MP
Mary Powers — 1930 US Census Record
Model Tree available1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Powers across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents William & John — first a daughter (b.~1906), then head of a 4-person household.
Age 24
b. ~1906
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | (Steel) Plant |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Swissvale Borough |
| Est. Birth Year | ~1906 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Powers | Daughter | — | 24 | ~1906 |
| Leona Powers | Daughter | — | 27 | ~1903 |
| John Powers | Head | — | 60 | ~1870 |
| Agnes Powers | Other | — | 60 | ~1870 |
Census Appearances
Daughter, age 5
Allegheny, Pennsylvania · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Power |
| Given Name | Mary |
| 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 |
1920
Allegheny, Pennsylvania
Daughter, age 16
Allegheny, Pennsylvania · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Dept Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Daughter, age 24
Allegheny, Pennsylvania · implied b. ~1906 — 4 household members
| Surname | Powers |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | (Steel) Plant |
| Class of Worker | W |
| 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 Powers across 3 US Census years (1910, 1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father William Power (~0.92 confidence) and father John Powers (~0.92 confidence) and father John Powers (~0.92 confidence) and mother Annie Powers (~0.92 confidence) and mother Edith Power (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Power
b. ~1869
Source father
● Household
· direct · ~0.92
Father
John Powers
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Powers
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Annie Powers
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Edith Power
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Powers
Daughter · 1930 · age 24 · b. ~1906 · Pennsylvania
★ You are viewing this record
Sibling
Leona Powers
Sibling · 1930 · age 27
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:fifteenthcensus00reel1991:0597)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William J. Jr. Smithy | 11 | Son | — | Pennsylvania |
| 2 | Jeanne Smithy | 10 | Daughter | — | Pennsylvania |
| 3 | George B. Girard | 48 | Head | Draftsman | Pennsylvania |
| 4 | Josephine Girard | 46 | Wife-H | — | Wisconsin |
| 5 | Andrew Slaughing | 34 | Head | Salesman | Pennsylvania |
| 6 | Adela Slaughing | 32 | Wife-H | — | Maryland |
| 7 | Mary G. Slaughing | 7 | Daughter | — | Pennsylvania |
| 8 | Jacqueline Slaughing | 3 | Daughter | — | Pennsylvania |
| 9 | William Slaughing | 0 | Son | — | Pennsylvania |
| 10 | Eugene Cunn | 43 | Head | Clerk | Pennsylvania |
| 11 | Cora Cunn | 36 | Wife-H | — | Pennsylvania |
| 12 | Eugene Jr. Cunn | 12 | Son | — | Pennsylvania |
| 13 | Isabelle Cunn | 11 | Daughter | — | Pennsylvania |
| 14 | Edith L. Cunn | 9 | Daughter | — | Pennsylvania |
| 15 | John J. Butts | 43 | Head | Motorman | Pennsylvania |
| 16 | Delia Butts | 40 | Wife-H | — | Northern Ireland |
| 17 | Edward J. Butts | 15 | Son | — | Pennsylvania |
| 18 | Mary M. Butts | 13 | Daughter | — | Pennsylvania |
| 19 | Josephine Butts | 10 | Daughter | — | Pennsylvania |
| 20 | Alice Butts | 8 | Daughter | — | Pennsylvania |
| 21 | James Butts | 2 | Son | — | Pennsylvania |
| 22 | Thomas Mcdonough | 18 | Lodger | Laborer | Northern Ireland |
| 23 | Richard Barry | 29 | Head | Steward | Pennsylvania |
| 24 | Dorothy Barry | 29 | Wife-H | — | Pennsylvania |
| 25 | Mary G. Barry | 4 | Daughter | — | Pennsylvania |
| 26 | Catherine Boyle | 67 | Head | — | Northern Ireland |
| 27 | Catherine Boyle | 64 | Wife-H | — | Northern Ireland |
| 28 | Margaret Boyle | 26 | Daughter | Tel. Operator | Pennsylvania |
| 29 | John Powers | 60 | Head | Engineer | Pennsylvania |
| 30 | Agnes Powers | 60 | Wife-H | — | Pennsylvania |
| 31 | Leona Powers | 27 | Daughter | Bookkeeper | Pennsylvania |
| 32 | Mary Powers THIS PERSON | 24 | Daughter | Clerk | Pennsylvania |
| 33 | Robert Cusack | 36 | Head | Engineer | Pennsylvania |
| 34 | Daisy Cusack | 32 | Wife-H | — | Pennsylvania |
| 35 | Robert Jr. Cusack | 5 | Son | — | Pennsylvania |
| 36 | Jay Cusack | 4 | Son | — | Pennsylvania |
| 37 | John C. Jones | 51 | Head | Foreman | Ohio |
| 38 | Agnes P. Jones | 49 | Wife-H | — | Pennsylvania |
| 39 | Ralph Jones | 23 | Son | Clerk | Pennsylvania |
| 40 | John Jones | 25 | Son | Laborer | Pennsylvania |
| 41 | Sandy Cassidy | 24 | Boarder | Laborer | Pennsylvania |
| 42 | Agnes Cassidy | 20 | Boarder | — | Pennsylvania |
| 43 | James Mcclure | 51 | Head | Mailman | Pennsylvania |
| 44 | Rose Mcclure | 51 | Wife-H | — | Pennsylvania |
| 45 | Beatrice Mcclure | 19 | Daughter | Clerk | Pennsylvania |
| 46 | Robert E. Blaney | 34 | Head | Foreman | Pennsylvania |
| 47 | Elizabeth Blaney | 34 | Wife-H | — | Ohio |
| 48 | Adela Blaney | 4 | Daughter | — | Pennsylvania |
| 49 | Jay Seward | 37 | Head | Clerk | Indiana |
| 50 | Grace Seward | 33 | Wife-H | — | Pennsylvania |
Related Census Records
Pedigree Summary
Mary + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)