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Margaret Mcdermott — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Margaret Mcdermott across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a spouse (b.~1884), then head of a 5-person household.
Age 56
b. ~1884
Female
Spouse
Born: Rhode Island
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
| Township / Ward | Phila |
| Est. Birth Year | ~1884 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Thomas Mcdermott | Head | — | 58 | ~1882 |
| Minor Mcdermott | Daughter | — | 24 | ~1916 |
| William Mcdermott | Son | — | 20 | ~1920 |
| Margaret Mcdermott | Spouse | — | 56 | ~1884 |
| Edward Mcdermott | Son | — | 32 | ~1908 |
Census Appearances
1920
Philadelphia, Pennsylvania
Spouse, age 36
Philadelphia, Pennsylvania · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Margaret V |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1930
Philadelphia, Pennsylvania
Spouse, age 46
Philadelphia, Pennsylvania · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| Age at First Marriage | 23 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
1940
Philadelphia-County, Pennsylvania
Spouse, age 56
Philadelphia-County, Pennsylvania · implied b. ~1884 — 5 household members
| Surname | McDermott |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | Rhode Island |
| 1935 Residence (City) | Phila |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | H-3 |
| 1935 Residence | Same House |
| Birth State | Rhode Island |
| Birth Country | United States |
| Birthplace (normalized) | rhode island |
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 Margaret Mcdermott across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Mcdermott
Spouse · 1940 · age 56 · b. ~1884 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03755-00044)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas E Mcdermott | 58 | Head | Textile Worker | New York |
| 42 | Margaret Mcdermott THIS PERSON | 56 | Wife | — | Rhode Island |
| 43 | Edward Mcdermott | 32 | Son | Textile Worker | Rhode Island |
| 44 | Minor Mcdermott | 24 | Daughter | — | Penna |
| 45 | William Mcdermott | 20 | Son | Textile | Penna |
| 46 | Thomas P Saltry | 35 | Head | Machinist | Penna |
| 47 | Peter Saltry | 65 | Father | — | Penna |
| 48 | Edith Saltry | 62 | Mother | — | Penna |
| 49 | Verna Saltry | 37 | Sister | Cashier | Penna |
| 50 | Vincent J Fauly | 46 | Head | Auto Machinist | Penna |
| 51 | Elizabeth H Fauly | 36 | Wife | — | Penna |
| 52 | Arthur Hall | 60 | Father-in-law | — | Penna |
| 53 | Elizabeth B Hall | 60 | Mother-in-law | — | Delaware |
| 54 | Jacob Berkowitz | 49 | Head | Projectionist | Penna |
| 55 | Anna Berkowitz | 48 | Wife | — | Russia |
| 56 | Karl S Berkowitz | 26 | Son | Projectionist | Penna |
| 57 | Morton Berkowitz | 24 | Son | Salesman | Penna |
| 58 | Henry Berkowitz | 19 | Son | Electrical | Penna |
| 59 | Peter J Lorety | 54 | Head | Comptroller | Maryland |
| 60 | Anna M Lorety | 46 | Wife | — | Penna |
| 61 | Ann R Lorety | 25 | Daughter | Teacher | Penna |
| 62 | George H Lorety | 23 | Son | Aviator | Penna |
| 63 | Matthew Duffy | 38 | Head | Electrician | Penna |
| 64 | Edith Duffy | 37 | Wife | — | Penna |
| 65 | Patricia Duffy | 4 | Daughter | — | Penna |
| 66 | Edward Duffy | 0 | Son | — | Penna |
| 67 | Roan Catherine Duffy | 80 | Aunt to wife | — | Penna |
| 68 | Joseph Honold | 50 | Brother-in-law | Salesman | Penna |
| 69 | Oliver Snyder | 47 | Head | Inspector | Penna |
| 70 | Viola Snyder | 43 | Wife | — | Penna |
| 71 | Thelma Snyder | 25 | Daughter | Secretary | Penna |
| 72 | Anna Workman | 73 | Mother-in-law | — | Delaware |
| 73 | Elizabeth O'Brien | 76 | Lodger | — | Delaware |
| 74 | Edward Mcconnel | 38 | Head | Asst Superintendent | Penna |
| 75 | Mary E Mcconnel | 38 | Wife | — | Penna |
| 76 | Edward Jr Mcconnel | 13 | Son | — | Penna |
| 77 | Jeanne Mcconnel | 11 | Daughter | — | Penna |
| 78 | Geraldine Mcconnel | 10 | Daughter | — | Penna |
| 79 | Fred S Williams | 29 | Head | Dentist | Penna |
| 80 | Margaret Williams | 62 | Mother | — | Ireland |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)