H | Carpenter | New York |
| 23 | Evelyn M. Bennie | 9 | Daughter | — | Pennsylvania |
| 24 | Robert Bennie | 6 | Son | — | Pennsylvania |
| 25 | Don Bennie | 0 | Son | — | Pennsylvania |
| 26 | Robert B. Bennie | 44 | Head | Miner | Nebraska |
| 27 | Eliza M. Bennie | 41 | Wife-H | — | Pennsylvania |
| 28 | Mildred Toll | 21 | Adopted daughter | — | Pennsylvania |
| 29 | William Moll | 45 | Head | Railroader | Pennsylvania |
| 30 | Anna M. Moll | 45 | Wife-H | — | Pennsylvania |
| 31 | Clinton J. Moll | 20 | Son | Telephone Operator | Pennsylvania |
| 32 | James Moll | 9 | Son | — | Pennsylvania |
| 33 | Edwin Kenny | 57 | Head | Miner | Pennsylvania |
| 34 | Elizabeth Kenny | 59 | Wife-H | — | Pennsylvania |
| 35 | Anthony Paskusich | 60 | Head | Miner | Italy-Russia |
| 36 | Anna Paskusich | 63 | Wife-H | Housekeeper | Italy-Russia |
| 37 | Paul Popkivitch | 20 | Son | Laborer | New York |
| 38 | Fred Griffiths | 48 | Head | Assistant Foreman | Pennsylvania |
| 39 | Mary Griffiths | 48 | Wife-H | — | Pennsylvania |
| 40 | Alma Griffiths | 17 | Daughter | — | Pennsylvania |
| 41 | Margaret Griffiths | 15 | Daughter | — | Pennsylvania |
| 42 | Frederick Griffiths | 13 | Son | — | Pennsylvania |
| 43 | Dorothy Griffiths | 8 | Daughter | — | Pennsylvania |
| 44 | Roman Belgrade | 45 | Head | Miner | Pennsylvania |
| 45 | Joseph Belgrade | 42 | Brother | Laborer | Pennsylvania |
| 46 | Anna Belgrade | 39 | Sister-H | None | Pennsylvania |
| 47 | Harry Belgrade | 36 | Brother | Laborer | Pennsylvania |
| 48 | William Hnane | 38 | Head | Laborer | Pennsylvania |
| 49 | Sarah A. Hnane | 40 | Sister-H | — | Pennsylvania |
| 50 | Peter Banash | 41 | Head | Laborer | 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)