ED
Edward Duffy — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Edward Duffy across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1877), then head of a 7-person household.
Age 63
b. ~1877
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Salesman |
| Industry | Retail Fruit |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 298 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Salesman |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1877 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Margaret Duffy | Spouse | — | 53 | ~1887 |
| Edward Duffy | Head | — | 63 | ~1877 |
| John Duffy | Son | — | 29 | ~1911 |
| Bernard Duffy | Son | — | 14 | ~1926 |
| Mary Duffy | Daughter | — | 31 | ~1909 |
| Dorothy Duffy | Other | — | 20 | ~1920 |
| Edward Duffy | Son | — | 21 | ~1919 |
Census Appearances
1920
Montgomery, Pennsylvania
Other, age 40
Montgomery, Pennsylvania · implied b. ~1880 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Servant |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Ireland |
| Year of Immigration | 1905 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Houseman |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1914 |
| Birthplace (normalized) | ireland |
1930
Montgomery, Pennsylvania
Other, age 51
Montgomery, Pennsylvania · implied b. ~1879 — 25 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duffey |
| Given Name | Edward |
| Relationship to Head | Houseman |
| Sex | M |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Father's Birthplace | North Ireland |
| Mother's Birthplace | North Ireland |
| Occupation | Houseman |
| Industry | Private family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Philadelphia-County, Pennsylvania
Head, age 63
Philadelphia-County, Pennsylvania · implied b. ~1877 — 7 household members
| Surname | Duffy |
| Given Name | Edward |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 63 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Naturalization Status | Naturalized |
| Occupation | Salesman |
| Industry | Retail Fruit |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 298 |
| Highest Grade | No 5 |
| 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 Edward Duffy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Edward Duffy
Head · 1940 · age 63 · b. ~1877 · 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-t0627-03709-00100)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Etta Wolfe | 69 | Servant | Housekeeper | Vermont |
| 2 | Albert Levy | 39 | Head | Salesman | New York |
| 3 | Ida Levy | 34 | Wife | — | Russia |
| 4 | Lorraine Levy | 14 | Daughter | — | Penna |
| 5 | Roy Levy | 9 | Son | — | Penna |
| 6 | Charles C. Simon | 60 | Head | Chauffeur | Penna |
| 7 | Edna Simon | 41 | Wife | — | Penna |
| 8 | John Simon | 22 | Son | Laborer | Penna |
| 9 | Thomas Simon | 20 | Son | Dyer | Penna |
| 10 | Mildred Simon | 16 | Daughter | — | Penna |
| 11 | George Lambert | 47 | Head | Salesman | Penna |
| 12 | Elizabeth Lambert | 46 | Wife | — | Penna |
| 13 | Evelyn Lambert | 22 | Daughter | Stenographer | Penna |
| 14 | Eleanor Lambert | 13 | Daughter | — | Penna |
| 15 | Alice Bamberger | 43 | Head | — | Penna |
| 16 | Frances Bamberger | 21 | Daughter | Operator | Penna |
| 17 | George Bamberger | 19 | Son | Bus Boy | Penna |
| 18 | Alice Bamberger | 17 | Daughter | New Worker | Penna |
| 19 | Charles Bamberger | 11 | Son | — | Penna |
| 20 | Thomas Bamberger | 9 | Son | — | Penna |
| 21 | Sadie Patterson | 64 | Head | — | Eire |
| 22 | Wilhelmina Patterson | 28 | Daughter | Reg. Prof. Nurse | Penna |
| 23 | William Dorney | 36 | Nephew | Manager | Eire |
| 24 | Edward Duffy THIS PERSON | 63 | Head | Salesman | Ireland |
| 25 | Margaret Duffy | 53 | Wife | — | Eire |
| 26 | Mary Duffy | 31 | Daughter | Topper | Penna |
| 27 | Edward Duffy | 21 | Son | Electrician | Penna |
| 28 | Bernard Duffy | 14 | Son | — | Penna |
| 29 | John Duffy | 29 | Son | Machinist | Penna |
| 30 | Dorothy Duffy | 20 | Daughter-in-law | — | Penna |
| 31 | P. Edward Bernkopf | 32 | Head | Lawyer | New York |
| 32 | Dorothy Bernkopf | 30 | Wife | — | Penna |
| 33 | Kay Bernkopf | 3 | Daughter | — | Penna |
| 34 | John Bernkopf | 1 | Son | — | Penna |
| 35 | Muriel Paisley | 20 | Servant | Maid | Penna |
| 36 | Clara Singer | 56 | Head | Forelady | Penna |
| 37 | Mary Singer | 70 | Sister | — | Penna |
| 38 | Emma Singer | 63 | Sister | Winder | Penna |
| 39 | James Walker | 39 | Head | Engraver | Penna |
| 40 | Catherine Walker | 45 | Sister | Clerk | Penna |
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)