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John Mccormack — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, New Jersey
Our Model Tree links this John Mccormack across the 1910 and 1920 US Censuses in Essex, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1899), then head of a 8-person household.
Age 21
b. ~1899
Male
Son
Born: New Jersey
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, New Jersey |
| Surname | McCormack |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Plumber |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Plumber |
| Township / Ward | East Orange City |
| Est. Birth Year | ~1899 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mccormack | Son | — | 32 | ~1888 |
| Thomas Mccormack | Head | — | 57 | ~1863 |
| Bridget Mccormack | Spouse | — | 54 | ~1866 |
| James Mccormack | Son | — | 25 | ~1895 |
| Helen Mccormack | Daughter | — | 16 | ~1904 |
| Mildred Mccormack | Daughter | — | 12 | ~1908 |
| Dorothy Mccormack | Daughter | — | 14 | ~1906 |
| John Mccormack | Son | — | 21 | ~1899 |
Census Appearances
1910
Essex, New …
Son, age 10
Essex, New Jersey · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Essex, New …
Son, age 21
Essex, New Jersey · implied b. ~1899 — 8 household members
| Surname | McCormack |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Plumber |
| Industry | House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 2 US Census years (1910 and 1920) in Essex, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccormack
Son · 1920 · age 21 · b. ~1899 · New Jersey
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Sibling
James Mccormack
Sibling · 1920 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mccormack
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccormack
Sibling · 1920 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccormack
Sibling · 1920 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Mccormack
Sibling · 1920 · age 12
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
1920 US Federal Census — Essex, New Jersey
Open full size
1920 US Federal Census — Essex, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1029unit:0848)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Damore | 28 | Head | None | Italy |
| 2 | Theresa Damore | 4 | Daughter | None | New Jersey |
| 3 | Louis Damore | 3 | Son | None | New Jersey |
| 4 | Tony Damore | 1 | Son | None | New Jersey |
| 5 | Louis Peccarelli | 32 | Head | Upholsterer | Italy |
| 6 | Nellie Peccarelli | 26 | Wife | None | New York |
| 7 | Louis Peccarelli | 6 | Son | None | New Jersey |
| 8 | Joseph Peccarelli | 4 | Son | None | New Jersey |
| 9 | Catherine Peccarelli | 2 | Daughter | None | New Jersey |
| 10 | Fred J. Hemming | 51 | Head | Carpenter | Denmark |
| 11 | Bertha Hemming | 54 | Wife | None | Sweden |
| 12 | Carry Hemming | 23 | Daughter | Typist | New Jersey |
| 13 | Agatha Hemming | 21 | Daughter | Clerk Hand | New Jersey |
| 14 | Ruth Hemming | 12 | Daughter | None | New Jersey |
| 15 | Joseph Volpe | 35 | Head | Laborer | Italy |
| 16 | Rose Volpe | 30 | Wife | None | Italy |
| 17 | Tony Volpe | 9 | Son | None | Italy |
| 18 | Violet Volpe | 3 | Son | None | New Jersey |
| 19 | Julius Melchoir | 31 | Head | Smoker | New York |
| 20 | Minna Melchoir | 33 | Wife | None | New York |
| 21 | Julius Melchoir | 8 | Son | None | New Jersey |
| 22 | Constance Melchoir | 6 | Daughter | None | New Jersey |
| 23 | Victor Melchoir | 59 | Head | Porter | Lorraine |
| 24 | Josephine Melchoir | 59 | Wife | None | Alsace Lorraine |
| 25 | Nicholas Melchoir | 17 | Son | Machinist | New Jersey |
| 26 | John Cardala | 35 | Head | Machine Operator | Italy |
| 27 | Teresa Cardala | 32 | Wife | None | Italy |
| 28 | Mary Cardala | 13 | Daughter | None | New Jersey |
| 29 | Nancy Cardala | 12 | Daughter | None | New Jersey |
| 30 | Mildred Cardala | 9 | Daughter | None | New Jersey |
| 31 | Alonzo Cardala | 5 | Son | None | New Jersey |
| 32 | Joseph Catania | 35 | Head | Power Pressman | Italy |
| 33 | Mary Catania | 29 | Wife | None | Italy |
| 34 | Theresa Catania | 9 | Daughter | None | New Jersey |
| 35 | Jennie Catania | 7 | Daughter | None | New Jersey |
| 36 | Marion Catania | 5 | Daughter | None | New Jersey |
| 37 | Michael Catania | 3 | Son | None | New Jersey |
| 38 | Lucie Catania | 64 | Mother in law | None | Italy |
| 39 | Thomas Mccormack | 57 | Head | Carpenter | Ireland |
| 40 | Bridget Mccormack | 54 | Wife | None | Ireland |
| 41 | Thomas J. Mccormack | 32 | Son | Policeman | New Jersey |
| 42 | James C. Mccormack | 25 | Son | Laborer | New Jersey |
| 43 | John F. Mccormack THIS PERSON | 21 | Son | Plumber | New Jersey |
| 44 | Helen Mccormack | 16 | Daughter | Operator | New Jersey |
| 45 | Dorothy Mccormack | 14 | Daughter | None | New Jersey |
| 46 | Mildred Mccormack | 12 | Daughter | None | New Jersey |
| 47 | Joseph Corocci | 29 | Head | Tailor | Italy |
| 48 | Rose Corocci | 25 | Wife | None | Italy |
| 49 | Mailla Corocci | 3 | Daughter | None | New Jersey |
| 50 | Madeline Corocci | 1 | Daughter | None | New Jersey |
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)