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John Mccoy — 1930 US Census Record
Model Tree available1930 United States Federal Census · Passaic, New Jersey
Our Model Tree links this John Mccoy across the 1910, 1920 and 1930 US Censuses in Passaic, New Jersey (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1909), then head of a 10-person household.
Age 21
b. ~1909
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Passaic, New Jersey |
| Surname | McCoy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Additional Details | |
| Occupation | Helper |
| Industry | Express |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Helper |
| Township / Ward | Paterson City |
| Est. Birth Year | ~1909 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Helen Mccoy | Daughter | — | 5 | ~1925 |
| Margaret Mccoy | Daughter | — | 21 | ~1909 |
| Ruth Mccoy | Daughter | — | 10 | ~1920 |
| Mary Mccoy | Daughter | — | 25 | ~1905 |
| Mary Mccoy | Head | — | 50 | ~1880 |
| Richard Mccoy | Other | — | 28 | ~1902 |
| John Mccoy | Son | — | 21 | ~1909 |
| William Mccoy | Son | — | 31 | ~1899 |
| Charles Mccoy | Son | — | 15 | ~1915 |
| Robert Mccoy | Son | — | 30 | ~1900 |
Census Appearances
1910
Passaic, New …
Son, age 1
Passaic, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Passaic, New …
Son, age 11
Passaic, New Jersey · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Son, age 21
Passaic, New Jersey · implied b. ~1909 — 10 household members
| Surname | McCoy |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Scotland |
| Occupation | Helper |
| Industry | Express |
| Class of Worker | W |
| Can Read/Write | 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 Mccoy across 3 US Census years (1910, 1920 and 1930) in Passaic, New Jersey, using XGBoost record linkage. Identified parents: father William Mccoy (~0.92 confidence) and father William Mccoy (~0.92 confidence) and mother Mary Mccoy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Mccoy
b. ~1877
Source father
● Household
· direct · ~0.92
Father
William Mccoy
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Mary Mccoy
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mccoy
Son · 1930 · age 21 · b. ~1909 · New Jersey
★ You are viewing this record
Sibling
Robert Mccoy
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Mccoy
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccoy
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccoy
Sibling · 1930 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mccoy
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Mccoy
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccoy
Sibling · 1930 · age 25
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 — Passaic, New Jersey
Open full size
1930 US Federal Census — Passaic, New Jersey
Page Contents
26 people indexed on this census page (ia:1930:newjerseycensus00reel1380:0644)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Mathews | 36 | Head | Letter Carrier | New Jersey |
| 2 | Catherine Mathews | 35 | Wife | None | New Jersey |
| 3 | James Mathews | 12 | Son | None | New Jersey |
| 4 | John Mathews | 10 | Son | None | New Jersey |
| 5 | Eugene Mathews | 9 | Son | None | New Jersey |
| 6 | Edward Mathews | 7 | Son | None | New Jersey |
| 7 | Joseph Sabatino | 43 | Head | None | Italy |
| 8 | Anna Sabatino | 33 | Wife | Stripper | Italy |
| 9 | Charles Sabatino | 10 | Son | None | New Jersey |
| 10 | Minnie Sabatino | 4 | Daughter | None | New Jersey |
| 11 | Mary Mccoy | 50 | Head | None | Scotland |
| 12 | William Mccoy | 31 | Son | Chauffeur | New Jersey |
| 13 | Robert Mccoy | 30 | Son | Reed Cleaner | New Jersey |
| 14 | Margaret Mccoy | 21 | Daughter | Winder | New Jersey |
| 15 | Mary E. Mccoy | 25 | Daughter | Winder | New Jersey |
| 16 | John Mccoy THIS PERSON | 21 | Son | Helper | New Jersey |
| 17 | Charles Mccoy | 15 | Son | Helper | New Jersey |
| 18 | Ruth Mccoy | 10 | Daughter | None | New Jersey |
| 19 | Helen Mccoy | 5 | Daughter | None | New Jersey |
| 20 | Richard Mccoy | 28 | Son-in-law | Chauffeur | New Jersey |
| 21 | Frank Heuston | 37 | Head | Machinist | New Jersey |
| 22 | Elizabeth Heuston | 35 | Wife | None | North Ireland |
| 23 | Leo Heuston | 22 | Son | None | New Jersey |
| 24 | Frank Heuston | 18 | Son | None | New Jersey |
| 25 | Heuston | None | — | — | — |
| 26 | Helen Garity | 2 | Daughter | None | New Jersey |
Related Census Records
Pedigree Summary
John + 7 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 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)