JM
John Mccormack — 1900 US Census Record
Linked across censuses1900 United States Federal Census · New York, New York
Our Model Tree links this John Mccormack across the 1900, 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1869), then head of a 3-person household.
Age 31
b. ~1869
Male
Head
Born: Ireland
Married
1900 Census Record Details
| Census Year | 1900 |
| Location | New York, New York |
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1869 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Printer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Printer |
| Township / Ward | Borough Of Manhattan |
| Est. Birth Year | ~1869 |
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 1900 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Mccormack | Head | — | 31 | ~1869 |
| Alice Mccormack | Daughter | — | 8 | ~1892 |
| Catherine Mccormack | Spouse | — | 30 | ~1870 |
Census Appearances
1900
New York, …
Head, age 31
New York, New York · implied b. ~1869 — 3 household members
| Surname | McCormack |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1869 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Printer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New York, …
Head, age 40
New York, New York · implied b. ~1870 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 11 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Stevedore |
| Industry | Railroad Co |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 51
New York, New York · implied b. ~1869 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1880 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Street R.R. |
| 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
New York, …
Head, age 63
New York, New York · implied b. ~1867 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1882 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Postman |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 21 |
| Radio Set | R |
| Veteran | No |
| 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 4 US Census years (1900, 1910, 1920 and 1930) in New York, New York, using XGBoost record linkage.
Show:
This person
Anchor record
John Mccormack
Head · 1900 · age 31 · b. ~1869 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1900 US Federal Census — New York, New York
Open full size
1900 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1900:12thcensusofpopu1082unit:0406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary Liguori | 28 | Wife | — | Italy |
| 52 | Frank Liguori | 12 | Son | School | Italy |
| 53 | Salvador Liguori | 14 | Brother | Fruit Dealer | Italy |
| 54 | Michael Murnane | 70 | Head | Blacksmith | Ireland |
| 55 | Michael G Murnane | 45 | Son | Entry Clerk | New York |
| 56 | Thomas Murnane | 42 | Son | Expressman | New York |
| 57 | James Murnane | 40 | Son | Supervising | New York |
| 58 | Mary E Murnane | 39 | Daughter | — | New York |
| 59 | James J Martin | 55 | Head | Police Sergeant | New York |
| 60 | Sarah Martin | 53 | Wife | — | New Jersey |
| 61 | Edward Martin | 14 | Son | School | New York |
| 62 | Thomas Nichols | 28 | Boarder | Clerk | New York |
| 63 | Minnie Nichols | 13 | Boarder | — | New York |
| 64 | Anton Wernecke | 49 | Head | Tobacconist | Germany |
| 65 | Christina Wernecke | 46 | Wife | — | New York |
| 66 | Frank Wernecke | 16 | Son | Office Boy | New York |
| 67 | Annie Wernecke | 14 | Daughter | School | New York |
| 68 | Anton Wernecke | 8 | Son | School | New York |
| 69 | Joseph Wernecke | 2 | Son | — | New York |
| 70 | Frederick Schmalstich | 67 | Head | Tobacconist | Germany |
| 71 | Mary Schmalstich | 60 | Wife | — | New Jersey |
| 72 | Mary Schmalstich | 35 | Daughter | — | New York |
| 73 | Emma Schmalstich | 26 | Daughter | — | New York |
| 74 | Andrew Golden | 29 | Son-in-law | Book Keeper | New York |
| 75 | Herbert Golden | 1 | Grandson | — | New York |
| 76 | Gustave Maurer | 35 | Head | Tobacconist | New York |
| 77 | Dora Maurer | 28 | Wife | — | Germany |
| 78 | Charles Maurer | 6 | Son | School | New York |
| 79 | George Maurer | 4 | Son | School | New York |
| 80 | Gustave Maurer | 3 | Son | School | New York |
| 81 | Mary Maurer | 72 | Mother | — | Germany |
| 82 | August Hoyer | 21 | Boarder | Confectioner | Germany |
| 83 | John Hellms | 30 | Head | Stableman | Germany |
| 84 | Louise Hellms | 26 | Wife | — | New York |
| 85 | Bertha Hellms | 1 | Daughter | — | New York |
| 86 | Henry Helm | 19 | Brother | Bartender | Germany |
| 87 | John Schoenthal | 22 | Boarder | Bartender | Germany |
| 88 | Katie Donohue | 35 | Servant | Servant | Germany |
| 89 | Martha Pieper | 31 | Boarder | Cloak Maker | Germany |
| 90 | Samuel Spacy | 60 | Boarder | Clerk | New York |
| 91 | Elsie Gathier | 33 | Boarder | Dress Maker | Germany |
| 92 | Bernard Dossman | 22 | Boarder | Bartender | Germany |
| 93 | James Whitson | 50 | Head | Elevator Attendant | Ireland |
| 94 | Jane Whitson | 50 | Wife | — | Ireland |
| 95 | John Whitson | 26 | Son | Carpenter | New York |
| 96 | Joseph Whitson | 23 | Son | Clerk | New York |
| 97 | William Whitson | 19 | Son | Clothing Cutter | New York |
| 98 | John Mccormack THIS PERSON | 30 | Head | Printer | Ireland |
| 99 | Catherine Mccormack | 30 | Wife | — | New York |
| 100 | Alice Mccormack | 7 | Daughter | School | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1900 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)