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John Mccormack — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Queens-County, New York
Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 7-person household.
Age 49
b. ~1891
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Queens-County, New York |
| Surname | McCormack |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Corona |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Apprentice Engineer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Apprentice Engineer |
| Township / Ward | Jamaica |
| Est. Birth Year | ~1891 |
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 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mccormack | Spouse | — | 48 | ~1892 |
| John Mccormack | Son | — | 16 | ~1924 |
| Thomas Mccormack | Son | — | 24 | ~1916 |
| Mary Mccormack | Daughter | — | 22 | ~1918 |
| Joseph Mccormack | Son | — | 13 | ~1927 |
| Teresa Mccormack | Daughter | — | 20 | ~1920 |
| John Mccormack | Head | — | 49 | ~1891 |
Census Appearances
1920
Bronx, New …
Head, age 30
Bronx, New York · implied b. ~1890 — 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 | 30 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Longshoreman |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1918 |
| Birthplace (normalized) | ireland |
Head, age 38
Bronx, New York · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1911 |
| Age at First Marriage | 30 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Porter |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Queens-County, New …
Head, age 49
Queens-County, New York · implied b. ~1891 — 7 household members
| Surname | McCormack |
| Given Name | John M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Corona |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Occupation | Apprentice Engineer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1000 |
| Highest Grade | No 8 |
| 1935 Residence | New York |
| 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 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mccormack
Head · 1940 · age 49 · b. ~1891 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Queens-County, New York
Open full size
1940 US Federal Census — Queens-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02740-00221)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joshua Giacalone | 52 | Head | Barber | Italy |
| 42 | Josephine Giacalone | 48 | Wife | — | Italy |
| 43 | Gabriel Giacalone | 20 | Son | Bookkeeper | New York |
| 44 | Catherine Giacalone | 25 | Daughter | Keypunch | New York |
| 45 | Gaspar Pellegrino | 32 | Son-in-law | Auditor | Italy |
| 46 | Marie Pellegrino | 25 | Daughter | — | New York |
| 47 | John M. Mccormack THIS PERSON | 49 | Head | Apprentice Engineer | Ireland |
| 48 | Margaret M. Mccormack | 48 | Wife | — | Ireland |
| 49 | Thomas M. Mccormack | 24 | Son | Apprentice Engineer | New York |
| 50 | Mary Mccormack | 22 | Daughter | Bookkeeper | New York |
| 51 | Teresa M. Mccormack | 20 | Daughter | Office Clerk | New York |
| 52 | John P. Mccormack | 16 | Son | — | New Jersey |
| 53 | Joseph M. Mccormack | 13 | Son | — | New York |
| 54 | Jacob Lapis | 41 | Head | Service Attendant | Russia |
| 55 | Esther Lapis | 37 | Wife | — | Russia |
| 56 | Gladys Lapis | 13 | Daughter | — | New York |
| 57 | Shirley Lapis | 12 | Daughter | — | New York |
| 58 | Muriel Lapis | 7 | Daughter | — | New York |
| 59 | Ruth Blackouty | 45 | Boarder | — | New York |
| 60 | Benjamin Rothstein | 45 | Head | Plumber | New York |
| 61 | Reina Rothstein | 39 | Wife | — | Belgium |
| 62 | Edward J. Rothstein | 20 | Son | Plumber | New York |
| 63 | Estelle Rothstein | 21 | Daughter | Office Clerk | New York |
| 64 | Frances Rothstein | 16 | Daughter | — | New York |
| 65 | Norman Paskin | 11 | Boarder | — | New York |
| 66 | Edward H. Clayton | 54 | Head | Statistician | New York |
| 67 | Helen M. Clayton | 48 | Wife | — | New York |
| 68 | Helene Clayton | 21 | Daughter | File Clerk | New York |
| 69 | Thomas Fitzsimmons | 59 | Head | Ironworker | New York |
| 70 | Dorothy Fitzsimmons | 51 | Wife | — | Germany |
| 71 | Thomas Fitzsimmons | 19 | Son | Manager | New York |
| 72 | Walter Fitzsimmons | 18 | Son | — | New York |
| 73 | William Fitzsimmons | 12 | Son | — | New York |
| 74 | Alice Fitzsimmons | 11 | Daughter | — | New York |
| 75 | Edward Runkles | 29 | Lodger | Mechanic | Maryland |
| 76 | Beth Klein | 24 | Lodger | — | New Hampshire |
| 77 | Louise Klein | 4 | Lodger | — | New York |
| 78 | Richard Runkles | 44 | Lodger | — | New York |
| 79 | John Ruel | 65 | Head | Retired | Wisconsin |
| 80 | Martha Ruel | 54 | Wife | — | New York |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)