JD
James Dugan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 8-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Claysburg |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Occupation | Laborer |
| Industry | Brick Works |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 180 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Claysburg |
| Est. Birth Year | ~1920 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Virginia Dugan | Daughter | — | 17 | ~1923 |
| Violet Dugan | Daughter | — | 12 | ~1928 |
| James Dugan | Son | — | 20 | ~1920 |
| Pearl Dugan | Spouse | — | 41 | ~1899 |
| Carl Dugan | Son | — | 9 | ~1931 |
| Russel Dugan | Son | — | 14 | ~1926 |
| John Dugan | Head | — | 39 | ~1901 |
| Jeanette Dugan | Other | — | 16 | ~1924 |
Census Appearances
1930
Blair, Pennsylvania
Son, age 10
Blair, Pennsylvania · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| 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
Blair-County, Pennsylvania
Son, age 20
Blair-County, Pennsylvania · implied b. ~1920 — 8 household members
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Claysburg |
| 1935 Residence (County) | Blair |
| Occupation | Laborer |
| Industry | Brick Works |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 180 |
| Highest Grade | Hs 4 |
| 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 James Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Violet Dugan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Dugan
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Russel Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Dugan
Sibling · 1940 · age 17
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 — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03440-00558)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Janet Musselman | 45 | Wife | — | Pennsylvania |
| 2 | Martin J. Musselman | 25 | Son | Laborer | Pennsylvania |
| 3 | William Musselman | 17 | Son | — | Pennsylvania |
| 4 | Robert Musselman | 14 | Son | — | Pennsylvania |
| 5 | Charles Rose | 41 | Head | Foreman | Pennsylvania |
| 6 | Kathryn Rose | 43 | Wife | — | Pennsylvania |
| 7 | Joan Rose | 13 | Daughter | — | Pennsylvania |
| 8 | Thomas Rose | 10 | Son | — | Pennsylvania |
| 9 | James Shore | 50 | Head | Foreman | Pennsylvania |
| 10 | Rebecca Shore | 48 | Wife | — | Pennsylvania |
| 11 | Kenneth Shore | 16 | Son | — | Pennsylvania |
| 12 | Frederick Shore | 13 | Son | — | Pennsylvania |
| 13 | Janet Shore | 10 | Daughter | — | Pennsylvania |
| 14 | Hazel Shore | 5 | Daughter | — | Pennsylvania |
| 15 | William Pleacher | 40 | Head | Brick Inspector | Pennsylvania |
| 16 | Mary Pleacher | 39 | Wife | — | Pennsylvania |
| 17 | William J. Pleacher | 18 | Son | — | Pennsylvania |
| 18 | Doris Pleacher | 16 | Daughter | — | Pennsylvania |
| 19 | Jack Pleacher | 10 | Son | — | Pennsylvania |
| 20 | Reed Henderson | 49 | Head | Brick Layer | Pennsylvania |
| 21 | Ida Henderson | 45 | Wife | — | Pennsylvania |
| 22 | Margaret Henderson | 24 | Daughter | Clerk | Pennsylvania |
| 23 | John Henderson | 23 | Son | Brick Setter | Pennsylvania |
| 24 | William Henderson | 17 | Son | New Worker | Pennsylvania |
| 25 | Marie Henderson | 15 | Daughter | — | Pennsylvania |
| 26 | Helen Henderson | 13 | Daughter | — | Pennsylvania |
| 27 | John Dugan | 39 | Head | Laborer | Pennsylvania |
| 28 | Pearl Dugan | 41 | Wife | — | Pennsylvania |
| 29 | Russel Dugan | 14 | Son | — | Pennsylvania |
| 30 | Violet Dugan | 12 | Daughter | — | Pennsylvania |
| 31 | Carl Dugan | 9 | Son | — | Pennsylvania |
| 32 | James Dugan THIS PERSON | 20 | Son | Laborer | Pennsylvania |
| 33 | Virginia Dugan | 17 | Daughter | — | Pennsylvania |
| 34 | Jeanette Dugan | 16 | Daughter-in-law | New Worker | Pennsylvania |
| 35 | Ernest Moser | 36 | Head | Laborer | Pennsylvania |
| 36 | Mildred Moser | 28 | Wife | — | Pennsylvania |
| 37 | Thelma Moser | 4 | Daughter | — | Pennsylvania |
| 38 | Raleigh Lyborger | 34 | Head | Foreman | Pennsylvania |
| 39 | Zeda Lyborger | 36 | Wife | — | Pennsylvania |
| 40 | James Lyborger | 4 | Son | — | 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)