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John Mccormack — 1910 US Census Record
Model Tree available1910 United States Federal Census · Erie, Pennsylvania
Our Model Tree links this John Mccormack across the 1910, 1920 and 1930 US Censuses in Erie, Pennsylvania (XGBoost, ~Confirmed), with identified parents Michael & Mary — first a son (b.~1901), then head of a 6-person household.
Age 9
b. ~1901
Male
Son
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Erie, Pennsylvania |
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Erie City Part Of |
| Est. Birth Year | ~1901 |
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 1910 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Sarah Mccormack | Daughter | — | 12 | ~1898 |
| John Mccormack | Son | — | 9 | ~1901 |
| Michael Mccormack | Head | — | 42 | ~1868 |
| Mary Mccormack | Spouse | — | 40 | ~1870 |
| Laura Mccormack | Daughter | — | 11 | ~1899 |
| Mary Mccormack | Daughter | — | 14 | ~1896 |
Census Appearances
1910
Erie, Pennsylvania
Son, age 9
Erie, Pennsylvania · implied b. ~1901 — 6 household members
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Erie, Pennsylvania
Son, age 19
Erie, Pennsylvania · implied b. ~1901 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Son, age 27
Erie, Pennsylvania · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Superintendent |
| Industry | Paving |
| 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 John Mccormack across 3 US Census years (1910, 1920 and 1930) in Erie, Pennsylvania, using XGBoost record linkage. Identified parents: father Michael Mccormick (~0.92 confidence) and mother Mary Mccormack (~0.92 confidence) and mother Mary Mccormick (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Mccormick
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Mccormack
b. ~1870
Source mother
● Household
· direct · ~0.92
Mother
Mary Mccormick
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccormack
Son · 1910 · age 9 · b. ~1901 · Pennsylvania
★ You are viewing this record
Sibling
Mary Mccormack
Sibling · 1910 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Mccormack
Sibling · 1910 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Mccormack
Sibling · 1910 · age 11
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
1910 US Federal Census — Erie, Pennsylvania
Open full size
1910 US Federal Census — Erie, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1342unit:0630)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Mccormack | 42 | Head | Contractor | Pennsylvania |
| 2 | Mary Mccormack | 40 | Wife | None | Pennsylvania |
| 3 | Mary Mccormack | 14 | Daughter | None | Pennsylvania |
| 4 | Sarah Mccormack | 12 | Daughter | None | Pennsylvania |
| 5 | Laura Mccormack | 11 | Daughter | None | Pennsylvania |
| 6 | John Mccormack THIS PERSON | 9 | Son | None | Pennsylvania |
| 7 | Jacob B Brown | 56 | Head | Carpenter | Pennsylvania |
| 8 | Mary Brown | 53 | Wife | None | Pennsylvania |
| 9 | Emma Brown | 28 | Daughter | Caterer | Pennsylvania |
| 10 | Ralph Brown | 22 | Son | None | Pennsylvania |
| 11 | Henry Reuchling | 53 | Head | Molder | United States |
| 12 | Mabel Reuchling | 22 | Daughter | None | Pennsylvania |
| 13 | Fred Reuchling | 18 | Son | Brakeman | Pennsylvania |
| 14 | Dorothy Reuchling | 13 | Daughter | None | Pennsylvania |
| 15 | Edward Eckert | 32 | Head | Salesman | Pennsylvania |
| 16 | B- Eckert | 27 | Wife | None | Pennsylvania |
| 17 | Anna Eckert | 3 | Daughter | None | Pennsylvania |
| 18 | Peter Donovan | 30 | Head | Laborer | Pennsylvania |
| 19 | Addie Donovan | 29 | Wife | None | New York |
| 20 | John Donovan | 10 | Son | None | Pennsylvania |
| 21 | Elmer Donovan | 9 | Son | None | Pennsylvania |
| 22 | Vincent Donovan | 6 | Son | None | Pennsylvania |
| 23 | Margaret Donovan | 3 | Daughter | None | Pennsylvania |
| 24 | Ray Barthelmas | 23 | Head | Store Mounter | Pennsylvania |
| 25 | Marie Barthelmas | 22 | Wife | None | Pennsylvania |
| 26 | Ralph Barthelmas | 2 | Son | None | Pennsylvania |
| 27 | John J Baptist | 45 | Head | Laborer Section | Massachusetts |
| 28 | Louise Baptist | 45 | Wife | None | Ohio |
| 29 | Ellen Baptist | 20 | Daughter | None | Pennsylvania |
| 30 | George Baptist | 17 | Son | None | Pennsylvania |
| 31 | Francis Baptist | 16 | Son | None | Pennsylvania |
| 32 | Robert Baptist | 15 | Son | None | Pennsylvania |
| 33 | John Baptist | 13 | Son | None | Pennsylvania |
| 34 | Ralph Baptist | 10 | Son | None | Pennsylvania |
| 35 | Irvin P Mccreary | 52 | Head | Civil Engineer | Pennsylvania |
| 36 | Melvin H. Mccreary | 21 | Son | Apprentice | Pennsylvania |
| 37 | Loris D. Mccreary | 19 | Son | Helper | Pennsylvania |
| 38 | Helen J Mccreary | 12 | Daughter | None | Pennsylvania |
| 39 | Margaret Mccreary | 8 | Daughter | None | Pennsylvania |
| 40 | Florence E Mccreary | 39 | housekeeper | Housekeeper | Pennsylvania |
| 41 | Linus Hedland | 32 | Head | Hammerman Helper | Swed. Swedish |
| 42 | Stella Hedland | 30 | Wife | None | Pennsylvania |
| 43 | Irene Hedland | 2 | Daughter | None | Pennsylvania |
| 44 | Bessie Hedland | 0 | Daughter | None | Pennsylvania |
| 45 | John G. Kuhn | 29 | Head | Secretary | Pennsylvania |
| 46 | Mary Kuhn | 30 | Wife | None | Pennsylvania |
| 47 | Francis J. Kuhn | 3 | Son | None | Pennsylvania |
| 48 | Margaret A Kuhn | 1 | Daughter | None | Pennsylvania |
| 49 | Annie Nurnberg | 65 | Head | Keeper | Can. English |
| 50 | Peter J. Murphy | 38 | roomer | Hammerman | New York |
Related Census Records
Pedigree Summary
John + 3 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)