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John Mccormack — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bronx, New York
Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in Bronx, New York (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 7-person household.
Age 52
b. ~1878
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Bronx, New York |
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 46.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Bronx |
| Est. Birth Year | ~1878 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Emma Mccormack | Daughter | — | 12 | ~1918 |
| Harry Mccormack | Son | — | 19 | ~1911 |
| Mary Mccormack | Spouse | — | 51 | ~1879 |
| John Mccormack | Son | — | 28 | ~1902 |
| Margaret Mccormack | Daughter | — | 14 | ~1916 |
| James Mccormack | Son | — | 26 | ~1904 |
| John Mccormack | Head | — | 52 | ~1878 |
Census Appearances
1920
Rockland, New …
Head, age 43
Rockland, New York · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John L. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Labourer |
| Industry | Building |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Bronx, New …
Head, age 52
Bronx, New York · implied b. ~1878 — 7 household members
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 46.00 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Queens-County, New …
Head, age 62
Queens-County, New York · implied b. ~1878 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mc Cormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Queens |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| 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 Mccormack across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage.
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This person
Anchor record
John Mccormack
Head · 1930 · age 52 · b. ~1878 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Bronx, New York
Open full size
1930 US Federal Census — Bronx, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1484:0596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Aurora Silvagni | 16 | Daughter | — | New York |
| 52 | Euphemia Silvagni | 14 | Daughter | — | New York |
| 53 | Josephine Silvagni | 12 | Daughter | — | New York |
| 54 | Louis Silvagni | 10 | Son | — | New York |
| 55 | Leonard Bruna | 37 | Boarder | — | Italy |
| 56 | Benjamin Skolnick | 51 | Head | Bricklayer | Austria |
| 57 | Becky Skolnick | 51 | Wife | Laundry | Austria |
| 58 | Ida Skolnick | 24 | Daughter | Helper | New York |
| 59 | Minnie Skolnick | 21 | Daughter | Bookkeeper | New York |
| 60 | Rosie Skolnick | 12 | Daughter | Saleslady | New York |
| 61 | Salvatore Monte | 34 | Head | — | Italy |
| 62 | Mary Monte | 32 | Wife | Cab Driver | Italy |
| 63 | Mary Monte | 12 | Daughter | — | New York |
| 64 | Rosie Monte | 10 | Daughter | — | New York |
| 65 | James Monte | 8 | Son | — | New York |
| 66 | Francis Monte | 5 | Daughter | — | New York |
| 67 | Joseph Klein | 43 | Head | — | Austria |
| 68 | Rose Klein | 41 | Wife | Porter | Austria |
| 69 | Julius Klein | 18 | Son | Janitor | New York |
| 70 | Samuel Klein | 16 | Son | Apprentice | New York |
| 71 | Hannah Klein | 8 | Daughter | Clerk | New York |
| 72 | Ida Klein | 4 | Daughter | — | New York |
| 73 | Joseph Cuoco | 48 | Head | — | Italy |
| 74 | Anna Cuoco | 40 | Wife | — | Italy |
| 75 | Ralph Cuoco | 17 | Son | — | New York |
| 76 | Louis Cuoco | 14 | Son | — | New York |
| 77 | Joseph Cuoco | 12 | Son | — | New York |
| 78 | Armand Cuoco | 10 | Son | — | New York |
| 79 | Anthony Russo | 44 | Head | — | Italy |
| 80 | Lucia Russo | 43 | Wife | Technician | Italy |
| 81 | Catherine Russo | 19 | Daughter | Dressmaker | New York |
| 82 | Philomena Russo | 18 | Daughter | Student Nurse | New York |
| 83 | Tobias Russo | 12 | Son | File Clerk | New York |
| 84 | Manilo Logali | 39 | Boarder | Music Teacher | Italy |
| 85 | Joseph Castellano | 12 | Grandson | Waiter | New York |
| 86 | Mary Castellano | 10 | Grandson | — | New York |
| 87 | John Mccormack THIS PERSON | 52 | Head | — | Ireland |
| 88 | Mary Mccormack | 51 | Wife | Laborer | Ireland |
| 89 | John Mccormack | 28 | Son | — | Ireland |
| 90 | James Mccormack | 26 | Son | Lineman | Ireland |
| 91 | Harry Mccormack | 19 | Son | Laborer | Ireland |
| 92 | Margaret Mccormack | 14 | Daughter | Clerk | New York |
| 93 | Emma Mccormack | 12 | Daughter | — | New York |
| 94 | Maria Tamburello | 74 | Head | — | Italy |
| 95 | Rosa Tamburello | 76 | Mother | — | Italy |
| 96 | Joseph Pecchumenda | 49 | Head | Electric | Italy |
| 97 | Marie Pecchumenda | 40 | Wife | — | Italy |
| 98 | Joseph Pecchumenda | 18 | Son | Street Cleaner | New York |
| 99 | Nicholas Pecchumenda | 17 | Son | — | New York |
| 100 | James Pecchumenda | 15 | Son | — | New York |
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)