TM
Thomas Mcdermott — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Thomas Mcdermott across the 1910, 1920 and 1930 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1870), then head of a 2-person household.
Age 60
b. ~1870
Male
Head
Born: New York
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 24 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Additional Details | |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8200 |
| Radio Set | R |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1870 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcdermott | Head | — | 60 | ~1870 |
| Thomas Mcdermott | Son | — | 16 | ~1914 |
Census Appearances
1910
Philadelphia, Pennsylvania
Head, age 41
Philadelphia, Pennsylvania · implied b. ~1869 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thomas A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | New York |
| Years Married | 6 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Manager |
| Industry | Wholesale Fish |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Philadelphia, Pennsylvania
Head, age 51
Philadelphia, Pennsylvania · implied b. ~1869 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Thos. A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Married |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | President |
| Industry | Am. Fish Co. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Philadelphia, Pennsylvania
Head, age 60
Philadelphia, Pennsylvania · implied b. ~1870 — 2 household members
| Surname | McDermott |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | New York |
| Age at First Marriage | 24 |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 8200 |
| Radio Set | R |
| Veteran | No |
| 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 Mcdermott across 3 US Census years (1910, 1920 and 1930) in Philadelphia, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Thomas Mcdermott
Head · 1930 · age 60 · b. ~1870 · Pennsylvania
★ 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 — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2141:0724)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sue Scotney | 68 | Head | — | Pennsylvania |
| 2 | Mary E Scotney | 38 | Daughter | — | Pennsylvania |
| 3 | Sue C Scotney | 35 | Daughter | Model | Pennsylvania |
| 4 | R Blaylock Scotney | 22 | Son | — | Pennsylvania |
| 5 | Anna M Tait | 74 | Sister | — | Pennsylvania |
| 6 | William Speer | 64 | Head | — | New Jersey |
| 7 | Sophie Speer | 65 | Wife | — | England |
| 8 | William E Hare | 22 | Head | Engineer | Pennsylvania |
| 9 | Margaret H Hare | 19 | Wife | Secretary | Pennsylvania |
| 10 | Marvin Wilson | 45 | Head | Accountant | Pennsylvania |
| 11 | Rena Wilson | 46 | Wife | — | New Jersey |
| 12 | Lorna Wilson | 14 | Daughter | Stenographer | New Jersey |
| 13 | Thomas Mcdermott THIS PERSON | 60 | Head | — | New York |
| 14 | Thomas Jr Mcdermott | 16 | Son | — | Pennsylvania |
| 15 | Herbert L Johnston | 63 | Head | Engineer | Pennsylvania |
| 16 | Catharine Johnston | 60 | Wife | — | Pennsylvania |
| 17 | George R Johnston | 37 | Son | Engineer | Pennsylvania |
| 18 | Francis T Burch | 60 | Head | Lawyer | Virginia |
| 19 | Dorothy M Burch | 59 | Wife | — | Pennsylvania |
| 20 | Katherine Burch | 27 | Daughter | — | Pennsylvania |
| 21 | Annie Smith | 45 | Servant | Servant | Virginia |
| 22 | Mary L Burch | 69 | Lodger | — | Virginia |
| 23 | Charles Maughlin | 64 | Head | Manufacturer | Washington DC |
| 24 | Mary Maughlin | 54 | Wife | — | Pennsylvania |
| 25 | Frederick Fontaine | 64 | Head | Contractor | Pennsylvania |
| 26 | Mary M Fontaine | 61 | Wife | — | Pennsylvania |
| 27 | Clifford Kelly | 31 | Head | Accountant | Pennsylvania |
| 28 | Eleanor J Kelly | 25 | Wife | — | Pennsylvania |
| 29 | Helen J Kelly | 1 | Daughter | — | Pennsylvania |
| 30 | Joan Kelly | 0 | Daughter | — | Pennsylvania |
| 31 | Katherine Kelly | 58 | Mother | — | Pennsylvania |
| 32 | Lillian S Gross | 25 | Lodger | Manager | Pennsylvania |
| 33 | Lillian Gross | 24 | Lodger | Cashier | Pennsylvania |
| 34 | Leonard Kelly | 54 | Lodger | Boiler Maker | Pennsylvania |
| 35 | Anna Calder | 29 | Lodger | Stenographer | Virginia |
| 36 | Nora Moore | 35 | Lodger | Hostess | New Jersey |
| 37 | Esther Mcjudge | 22 | Lodger | Hostess | New Jersey |
| 38 | George W Campbell | 40 | Head | Mechanical Engineer | Pennsylvania |
| 39 | Alice E Campbell | 36 | Wife | — | Massachusetts |
| 40 | George W Jr Campbell | 5 | Son | — | Pennsylvania |
| 41 | William H Campbell | 1 | Son | — | Pennsylvania |
| 42 | Rollin L Ruoff | 29 | Brother-in-law | Engineer | Massachusetts |
| 43 | Evelyn M Ruoff | 28 | Sister-in-law | — | Massachusetts |
| 44 | Rollin L Jr Ruoff | 1 | Nephew | — | Pennsylvania |
| 45 | George Benjamin | 58 | Lodger | — | Michigan |
| 46 | Edith M Benjamin | 61 | Lodger | — | New Hampshire |
| 47 | Frank Benjamin | 62 | Lodger | Salesman | Massachusetts |
| 48 | Oscar Dietrichson | 62 | Head | Lawyer | Pennsylvania |
| 49 | Fanny Dietrichson | 61 | Wife | — | Pennsylvania |
| 50 | Howard R Dietrichson | 30 | Son | Lawyer | Pennsylvania |
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)