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John Mccormick — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this John Mccormick across the 1900, 1910 and 1920 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 3-person household.
Age 65
b. ~1855
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Philadelphia, Pennsylvania |
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | watchman |
| Industry | tool shop |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
| Occupation | Watchman |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1855 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mccormick | Head | — | 65 | ~1855 |
| John Mccormick | Son | — | 28 | ~1892 |
| Sara Mccormick | Spouse | — | 68 | ~1852 |
Census Appearances
1900
Philadelphia, Pennsylvania
Head, age 45
Philadelphia, Pennsylvania · implied b. ~1855 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | June |
| Birth Year | 1855 |
| Year of Immigration | 1882 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Day laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Philadelphia, Pennsylvania
Head, age 54
Philadelphia, Pennsylvania · implied b. ~1856 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 22 |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | marble polisher |
| Industry | stone yard |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Philadelphia, Pennsylvania
Head, age 65
Philadelphia, Pennsylvania · implied b. ~1855 — 3 household members
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1879 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | watchman |
| Industry | tool shop |
| Class of Worker | W |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1887 |
| Birthplace (normalized) | ireland |
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 Mccormick across 3 US Census years (1900, 1910 and 1920) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
John Mccormick
Head · 1920 · age 65 · b. ~1855 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Philadelphia, Pennsylvania
Open full size
1920 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1627unit:1163)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Pearl Neely | 22 | daughter | Bookkeeper | Pennsylvania |
| 52 | Albert Clauson | 35 | head | Driver | Russia |
| 53 | Sophia Clauson | 34 | wife | None | Russia |
| 54 | Henry Clauson | 8 | son | None | Pennsylvania |
| 55 | Max Seventhal | 22 | head | Tailor | Russia |
| 56 | Malvina Seventhal | 24 | wife | None | Austria |
| 57 | Michael Rachkan | 49 | head | Tailor | Russia |
| 58 | Anna Rachkan | 45 | wife | None | Russia |
| 59 | Flora Manson | 23 | daughter | None | New Jersey |
| 60 | Ruth Rachkan | 21 | daughter | Stenographer | New Jersey |
| 61 | Lillian Rachkan | 20 | daughter | Stenographer | New Jersey |
| 62 | Julius Rachkan | 17 | son | None | New York |
| 63 | Helga Rachkan | 8 | daughter | None | New York |
| 64 | Daniel Manson | 2 | grandson | None | Pennsylvania |
| 65 | Ruth Manson | 1 | granddaughter | None | Pennsylvania |
| 66 | Geo. D. Lambert | 73 | head | Lithographer | Pennsylvania |
| 67 | Mary E. Lambert | 71 | wife | None | Pennsylvania |
| 68 | Mabel B. Mish | 45 | daughter | None | Pennsylvania |
| 69 | Geo. N. Mish | 23 | boarder | Ship Fitter | Washington |
| 70 | Michael Melvin | 24 | head | Brake Man | England |
| 71 | Winifred Melvin | 23 | wife | None | Pennsylvania |
| 72 | Marie Melvin | 1 | daughter | None | Pennsylvania |
| 73 | Mary Bauley | 47 | mother-in-law | None | Ireland |
| 74 | Martha Bauley | 19 | sister-in-law | Laborer | Pennsylvania |
| 75 | Daniel E. Bauley | 17 | brother-in-law | Laborer | Pennsylvania |
| 76 | John W. Baker | 42 | head | Laborer | Ireland |
| 77 | Susan M. Baker | 41 | wife | None | Ireland |
| 78 | John W. Baker | 7 | son | None | Pennsylvania |
| 79 | Elizabeth Baker | 5 | daughter | None | Pennsylvania |
| 80 | Samuel G. Baker | 3 | son | None | Pennsylvania |
| 81 | John Mccormick THIS PERSON | 65 | head | Watchman | Ireland |
| 82 | Sara Mccormick | 68 | wife | None | Ireland |
| 83 | John Jr. Mccormick | 28 | son | None | Pennsylvania |
| 84 | Mary E. Tischner | 79 | head | None | Ireland |
| 85 | Joseph O. Tischner | 50 | son | Laborer | Pennsylvania |
| 86 | Marie Adkins | 25 | granddaughter | Bookkeeper | Pennsylvania |
| 87 | Jas. J. Coleman | 24 | head | Brakeman | New Jersey |
| 88 | Helen A. Coleman | 25 | wife | None | Pennsylvania |
| 89 | Joseph S. Coleman | 2 | son | None | Pennsylvania |
| 90 | Wm. H. Coleman | 0 | son | None | Pennsylvania |
| 91 | Joseph Baach | 46 | head | Tailor | Hungary |
| 92 | Mary Baach | 33 | wife | None | Hungary |
| 93 | Joseph Jr. Baach | 18 | son | Surgical Instrument | Austria |
| 94 | Rose Baach | 15 | daughter | None | Hungary |
| 95 | Ida Baach | 10 | daughter | None | Hungary |
| 96 | Hannah Williams | 80 | head | None | Pennsylvania |
| 97 | Adam G. Williams | 46 | son | Forester | Pennsylvania |
| 98 | Mary Duffy | 57 | head | Janitor | Pennsylvania |
| 99 | Frank Duffy | 47 | brother | Watchman | Pennsylvania |
| 100 | Jacob Cooper | 32 | head | Plasterer | Russia |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)