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Mary Finney — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Finney across the 1930 and 1940 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1921), then head of a 6-person household.
Age 9
b. ~1921
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Finney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| 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 | Pittsburgh City |
| Est. Birth Year | ~1921 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marion Finney | Daughter | — | 10 | ~1920 |
| Andrew Finney | Head | — | 28 | ~1902 |
| Mary Finney | Daughter | — | 9 | ~1921 |
| Jane Finney | Daughter | — | 1 | ~1929 |
| Andrew Finney | Son | — | 7 | ~1923 |
| Ethel Finney | Spouse | — | 25 | ~1905 |
Census Appearances
1930
Allegheny, Pennsylvania
Daughter, age 9
Allegheny, Pennsylvania · implied b. ~1921 — 6 household members
| Surname | Finney |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| 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 |
1940
Allegheny-County, Pennsylvania
Daughter, age 19
Allegheny-County, Pennsylvania · implied b. ~1921 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Finney |
| Given Name | Marjorie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Industry | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Finney across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Finney
Daughter · 1930 · age 9 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Jane Finney
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Finney
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marion Finney
Sibling · 1930 · age 10
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:fifteenthcensus00reel1979:0386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alphonso Grilli | 21 | Head | Laborer | Pennsylvania |
| 52 | Rosa Grilli | 21 | Daughter | — | Pennsylvania |
| 53 | Mary Grilli | 15 | Daughter | — | Pennsylvania |
| 54 | Frederick Grilli | 14 | Son | — | Pennsylvania |
| 55 | Charles H. Williams | 33 | Head | Mechanic | Pennsylvania |
| 56 | Ida M. Williams | 34 | Wife | — | Pennsylvania |
| 57 | Gladys Williams | 13 | Daughter | — | Pennsylvania |
| 58 | Mildred Williams | 8 | Daughter | — | Pennsylvania |
| 59 | June E. Williams | 7 | Daughter | — | Pennsylvania |
| 60 | Grace H. Williams | 4 | Daughter | — | Pennsylvania |
| 61 | Andrew A. Finney | 28 | Head | Laborer | Pennsylvania |
| 62 | Ethel M. Finney | 25 | Wife | — | Pennsylvania |
| 63 | Marion Finney | 10 | Daughter | — | Pennsylvania |
| 64 | Mary E. Finney THIS PERSON | 9 | Daughter | — | Pennsylvania |
| 65 | Andrew A. Finney | 7 | Son | — | Pennsylvania |
| 66 | Jane M. Finney | 1 | Daughter | — | Pennsylvania |
| 67 | Henry O. Sidow | 25 | Head | Laborer | Pennsylvania |
| 68 | Anna M. Sidow | 24 | Wife | — | Pennsylvania |
| 69 | Shirley Sidow | 3 | Daughter | — | Pennsylvania |
| 70 | Walter Stier | 65 | Head | Boiler Maker | Scotland |
| 71 | Mary J. Stier | 51 | Wife | — | Pennsylvania |
| 72 | Helen M. Stier | 19 | Daughter | — | Pennsylvania |
| 73 | John Harwood | 42 | Lodger | Fireman | Illinois |
| 74 | Carlyle M. Deems | 31 | Head | Mechanic | Ohio |
| 75 | Ida L. Deems | 31 | Wife | — | Pennsylvania |
| 76 | Ruth M. Deems | 11 | Daughter | — | Ohio |
| 77 | Walter Deems | 9 | Son | — | Ohio |
| 78 | Anna E. Schmeleigh | 65 | Lodger | Servant | Pennsylvania |
| 79 | John H. Stohr | 13 | Lodger | — | Ohio |
| 80 | James E. Fleming | 31 | Head | Fireman | Pennsylvania |
| 81 | Matilda Fleming | 29 | Wife | — | Pennsylvania |
| 82 | William H. Fleming | 10 | Son | — | Pennsylvania |
| 83 | Harry E. Fleming | 5 | Son | — | Pennsylvania |
| 84 | Mabel J. Fleming | 2 | Daughter | — | Pennsylvania |
| 85 | Lois Fleming | 1 | Daughter | — | Pennsylvania |
| 86 | J. Albert Schadel | 30 | Head | Repairman | Pennsylvania |
| 87 | Catherine Schadel | 26 | Wife | — | Pennsylvania |
| 88 | June M. Schadel | 3 | Daughter | — | Pennsylvania |
| 89 | Michael Mihalich | 43 | Head | Laborer | Austria |
| 90 | Mildred Mihalich | 41 | Wife | — | Austria |
| 91 | Nicholas Mihalich | 21 | Son | Laborer | Pennsylvania |
| 92 | Rosa Mihalich | 19 | Daughter | — | Pennsylvania |
| 93 | Mildred Mihalich | 18 | Daughter | — | Pennsylvania |
| 94 | William Mihalich | 16 | Son | — | Pennsylvania |
| 95 | John Mihalich | 13 | Son | — | Pennsylvania |
| 96 | Ralph Mihalich | 7 | Son | — | Pennsylvania |
| 97 | Sara Mihalich | 6 | Daughter | — | Pennsylvania |
| 98 | Louis Mihalich | 4 | Son | — | Pennsylvania |
| 99 | — | None | — | — | — |
| 100 | — | None | — | — | — |
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)