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James Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this James Dugan across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mckees Rocks Borough |
| Est. Birth Year | ~1915 |
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 1930 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Dugan | Daughter | — | 8 | ~1922 |
| Bernadette Dugan | Daughter | — | 3 | ~1927 |
| Catherine Dubois | Other | — | 36 | ~1894 |
| James Dugan | Head | — | 44 | ~1886 |
| Margaret Dugan | Spouse | — | 37 | ~1893 |
| James Dugan | Son | — | 15 | ~1915 |
| William Dugan | Son | — | 13 | ~1917 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 5
Allegheny, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dugon |
| Given Name | James H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Dugan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Mother Tongue | English |
| 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 (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1930 · age 15 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Dugan
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadette Dugan
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dugan
Sibling · 1930 · age 13
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
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1966:0313)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Schragal | 40 | Head | Laborer | Austria |
| 2 | Lena Schragal | 21 | Wife | — | Austria |
| 3 | Edward T Smith | 36 | Head | Mechanical Draftsman | Pennsylvania |
| 4 | Anna Smith | 30 | Wife | — | Pennsylvania |
| 5 | Edward T Smith | 5 | Son | — | Pennsylvania |
| 6 | Bernadette Smith | 4 | Daughter | — | Pennsylvania |
| 7 | Frederick H Smith | 20 | Head | — | Pennsylvania |
| 8 | Eugenie Smith | 21 | Wife | — | France |
| 9 | Henry Smith | 0 | Son | — | Pennsylvania |
| 10 | Joseph Strini | 46 | Head | Baker | Austria |
| 11 | Mary Strini | 46 | Wife | Storekeeper | Austria |
| 12 | Joseph Strini | 22 | Son | — | Pennsylvania |
| 13 | Leo Strini | 16 | Son | — | Pennsylvania |
| 14 | John C Dubois | 47 | Head | Painter | France |
| 15 | Anna Dubois | 47 | Wife | — | Pennsylvania |
| 16 | Charles Anderson | 15 | Boarder | — | Pennsylvania |
| 17 | Mary Dubois | 63 | Head | — | Germany |
| 18 | Andrew Dendra | 30 | Head | Painter | Austria |
| 19 | Anna Dendra | 32 | Wife | — | Austria |
| 20 | Anna Dendra | 23 | Daughter | Saleswoman | New York |
| 21 | Helen Dendra | 19 | Daughter | Operator | New York |
| 22 | Margaret Dendra | 16 | Daughter | — | New York |
| 23 | Joseph Dendra | 11 | Son | — | Pennsylvania |
| 24 | Margaret Weller | 53 | Head | — | Germany |
| 25 | Marie Weller | 30 | Daughter | Saleslady | Pennsylvania |
| 26 | Martin Weller | 22 | Son | Draftsman | Pennsylvania |
| 27 | Elizabeth Weller | 19 | Daughter | Bookkeeper | Pennsylvania |
| 28 | Margaret Weller | 15 | Daughter | — | Pennsylvania |
| 29 | Victoria Fischer | 63 | Head | — | Germany |
| 30 | Charles Fischer | 31 | Son | Dispatcher | Pennsylvania |
| 31 | Kathryn Grail | 35 | Daughter | — | Pennsylvania |
| 32 | Thomas Grail | 37 | Son-in-law | Brakeman | Pennsylvania |
| 33 | James W Dugan | 44 | Head | Brakeman | Pennsylvania |
| 34 | Margaret Dugan | 37 | Wife | — | Pennsylvania |
| 35 | James Dugan THIS PERSON | 15 | Son | — | Pennsylvania |
| 36 | William Dugan | 13 | Son | — | Pennsylvania |
| 37 | Elizabeth Dugan | 8 | Daughter | — | Pennsylvania |
| 38 | Bernadette Dugan | 3 | Daughter | — | Pennsylvania |
| 39 | Catherine Dubois | 36 | Sister-in-law | — | Pennsylvania |
| 40 | John Sunderland | 39 | Head | Salesman | Pennsylvania |
| 41 | Victoria Sunderland | 31 | Wife | — | Pennsylvania |
| 42 | Beulah Sunderland | 13 | Daughter | — | Pennsylvania |
| 43 | Mildred Sunderland | 12 | Daughter | — | Pennsylvania |
| 44 | Helen Sunderland | 10 | Daughter | — | Pennsylvania |
| 45 | Charles Sunderland | 7 | Son | — | Pennsylvania |
| 46 | John Sunderland | 5 | Son | — | Pennsylvania |
| 47 | Elizabeth Schramm | 49 | Head | — | Pennsylvania |
| 48 | Freda Schramm | 23 | Daughter | Saleslady | Pennsylvania |
| 49 | Mary Schramm | 21 | Daughter | Stenographer | Pennsylvania |
| 50 | William Schramm | 18 | Son | Clerk | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)