JD
John Dwyer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Dwyer across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Dwyer |
| Given Name | John A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1927 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Veronica Dwyer | Daughter | — | 4 | ~1936 |
| David Dwyer | Son | — | 10 | ~1930 |
| Teresa Dwyer | Daughter | — | 8 | ~1932 |
| Richard Dwyer | Son | — | 2 | ~1938 |
| John Dwyer | Son | — | 13 | ~1927 |
| Edward Dwyer | Son | — | 6 | ~1934 |
| John Dwyer | Head | — | 46 | ~1894 |
| Margaret Dwyer | Daughter | — | 14 | ~1926 |
| Elizabeth Bryan | Other | — | 62 | ~1878 |
| Andrew Dwyer | Son | — | ~1940 | |
| Frances Dwyer | Daughter | — | 11 | ~1929 |
| Margaret Dwyer | Spouse | — | 41 | ~1899 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 3
Philadelphia, Pennsylvania · implied b. ~1927 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dwyer |
| Given Name | John A Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 13
Philadelphia-County, Pennsylvania · implied b. ~1927 — 12 household members
| Surname | Dwyer |
| Given Name | John A. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | G 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 John Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dwyer
Son · 1940 · age 13 · b. ~1927 · Pennsylvania
★ You are viewing this record
Sibling
Richard Dwyer
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Dwyer
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dwyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Dwyer
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Veronica Dwyer
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Dwyer
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Teresa Dwyer
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dwyer
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
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-t0627-03754-00129)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Matthew Parisi | 9 | Son | — | Pennsylvania |
| 2 | Elizabeth Parisi | 1 | Daughter | — | Pennsylvania |
| 3 | Eldra E. Hinds | 73 | Head | — | England |
| 4 | Albert Schaffner | 56 | Head | Salesman | Pennsylvania |
| 5 | Edna M. Schaffner | 54 | Wife | — | Pennsylvania |
| 6 | Henry O. Rippel | 75 | Head | — | New York |
| 7 | Amelia Rippel | 70 | Wife | — | Pennsylvania |
| 8 | Florence A. Rippel | 39 | Daughter | Teacher | Pennsylvania |
| 9 | Mabel A. Rippel | 26 | Daughter | — | Pennsylvania |
| 10 | Artemus Vanartsdalen | 69 | Head | Carpenter | Pennsylvania |
| 11 | Victoria Vanartsdalen | 67 | Wife | — | New York |
| 12 | John Charles Mattson | 55 | Lodger | Watchman | Germany |
| 13 | William G. Morrow | 47 | Lodger | Houseman | Pennsylvania |
| 14 | Mary Curtis | 22 | Lodger | Housewife | Pennsylvania |
| 15 | Clifford Allen | 70 | Head | Broker | Pennsylvania |
| 16 | Kate R. Allen | 67 | Wife | — | Pennsylvania |
| 17 | John A. Dwyer | 46 | Head | Station Agent | Pennsylvania |
| 18 | Margaret M. Dwyer | 41 | Wife | — | Pennsylvania |
| 19 | Margaret M. Dwyer | 14 | Daughter | — | Pennsylvania |
| 20 | John A. Jr. Dwyer THIS PERSON | 13 | Son | — | Pennsylvania |
| 21 | Frances M. Dwyer | 11 | Daughter | — | Pennsylvania |
| 22 | David F. Dwyer | 10 | Son | — | Pennsylvania |
| 23 | Teresa M. Dwyer | 8 | Daughter | — | Pennsylvania |
| 24 | Edward F. Dwyer | 6 | Son | — | Pennsylvania |
| 25 | Veronica M. Dwyer | 4 | Daughter | — | Pennsylvania |
| 26 | Richard F. Dwyer | 2 | Son | — | Pennsylvania |
| 27 | Andrew F. Dwyer | 0 | Son | — | Pennsylvania |
| 28 | Elizabeth N. Bryan | 62 | Mother-in-law | Laundress | Pennsylvania |
| 29 | Bertha Thomas | 63 | Head | — | Pennsylvania |
| 30 | Gertrude B. Thomas | 31 | Daughter | Bookkeeper | Pennsylvania |
| 31 | John H. Bradford | 32 | Head | Shipper | Pennsylvania |
| 32 | Margaret E. Bradford | 31 | Wife | — | Pennsylvania |
| 33 | Raymond W. Bradford | 12 | Son | — | Pennsylvania |
| 34 | Joyce Helen Bradford | 6 | Daughter | — | Pennsylvania |
| 35 | Samuel B. K. Heiss | 25 | Head | Draftsman And Freelance Art | Pennsylvania |
| 36 | Myrtle May Heiss | 23 | Wife | Typist | Pennsylvania |
| 37 | James R. Daley | 50 | Head | Salesman | New York |
| 38 | Harry W. Hall | 55 | Head | Mechanical Engineer | Pennsylvania |
| 39 | Marion Hall | 51 | Wife | — | Pennsylvania |
| 40 | Harry W. Jr. Hall | 28 | Son | Clerk | Pennsylvania |
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)