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John Doherty — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this John Doherty across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Doherty |
| Given Name | John P |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | S 7 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Patrick Doherty | Head | — | 39 | ~1901 |
| Eugene Doherty | Son | — | 6 | ~1934 |
| Joseph Doherty | Son | — | 12 | ~1928 |
| Winifred Doherty | Daughter | — | 11 | ~1929 |
| Frederick Doherty | Son | — | ~1940 | |
| Daniel Doherty | Son | — | 8 | ~1932 |
| Winifred Doherty | Spouse | — | 38 | ~1902 |
| John Doherty | Son | — | 14 | ~1926 |
| Edward Doherty | Son | — | 6 | ~1934 |
Census Appearances
1930
Delaware, Pennsylvania
Son, age 4
Delaware, Pennsylvania · implied b. ~1926 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Doherty |
| Given Name | John J. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 14
Philadelphia-County, Pennsylvania · implied b. ~1926 — 9 household members
| Surname | Doherty |
| Given Name | John P |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | S 7 |
| 1935 Residence | Same house |
| 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 Doherty across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Doherty
Son · 1940 · age 14 · b. ~1926 · Pennsylvania
★ You are viewing this record
Sibling
Frederick Doherty
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Winifred Doherty
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Doherty
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Doherty
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eugene Doherty
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Doherty
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-t0627-03749-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles J Duffy | 13 | son | — | Pennsylvania |
| 2 | Anna M Duffy | 11 | daughter | — | Pennsylvania |
| 3 | Patrick J Doherty | 39 | Head | Carpenter | Eire |
| 4 | Winifred Doherty | 38 | wife | — | Eire |
| 5 | John P Doherty THIS PERSON | 14 | son | — | Pennsylvania |
| 6 | Joseph Doherty | 12 | son | — | Pennsylvania |
| 7 | Winifred Doherty | 11 | daughter | — | Pennsylvania |
| 8 | Daniel Doherty | 8 | son | — | Pennsylvania |
| 9 | Edward Doherty | 6 | son | — | Pennsylvania |
| 10 | Eugene Doherty | 6 | son | — | Pennsylvania |
| 11 | Frederick Doherty | 0 | son | — | Pennsylvania |
| 12 | Michael Mcconnell | 46 | Head | Machinist | Pennsylvania |
| 13 | Ella Mcconnell | 38 | wife | — | Pennsylvania |
| 14 | Michael Jr. Mcconnell | 19 | son | Camp Cook | Pennsylvania |
| 15 | Elizabeth Mcconnell | 17 | daughter | — | Pennsylvania |
| 16 | Rosemary Mcconnell | 14 | daughter | — | Pennsylvania |
| 17 | Frank Drabinsky | 45 | Head | Janitor | Pennsylvania |
| 18 | Margaret Drabinsky | 35 | wife | — | Pennsylvania |
| 19 | Frances Drabinsky | 14 | daughter | — | Pennsylvania |
| 20 | John Baldwin | 33 | Head | Carpenter | Pennsylvania |
| 21 | Ruth Baldwin | 30 | wife | — | Pennsylvania |
| 22 | George Baldwin | 6 | son | — | Pennsylvania |
| 23 | Elizabeth A Baldwin | 3 | daughter | — | Pennsylvania |
| 24 | Charles Schaffer | 25 | lodger | Counterman | Pennsylvania |
| 25 | Eleanor Schaffer | 24 | lodger | — | California |
| 26 | Susan Schaffer | 0 | lodger | — | Pennsylvania |
| 27 | Willard E Howe | 38 | Head | Meter Reader | New York |
| 28 | Dorothy Howe | 38 | wife | — | Pennsylvania |
| 29 | John F Kelly | 51 | Head | Guide | Pennsylvania |
| 30 | Jane Kelly | 41 | wife | — | Pennsylvania |
| 31 | Robert Ab Kelly | 12 | son | — | Pennsylvania |
| 32 | John Kelly | 11 | son | — | Pennsylvania |
| 33 | Paul Kelly | 8 | son | — | Pennsylvania |
| 34 | James Kelly | 7 | son | — | Pennsylvania |
| 35 | Jane Kelly | 3 | daughter | — | Pennsylvania |
| 36 | David Kwisman | 44 | Head | Barber | Russia |
| 37 | Fannie Kwisman | 39 | wife | — | Russia |
| 38 | Abraham Kwisman | 21 | son | Dental Mechanic | Pennsylvania |
| 39 | Ruth Kwisman | 17 | daughter | — | Pennsylvania |
| 40 | Betty Kwisman | 11 | daughter | — | 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)