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John Mccormack — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New York, New York
Our Model Tree links this John Mccormack across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 3-person household.
Age 66
b. ~1864
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Fireman |
| Industry | Fire Department |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 100 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Fireman |
| Township / Ward | New York |
| Est. Birth Year | ~1864 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mccormack | Son | — | 38 | ~1892 |
| Christine Mccormack | Daughter | — | 36 | ~1894 |
| John Mccormack | Head | — | 66 | ~1864 |
Census Appearances
1920
New York, …
Head, age 56
New York, New York · implied b. ~1864 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormack |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Soldier |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 66
New York, New York · implied b. ~1864 — 3 household members
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Fire Department |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 100 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Queens-County, New …
Other, age 72
Queens-County, New York · implied b. ~1868 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Grand Father |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Rego Park |
| 1935 Residence (County) | Queens |
| Naturalization Status | Naturalized |
| Occupation | Stationary Engineer |
| Industry | Cleaning |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1440 |
| Highest Grade | No 6 |
| 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 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Mccormack
Head · 1930 · age 66 · b. ~1864 · 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 — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
45 people indexed on this census page (ia:1930:newyorkcensus00reel1565:0164)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Madge Nevins | 39 | Head | Trained Nurse | Massachusetts |
| 52 | Emilie Loeffler | 54 | Boarder | Cook | Germany |
| 53 | Lillian Slattery | 27 | Boarder | Waitress | Ireland |
| 54 | Anna Slovsky | 35 | Boarder | Trained Nurse | New York |
| 55 | Bridget James | 31 | Boarder | Trained Nurse | Newfoundland |
| 56 | Grace Kenny | 37 | Boarder | Trained Nurse | New York |
| 57 | Margaret Mcauliffe | 22 | Boarder | Trained Nurse | Ireland |
| 58 | James M. Steele | 54 | Head | Manager | Scotland |
| 59 | Robert Eulers | 69 | Head | Broker | Germany |
| 60 | Seraphine Eulers | 69 | Wife | — | New York |
| 61 | John Hornek | 45 | Boarder | Model Maker | Czechoslovakia |
| 62 | Ernest Cypres | 33 | Head | District Doctor | New York |
| 63 | Nel Cypres | 25 | Wife | — | Connecticut |
| 64 | Amalie Cypres | 59 | Head | — | Germany |
| 65 | Dolly Cypres | 35 | Daughter | Teacher | New York |
| 66 | John Mccormack THIS PERSON | 66 | Head | Fireman | Ireland |
| 67 | Thomas Mccormack | 38 | Son | Salesman | New York |
| 68 | Christine Mccormack | 36 | Daughter | Teacher | New York |
| 69 | Emile Michel | 72 | Head | — | New York |
| 70 | John C. Michel | 49 | Son | Master Carpenter | New York |
| 71 | Walter L. Michel | 41 | Son | Civil Engineer | New York |
| 72 | Grover J. Michel | 37 | Son | Broker | New York |
| 73 | Clara Barlow | 32 | Head | Saleswoman | New York |
| 74 | Anna Barlow | 30 | Sister | — | New York |
| 75 | Christopher Ditzen | 62 | Head | Butcher | Germany |
| 76 | Theresa Ditzen | 45 | Wife | — | New York |
| 77 | Emelia Ditzen | 23 | Daughter | Colorist | New York |
| 78 | Robert Ditzen | 17 | Son | — | New York |
| 79 | Tillie Schneider | 75 | Head | Retired | Germany |
| 80 | Sarah Mccarthy | 58 | Head | — | New York |
| 81 | Thomas Mccarthy | 31 | Son | Secretary | New York |
| 82 | May Mccarthy | 28 | Daughter | Teacher | New York |
| 83 | Florence Mccarthy | 27 | Daughter | Clerk | New York |
| 84 | Bernard Fay | 52 | Head | Laborer | Germany |
| 85 | Bella Fay | 53 | Wife | Janitress | Germany |
| 86 | Edward Fay | 13 | Son | — | New York |
| 87 | Mary Aimer | 51 | Head | Sister Home Of Poor | New York |
| 88 | Mary Cofambia | 62 | Sister | Sister Home Of Poor | Canada |
| 89 | Mary Piamonasona | 54 | Sister | Sister | Germany |
| 90 | Mary Ruth | 53 | Sister | Sister Home Of Poor | New York |
| 91 | Mary Pugenal | 57 | Sister | Sister | Canada |
| 92 | Mary Bengshala | 61 | Sister | Sister Home Of Poor | Ireland |
| 93 | Mary Visitation | 35 | Sister | Sister Home Of Poor | Ireland |
| 94 | Elizabeth Smith | 24 | Boarder | Social Worker | Rhode Island |
| 95 | Myrtle Waller | 41 | Boarder | Social Worker | Boston |
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)