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Mary Mccormick — 1930 US Census Record
Model Tree available1930 United States Federal Census · Fayette, Pennsylvania
Our Model Tree links this Mary Mccormick across the 1910, 1920 and 1930 US Censuses in Fayette, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Evelyn — first a daughter (b.~1908), then head of a 5-person household.
Age 22
b. ~1908
Female
Daughter
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Fayette, Pennsylvania |
| Surname | McCormick |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| 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 | New Salem Town |
| Est. Birth Year | ~1908 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Mccormick | Daughter | — | 22 | ~1908 |
| Sara Mccormick | Daughter | — | 4 | ~1926 |
| Samuel Mccormick | Head | — | 50 | ~1880 |
| David Mccormick | Son | — | 16 | ~1914 |
| Evelyn Mccormick | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Fayette, Pennsylvania
Daughter, age 2
Fayette, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Fayette, Pennsylvania
Daughter, age 12
Fayette, Pennsylvania · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Fayette, Pennsylvania
Daughter, age 22
Fayette, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | McCormick |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| 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 Mccormick across 3 US Census years (1910, 1920 and 1930) in Fayette, Pennsylvania, using XGBoost record linkage. Identified parents: father Samuel Mccormick (~0.92 confidence) and mother Evelyn Mccormick (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Samuel Mccormick
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Evelyn Mccormick
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Mccormick
Daughter · 1930 · age 22 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Sara Mccormick
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Mccormick
Sibling · 1930 · age 16
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:fifteenthcensus00reel2040:0315)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marshall J Walker | 57 | Head | Minister | West Virginia |
| 52 | Martha S Walker | 61 | Wife | — | Pennsylvania |
| 53 | Earl Walker | 19 | Son | Electrician | Pennsylvania |
| 54 | Mailing Tracey | 25 | Head | Asst Cashier | Pennsylvania |
| 55 | Evelyn Tracey | 21 | Wife | — | Pennsylvania |
| 56 | Arline Tracey | 1 | Daughter | — | Pennsylvania |
| 57 | Maxine Tracey | 1 | Daughter | — | Pennsylvania |
| 58 | Pearl Fraser | 39 | Head | — | Pennsylvania |
| 59 | Hazel Fraser | 22 | Daughter | Clerk | Pennsylvania |
| 60 | Ernest Fraser | 17 | Son | — | Pennsylvania |
| 61 | Mary Mcclintock | 72 | Mother | — | Pennsylvania |
| 62 | Joseph Brunker | 77 | Head | Merchant | Germany |
| 63 | Agatha Brunker | 65 | Wife | — | Germany |
| 64 | Elsie Brunker | 27 | Daughter | Music Teacher | Pennsylvania |
| 65 | Edward Brunker | 25 | Son | Laborer | Pennsylvania |
| 66 | Pauline Brunker | 19 | Daughter in law | — | Pennsylvania |
| 67 | Lloyd Frost | 69 | Head | — | Pennsylvania |
| 68 | Artie Frost | 54 | Wife | — | Pennsylvania |
| 69 | Robert Kensinger | 12 | Grand Son | — | Pennsylvania |
| 70 | Campbell Behard | 54 | Head | Butcher | Pennsylvania |
| 71 | Fannie Behard | 52 | Wife | — | Pennsylvania |
| 72 | Margaret One | 86 | Head | — | Pennsylvania |
| 73 | Elizabeth One | 53 | Daughter | — | Pennsylvania |
| 74 | Mary E. Kruty | 22 | Servant | Housework | Pennsylvania |
| 75 | Samuel O Mccormick | 50 | Head | President | Pennsylvania |
| 76 | Evelyn Mccormick | 45 | Wife | — | Pennsylvania |
| 77 | Mary Elizabeth Mccormick THIS PERSON | 22 | Daughter | — | Pennsylvania |
| 78 | David Bess Mccormick | 16 | Son | — | Pennsylvania |
| 79 | Sara Jane Mccormick | 4 | Daughter | — | Pennsylvania |
| 80 | John Mcdougle | 63 | Head | Laborer | Pennsylvania |
| 81 | Mary Mcdougle | 60 | Wife | — | Pennsylvania |
| 82 | John Volpe | 63 | Head | Laborer | Italy |
| 83 | Angelina Volpe | 59 | Wife | — | Italy |
| 84 | Michael Volpe | 26 | Son | Barber | Pennsylvania |
| 85 | Samuel Volpe | 23 | Son | — | Pennsylvania |
| 86 | Robert Volpe | 15 | Son | — | Pennsylvania |
| 87 | Mary Genoby | 30 | Daughter | Tailoress | Pennsylvania |
| 88 | Harold Genoby | 14 | Grand Son | — | Pennsylvania |
| 89 | Harry W Kilgore | 57 | Head | Clergyman | Ohio |
| 90 | Harriet W Kilgore | 53 | Wife | — | Pennsylvania |
| 91 | Albert A Daugh | 59 | Head | Funeral Director | Pennsylvania |
| 92 | Nellie B Daugh | 49 | Wife | — | Pennsylvania |
| 93 | Walter Daugh | 24 | Son | Asst Funeral Dir | Pennsylvania |
| 94 | Herbert S Daugh | 22 | Son | — | Pennsylvania |
| 95 | Ruth Daugh | 21 | Daughter | — | Pennsylvania |
| 96 | Ruby Daugh | 19 | Daughter | — | Pennsylvania |
| 97 | Hayden Daugh | 18 | Son | — | Pennsylvania |
| 98 | Mildred Daugh | 16 | Daughter | — | Pennsylvania |
| 99 | Edna Daugh | 13 | Daughter | — | Pennsylvania |
| 100 | Mildred K Daugh | 22 | Daughter | — | Pennsylvania |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 2 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)