TM
Thomas Mcmahon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · New York, New York
Our Model Tree links this Thomas Mcmahon across the 1920, 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 8-person household.
Age 52
b. ~1878
Male
Head
Born: New York
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | New York, New York |
| Surname | McMahon |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 31 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Painter |
| Industry | Loft |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Painter |
| Township / Ward | New York City |
| Est. Birth Year | ~1878 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| John Mcmahon | Son | — | 19 | ~1911 |
| Catherine Mcmahon | Spouse | — | 34 | ~1896 |
| George Mcmahon | Son | — | 14 | ~1916 |
| Thomas Mcmahon | Son | — | 21 | ~1909 |
| Walter Mcmahon | Son | — | 9 | ~1921 |
| Edward Mcmahon | Son | — | 12 | ~1918 |
| Hugh Mcmahon | Son | — | 16 | ~1914 |
| Thomas Mcmahon | Head | — | 52 | ~1878 |
Census Appearances
1920
New York, …
Other, age 40
New York, New York · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | Thomas |
| Relationship to Head | Nephew |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Head, age 52
New York, New York · implied b. ~1878 — 8 household members
| Surname | McMahon |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 31 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Painter |
| Industry | Loft |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 30 |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
New-York-County, New …
Other, age 63
New-York-County, New York · implied b. ~1877 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | Thomas |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Manhattan borough |
| 1935 Residence (County) | New York |
| Income (1939) | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| 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 Thomas Mcmahon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Mcmahon
Head · 1930 · age 52 · b. ~1878 · 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 — New York, New York
Open full size
1930 US Federal Census — New York, New York
Page Contents
48 people indexed on this census page (ia:1930:newyorkcensus00reel1577:0859)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eleanor Laughlin | 35 | Head | — | New York State |
| 2 | Margaret Laughlin | 14 | Daughter | — | New York |
| 3 | Patricia Laughlin | 12 | Daughter | — | New York |
| 4 | John Laughlin | 10 | Son | — | New York |
| 5 | Eleanor Laughlin | 8 | Daughter | — | New York |
| 6 | James Laughlin | 5 | Son | — | New York |
| 7 | Charles Loughman | 31 | Head | — | New York State |
| 8 | Anna Loughman | 31 | Wife | — | New York State |
| 9 | Charles Loughman | 9 | Son | — | New York |
| 10 | Jack Loughman | 2 | Son | — | New York |
| 11 | Abraham Ali | 50 | Head | Tailor | Russia-Poland |
| 12 | Eva Ali | 45 | Wife | — | Russia-Poland |
| 13 | James Ali | 25 | Son | Accountant | New York |
| 14 | Sally Ali | 24 | Daughter | Stenographer | New York |
| 15 | Harry Ali | 22 | Son | Inspector | New York |
| 16 | Isabelle Ali | 20 | Daughter | Clerk | New York |
| 17 | Beatrice Ali | 16 | Daughter | — | New York |
| 18 | Thomas Hosins | 36 | Head | Chauffeur | Irish Free State |
| 19 | Mary Hosins | 35 | Wife | Waitress | Irish Free State |
| 20 | Hannah Scanlon | 26 | Boarder | Conductor | Irish Free State |
| 21 | Mary O'Connor | 45 | Head | Demonstrator | New York |
| 22 | Joseph Bourgeois | 33 | Head | Waiter | Massachusetts |
| 23 | Carrie O'Connor | 35 | Head | Waitress | New York |
| 24 | O'Connor | None | — | — | — |
| 25 | O'Connor | None | — | — | — |
| 26 | O'Connor | None | — | — | — |
| 27 | O'Connor | None | — | — | — |
| 28 | C. A. Nielsen | 25 | Head | — | New York |
| 29 | Nielsen | 26 | Wife | — | Hungary-Austria |
| 30 | Louis C. Nielsen | 2 | Son | — | New York |
| 31 | Adamic | 37 | Head | — | London |
| 32 | Adamic | 18 | Son | Sales Lady | New York |
| 33 | Adamic | 13 | Son | — | New York |
| 34 | Charles Adamic | 12 | Son | — | New York |
| 35 | Adamic | 7 | Son | — | New York |
| 36 | Louise Ramos | 77 | Mother-in-law | — | London |
| 37 | Thomas Mcmahon THIS PERSON | 52 | Head | Painter | New York |
| 38 | Catherine Mcmahon | 34 | Wife | — | Irish Free State |
| 39 | Thomas J. Mcmahon | 21 | Son | Carpenter | New York |
| 40 | John J. Mcmahon | 19 | Son | Carpenter | New York |
| 41 | Hugh Mcmahon | 16 | Son | Messenger | New York |
| 42 | George Mcmahon | 14 | Son | — | New York |
| 43 | Edward Mcmahon | 12 | Son | — | New York |
| 44 | Walter Mcmahon | 9 | Son | — | New York |
| 47 | Hazel Murray | 32 | Head | Saleslady | Connecticut |
| 48 | Jessie Warner | 71 | Mother-in-law | — | New York |
| 49 | Louis Stilman | 41 | Head | Chauffeur | Russia |
| 50 | Lillie Stilman | 41 | Wife | — | Russia |
Related Census Records
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)