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John Mcdermott — 1930 US Census Record
Model Tree available1930 United States Federal Census · Kings, New York
Our Model Tree links this John Mcdermott across the 1910, 1920 and 1930 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents Elizabeth — first a head (b.~1896), then head of a 6-person household.
Age 34
b. ~1896
Male
Head
Born: New York
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Kings, New York |
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Veteran | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Clerk |
| Township / Ward | Brooklyn Boro |
| Est. Birth Year | ~1896 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcdermott | Daughter | — | 12 | ~1918 |
| Josephine Mcdermott | Daughter | — | 8 | ~1922 |
| Edna Mcdermott | Daughter | — | 14 | ~1916 |
| John Mcdermott | Head | — | 34 | ~1896 |
| John Mcdermott | Son | — | 10 | ~1920 |
| Anna Mcdermott | Spouse | — | 34 | ~1896 |
Census Appearances
1910
Kings, New …
Son, age 15
Kings, New York · implied b. ~1895 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Cable Co |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Kings, New …
Head, age 23
Kings, New York · implied b. ~1897 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Express |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Head, age 34
Kings, New York · implied b. ~1896 — 6 household members
| Surname | McDermott |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 21 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Post Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35 |
| Veteran | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Mcdermott across 3 US Census years (1910, 1920 and 1930) in Kings, New York, using XGBoost record linkage. Identified parents: mother Elizabeth Mcdermott (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Mcdermott
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Mcdermott
Head · 1930 · age 34 · b. ~1896 · New York
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Kings, New York
Open full size
1930 US Federal Census — Kings, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1505:0143)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Theresa | 10 | Head | — | Germany |
| 2 | Agnes Theresa | 10 | Wife | — | Germany |
| 3 | Margaret Theresa | 10 | Daughter | — | New York |
| 4 | Thomas Theresa | 10 | Son | — | New York |
| 5 | Edward G Turner | 48 | Head | Engineer | Denmark |
| 6 | Ida Turner | 45 | Wife | — | Denmark |
| 7 | William A Sorensen | 54 | Head | Foreman | Denmark |
| 8 | Mary Z Sorensen | 51 | Wife | — | Denmark |
| 9 | Joseph Rasmussen | 34 | Head | Salesman | Russia |
| 10 | Sophie Rasmussen | 34 | Wife | — | Russia |
| 11 | Caroline Rasmussen | 7 | Daughter | — | New York |
| 12 | John Mcdermott THIS PERSON | 34 | Head | Clerk | New York |
| 13 | Anna Mcdermott | 34 | Wife | — | New York |
| 14 | Edna Mcdermott | 14 | Daughter | — | New York |
| 15 | Margaret Mcdermott | 12 | Daughter | — | New York |
| 16 | John Mcdermott | 10 | Son | — | New York |
| 17 | Josephine Mcdermott | 8 | Daughter | — | New York |
| 18 | William Foley | 56 | Head | Clerk | New York |
| 19 | Agnes Foley | 48 | Wife | — | New York |
| 20 | Charles M Foley | 18 | Son | Clerk | New York |
| 21 | Mary Foley | 16 | Daughter | — | New York |
| 22 | John Foley | 14 | Son | — | New York |
| 23 | Joseph Foley | 12 | Son | — | New York |
| 24 | James Foley | 10 | Son | — | New York |
| 25 | John Mccarthy | 50 | Head | Clerk | Ireland |
| 26 | Julia Mccarthy | 38 | Wife | — | Ireland |
| 27 | Helen Mccarthy | 13 | Daughter | — | New York |
| 28 | John Mccarthy | 11 | Son | — | New York |
| 29 | Joseph Mccarthy | 10 | Son | — | New York |
| 30 | Robert Mccarthy | 8 | Son | — | New York |
| 31 | Joseph Mccarthy | 3 | Son | — | New York |
| 32 | Michael Mccarthy | 1 | Son | — | New York |
| 33 | John Mccarthy | 43 | Head | Foreman | Ireland |
| 34 | Mary Mccarthy | 41 | Wife | — | New York |
| 35 | John Mccarthy | 12 | Son | — | New York |
| 36 | Herman Sorensen | 43 | Head | Tinsmith | New York |
| 37 | Charles T Sorensen | 17 | Son | Clerk | New York |
| 38 | Alice C Sorensen | 15 | Daughter | — | New York |
| 39 | Edgar W Sorensen | 11 | Son | — | New York |
| 40 | Joseph Thomas | 26 | Head | Clerk | Scotland |
| 41 | Mary Thomas | 26 | Wife | — | New York |
| 42 | Joseph Thomas | 4 | Son | — | New York |
| 43 | John Flynn | 45 | Head | Superintendent | Ireland |
| 44 | Herman Thompson | 21 | Head | Clerk | Norway |
| 45 | Agnes Thompson | 22 | Wife | — | Norway |
| 46 | Herman Thompson | 40 | Son | Foreman | Ireland |
| 47 | Margaret Thompson | 40 | Wife | — | Ireland |
| 48 | Mary E Thompson | 17 | Daughter | Clerk | New York |
| 49 | Alice Thompson | 15 | Daughter | — | New York |
| 50 | John T Thompson | 13 | Son | — | New York |
Pedigree Summary
John
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)