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John Brennan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · New York, New York
Our Model Tree links this John Brennan across the 1900, 1910 and 1920 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 4-person household.
Age 45
b. ~1875
Male
Head
Born: Ireland
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | New York, New York |
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Repairman |
| Industry | Stationary |
| 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 | 1900 |
| Birthplace (normalized) | ireland |
| Occupation | Repairman |
| Township / Ward | New York |
| Est. Birth Year | ~1875 |
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.
4 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Brennan | Head | — | 45 | ~1875 |
| Arthur Brennan | Son | — | 15 | ~1905 |
| John Brennan | Son | — | 18 | ~1902 |
| Julia Brennan | Spouse | — | 43 | ~1877 |
Census Appearances
1900
New York, …
Head, age 28
New York, New York · implied b. ~1872 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Nov |
| Birth Year | 1872 |
| Year of Immigration | 1891 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New York, …
Head, age 35
New York, New York · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 8 |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carpenter |
| Industry | Building |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
New York, …
Head, age 45
New York, New York · implied b. ~1875 — 4 household members
| Surname | Brennan |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1893 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Repairman |
| Industry | Stationary |
| 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 | 1900 |
| 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 Brennan across 3 US Census years (1900, 1910 and 1920) in New York, New York, using XGBoost record linkage.
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This person
Anchor record
John Brennan
Head · 1920 · age 45 · b. ~1875 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — New York, New York
Open full size
1920 US Federal Census — New York, New York
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1218unit:0566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George Rubel | 47 | Brother | Musician | New York |
| 2 | Michael O'Brien | 51 | Head | Rock-Man | Ireland |
| 3 | Eleanor O'Brien | 49 | Wife | — | Ireland |
| 4 | William O'Brien | 21 | Son | Typist | New York |
| 5 | Thomas O'Brien | 19 | Son | Clerk | New York |
| 6 | Maurice O'Brien | 18 | Son | Cutter | New York |
| 7 | Joseph O'Brien | 16 | Son | — | New York |
| 8 | Marion O'Brien | 14 | Son | — | New York |
| 9 | John Burns | 55 | Head | Laborer | Ireland |
| 10 | Elizabeth Burns | 33 | Daughter | — | New York |
| 11 | Anna Burns | 31 | Daughter | Saleslady | New York |
| 12 | John J. Burns | 27 | Son | Fireman | New York |
| 13 | Ellen Burns | 25 | Daughter | Operator | New York |
| 14 | Andrew Burns | 24 | Son | Embalmer | New York |
| 15 | Agnes Burns | 20 | Daughter | Operator | New York |
| 16 | Patrick Hayes | 45 | Head | Lieutenant | Ireland |
| 17 | Mary Hayes | 48 | Wife | — | Ireland |
| 18 | Helen Hayes | 13 | Daughter | — | New York |
| 19 | Natalie Hayes | 11 | Daughter | Stenographer | New York |
| 20 | Mary Hayes | 9 | Daughter | — | New York |
| 21 | John Macaulay | 62 | Head | Printer | New York |
| 22 | Mary Macaulay | 60 | Wife | — | New York |
| 23 | Serena M. Macaulay | 35 | Daughter | — | New York |
| 24 | John Macaulay | 27 | Son | Civil Engineer | New York |
| 25 | John Brennan THIS PERSON | 45 | Head | Repairman | Ireland |
| 26 | Julia Brennan | 43 | Wife | — | Ireland |
| 27 | John Brennan | 18 | Son | — | New York |
| 28 | Arthur Brennan | 15 | Son | — | New York |
| 29 | Meyer Wolf | 53 | Head | Bottler | Russia |
| 30 | Bertha Wolf | 49 | Wife | — | Canada |
| 31 | Serma Wolf | 22 | Daughter | Bookkeeper | New York |
| 32 | Miriam Wolf | 20 | Daughter | Stenographer | New York |
| 33 | Bella Wolf | 18 | Daughter | Stenographer | New York |
| 34 | Milton Wolf | 15 | Son | Mechanic | New York |
| 35 | Madeline Wolf | 13 | Daughter | — | New York |
| 36 | Ruth Wolf | 11 | Daughter | — | New York |
| 37 | John Schechtl | 45 | Head | Buyer | Switzerland |
| 38 | Hilda Schechtl | 40 | Wife | — | Germany |
| 39 | Eleanor Schechtl | 17 | Daughter | Designer | New Jersey |
| 40 | Marguerite Schechtl | 13 | Daughter | — | New York |
| 41 | Helen Schechtl | 10 | Daughter | — | New Jersey |
| 42 | Mary Lewis | 60 | Head | — | Ireland |
| 43 | Mary Lewis | 26 | Daughter | — | Ireland |
| 44 | Michael Lewis | 24 | Son | Chauffeur | Ireland |
| 45 | Maurice V. Lewis | 22 | Son | Chauffeur | Ireland |
| 46 | Robert Lewis | 10 | Grand-son | — | New York |
| 47 | Peter Nealy | 25 | Boarder | Iron-Fitter | Ireland |
| 48 | Herman Ritschel | 55 | Head | Butcher | Bohemia |
| 49 | Antonia Ritschel | 51 | Wife | — | Bohemia |
| 50 | Antonia Ritschel | 29 | Daughter | Model | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)