TM
Thomas Mcmahon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Erie, New York
Our Model Tree links this Thomas Mcmahon across the 1920, 1930 and 1940 US Censuses in Erie, New York (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 3-person household.
Age 54
b. ~1876
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Erie, New York |
| Surname | McMahon |
| Given Name | Thomas B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Professional |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Professional |
| Township / Ward | Buffalo City |
| Est. Birth Year | ~1876 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcmahon | Head | — | 54 | ~1876 |
| Thomas Mcmahon | Son | — | 15 | ~1915 |
| Sofia Mcmahon | Other | — | 52 | ~1878 |
Census Appearances
1920
Erie, New …
Head, age 42
Erie, New York · implied b. ~1878 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1888 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth Country | Ireland |
| Year of Naturalization | 1900 |
| Birthplace (normalized) | ireland |
1930
Erie, New …
Head, age 54
Erie, New York · implied b. ~1876 — 3 household members
| Surname | McMahon |
| Given Name | Thomas B |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1889 |
| Age at First Marriage | 24 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Professional |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 40 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Erie-County, New …
Other, age 64
Erie-County, New York · implied b. ~1876 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McMahon |
| Given Name | Thomas Jr. |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | Buffalo |
| 1935 Residence (County) | Erie |
| Naturalization Status | Naturalized |
| Occupation | Waiter |
| Industry | restaurant |
| Class of Worker | PW |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Thomas Mcmahon across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcmahon
Head · 1930 · age 54 · b. ~1876 · 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 — Erie, New York
Open full size
1930 US Federal Census — Erie, New York
Page Contents
50 people indexed on this census page (ia:1930:newyorkcensus00reel1434:0210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Anthony Notaro | 43 | Head | Cook | Italy |
| 52 | Minnie Notaro | 37 | Wife-H | Housewife | New York |
| 53 | Antonia Notaro | 15 | Daughter | Student | New York |
| 54 | Thomas B Mcmahon THIS PERSON | 54 | Head | Professional | Ireland |
| 55 | Sofia Mcmahon | 52 | Wife-H | Housewife | New York |
| 56 | Thomas B Mcmahon | 15 | Son | Student | New York |
| 57 | Joseph Benintende | 24 | Head | Tire Builder | Italy |
| 58 | Gertrude Benintende | 21 | Wife-H | Housewife | New York |
| 59 | Antonina Benintende | 2 | Daughter | None | New York |
| 60 | Augustin Giora | 44 | Father in law | Student | New York |
| 61 | Mammie Giora | 17 | Sister in law | Sewing | New York |
| 62 | John E. Hoffman | 50 | Head | Electric Engineer | Nebraska |
| 63 | Marie A Hoffman | 50 | Wife-H | Housewife | Germany |
| 64 | Charles V. Hoffman | 21 | Son | Schauffer | New York |
| 65 | Mary Hoffman | 28 | Daughter in law | — | Pennsylvania |
| 66 | Noah Bond | 53 | Head | Housekeeper | New York |
| 67 | William Hillard | 45 | Roomer | Auto Repair | Connecticut |
| 68 | Leo Schuch | 34 | Head | Taxi Driver | New York |
| 69 | Maurasta Schuch | 35 | Wife-H | Housewife | Pennsylvania |
| 70 | Nickel Zaidan | 50 | Head | Merchant | Syria |
| 71 | Edward J. Thessen | 47 | Head | Night Watchman | New York |
| 72 | Emma E. Thessen | 42 | Wife-H | Housewife | New Jersey |
| 73 | Bruce Brown | 42 | Head | Handyman | Indiana |
| 74 | Rose M. Brown | 47 | Wife-H | Housewife | Canada-Eng |
| 75 | Stephen Brown | 17 | Son | None | Illinois |
| 76 | Louis Mazzalo | 46 | Head | Labor | Italy |
| 77 | Antoinette Mazzalo | 37 | Wife-H | None | Italy |
| 78 | Joseph Mazzalo | 19 | Son | Bookkeeper | New York |
| 79 | Gertrie Mazzalo | 16 | Daughter | Student | New York |
| 80 | Rose Mazzalo | 13 | Daughter | Student | New York |
| 81 | Mary Mazzalo | 8 | Daughter | Student | New York |
| 82 | Abraham Abidhamie | 42 | Head | Proprietor | Armenia |
| 83 | Mary Abidhamie | 36 | Wife-H | Housewife | Armenia |
| 84 | Victor Abidhamie | 6 | Son | Student | New York |
| 85 | Emil Abidhamie | 3 | Son | None | New York |
| 86 | Joseph Dolce | 38 | Head | Labor | Italy |
| 87 | Concetta Dolce | 30 | Wife-H | Housewife | New York |
| 88 | Sarah Dolce | 13 | Daughter | Student | New York |
| 89 | Angela Dolce | 11 | Daughter | Student | New York |
| 90 | John Dolce | 8 | Son | Student | New York |
| 91 | Dionus Dolce | 6 | Son | Student | New York |
| 92 | Rita Dolce | 3 | Daughter | None | New York |
| 93 | Cruciano Dolce | 75 | Head | None | Italy |
| 94 | Anna Maria Dolce | 68 | Wife-H | Housewife | Italy |
| 95 | Sam Scinta | 27 | Head | Schauffer | New York |
| 96 | Rose Scinta | 22 | Wife-H | Housewife | New York |
| 97 | Jennie Scinta | 3 | Daughter | None | New York |
| 98 | Josephine Scinta | 2 | Daughter | None | New York |
| 99 | Rosa Scinta | 0 | Daughter | None | New York |
| 100 | Joseph Valenza | 23 | Head | Photographer | New York |
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)