JD
John Dougherty — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this John Dougherty across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Catherine & Ella — first a son (b.~1918), then head of a 8-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Dougherty |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Darby Bor. |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Timekeeper |
| Industry | Private work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Timekeeper |
| Township / Ward | Darby Bor |
| Est. Birth Year | ~1918 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Dougherty | Daughter | — | 24 | ~1916 |
| Mary Dougherty | Daughter | — | 20 | ~1920 |
| Jane Dougherty | Daughter | — | 16 | ~1924 |
| Eleanor Dougherty | Daughter | — | 19 | ~1921 |
| John Dougherty | Head | — | 53 | ~1887 |
| Robert Dougherty | Son | — | 12 | ~1928 |
| John Dougherty | Son | — | 22 | ~1918 |
| Ella Dougherty | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dougherty |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
Son, age 11
Philadelphia, Pennsylvania · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Daugherty |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 22
Delaware-County, Pennsylvania · implied b. ~1918 — 8 household members
| Surname | Dougherty |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Darby Bor. |
| 1935 Residence (County) | Delaware |
| Occupation | Timekeeper |
| Industry | Private work |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1144 |
| Highest Grade | Hs 4 |
| 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 Dougherty across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Catherine Dougherty (~0.83 confidence) and mother Ella Dougherty (~0.92 confidence) and father John Daugherty (~0.92 confidence) and father John Dougherty (~0.92 confidence) and mother Lillian Daugherty (~0.92 confidence) and father John Dougherty (~0.92 confidence) and mother Agnes Dougherty (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.91
Mother
Catherine Dougherty
b. ~1869
Source father>mother
● Household
· direct · ~0.83
Mother
Ella Dougherty
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
John Daugherty
b. ~1885
Source father
● Household
· direct · ~0.92
Father
John Dougherty
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Lillian Daugherty
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
John Dougherty
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Agnes Dougherty
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Dougherty
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
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Sibling
Robert Dougherty
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Dougherty
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dougherty
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Dougherty
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Dougherty
Sibling · 1940 · age 24
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03490-00754)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ernest Leitz | 53 | Head | Baker | Germany |
| 2 | Frieda Leitz | 51 | Wife | — | Germany |
| 3 | Ernest E. Leitz | 25 | Son | — | Pennsylvania |
| 4 | Arthur F. Leitz | 24 | Son | Electric Welder | Pennsylvania |
| 5 | Roy W. Leitz | 12 | Son | — | Pennsylvania |
| 6 | George Morton | 37 | Head | Clerk | Pennsylvania |
| 7 | Edith Morton | 36 | Wife | Machine Operator | Pennsylvania |
| 8 | George Cassidy | 57 | Head | Car Inspector | Ireland |
| 9 | Mary J. Cassidy | 40 | Wife | — | Ireland |
| 10 | George Jr. Cassidy | 8 | Son | — | Pennsylvania |
| 11 | John Cassidy | 5 | Son | — | Pennsylvania |
| 12 | Catherine Lawson | 74 | Lodger | — | Pennsylvania |
| 13 | William Welch | 41 | Head | Machinist | Kansas |
| 14 | Helen Welch | 35 | Wife | — | Illinois |
| 15 | Eleanor Welch | 14 | Daughter | — | Indiana |
| 16 | Robert E. Williams | 26 | Head | — | Wales |
| 17 | Wilhelmina Williams | 64 | Wife | — | Pennsylvania |
| 18 | Edward J. Kelly | 64 | Head | Labor | Pennsylvania |
| 19 | Kathryn V. Kelly | 65 | Wife | — | Pennsylvania |
| 20 | Dorothy M. Kelly | 23 | Daughter | Stenographer | Pennsylvania |
| 21 | Kathryn G. Kelly | 20 | Daughter | Candy Wrapper | Pennsylvania |
| 22 | Helen M. Kelly | 14 | Daughter | Candy Wrapper | Pennsylvania |
| 23 | Edward J. Kelly | 17 | Son | Laborer | Pennsylvania |
| 24 | John A. Kelly | 14 | Son | — | Pennsylvania |
| 25 | Jacob Schroger | 52 | Head | Salesman | Australia |
| 26 | Jennie Schroger | 52 | Wife | — | Australia |
| 27 | Beatrice Schroger | 20 | Daughter | Dental Helper | Pennsylvania |
| 28 | Harry Copple | 50 | Head | Carpenter | Pennsylvania |
| 29 | Lola Copple | 50 | Wife | — | Delaware |
| 30 | George Mcclure | 48 | Lodger | Driver Truck | Pennsylvania |
| 31 | John Dougherty | 53 | Head | Carpenter | Ireland |
| 32 | Ella Dougherty | 57 | Wife | — | Ireland |
| 33 | Catherine Dougherty | 24 | Daughter | Clerk | Pennsylvania |
| 34 | John Jr. Dougherty THIS PERSON | 22 | Son | Timekeeper | Pennsylvania |
| 35 | Mary Dougherty | 20 | Daughter | Packer | Pennsylvania |
| 36 | Eleanor Dougherty | 19 | Daughter | — | Pennsylvania |
| 37 | Jane Dougherty | 16 | Daughter | — | Pennsylvania |
| 38 | Robert Dougherty | 12 | Son | — | Pennsylvania |
| 39 | Raymond Schmitt | 62 | Head | Draftsman | Pennsylvania |
| 40 | Constance Schmitt | 53 | Wife | — | Australia |
Related Census Records
Pedigree Summary
John + 5 siblings
Gen 1 · 6 parents
~0.92
Gen 2 · 1 grandparents
~0.83
Max depth 4 (1900–1950 window)
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)