JD
John Dugan — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this John Dugan across the 1930 and 1940 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 13-person household.
Age 21
b. ~1909
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | Dugan |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | N. Ireland |
| Additional Details | |
| Occupation | Carder |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Carder |
| Township / Ward | Norristown Borough |
| Est. Birth Year | ~1909 |
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.
13 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Katherine Dugan | Daughter | — | 36 | ~1894 |
| James Dugan | Son | — | 23 | ~1907 |
| Edward Gribble | Other | — | 14 | ~1916 |
| John Dugan | Son | — | 21 | ~1909 |
| Susan Dugan | Spouse | — | 61 | ~1869 |
| Mary Hedger | Other | — | 10 | ~1920 |
| Elizabeth Hedger | Other | — | 3 | ~1927 |
| Mary Foster | Daughter | — | 38 | ~1892 |
| Helen Hedger | Daughter | — | 34 | ~1896 |
| Geraldine Hedger | Other | — | 8 | ~1922 |
| Eugene Hedger | Other | — | 44 | ~1886 |
| Sara Dugan | Daughter | — | 25 | ~1905 |
| James Dugan | Head | — | 60 | ~1870 |
Census Appearances
1930
Montgomery, Pennsylvania
Son, age 21
Montgomery, Pennsylvania · implied b. ~1909 — 13 household members
| Surname | Dugan |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | N. Ireland |
| Occupation | Carder |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Other, age 31
Montgomery-County, Pennsylvania · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duggan |
| Given Name | John |
| Relationship to Head | Son in law |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Norristown |
| 1935 Residence (County) | Montgomery |
| Occupation | Bench Operator |
| Industry | Seamless Tube |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1500 |
| 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 Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dugan
Son · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Helen Hedger
Sibling · 1930 · age 34
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dugan
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Dugan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Foster
Sibling · 1930 · age 38
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katherine Dugan
Sibling · 1930 · age 36
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 — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2083:1025)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Laura Z. Casey | 57 | Head | Examiner | Illinois |
| 52 | Randel B. Casey | 23 | Son | Store Keeper | Michigan |
| 53 | Janet Casey | 17 | Daughter | — | Pennsylvania |
| 54 | Frank S. Alt | 46 | Head | Laborer | Pennsylvania |
| 55 | Anna A. Alt | 47 | Wife | — | Pennsylvania |
| 56 | Leroy R. Frankenfield | 26 | Head | Laborer | Pennsylvania |
| 57 | Doris M. Frankenfield | 23 | Wife | — | Pennsylvania |
| 58 | Patrick Murray | 74 | Head | — | N. Ireland |
| 59 | Ella E. Murray | 50 | Daughter | Mender | Pennsylvania |
| 60 | Harry T. Griffith | 54 | Son In Law | Adjuster | Pennsylvania |
| 61 | Mary Griffith | 48 | Daughter | — | Pennsylvania |
| 62 | Grace T. O'Connor | 46 | Daughter | — | Pennsylvania |
| 63 | Edward J. O'Connor | 25 | Grandson | Laborer | Pennsylvania |
| 64 | Joseph G. Mckenna | 27 | Boarder | Plasterer | Pennsylvania |
| 65 | Joseph Jr. Mckenna | 3 | Boarder | — | Pennsylvania |
| 66 | Mary Mckenna | 2 | Boarder | — | Pennsylvania |
| 67 | John H. Luddy | 54 | Head | Mail Carrier | Pennsylvania |
| 68 | Sadie Luddy | 47 | Wife | — | Pennsylvania |
| 69 | Michael J. Campin | 58 | Head | Laborer | Pennsylvania |
| 70 | Elizabeth G. Campin | 50 | Wife | Nurse | Pennsylvania |
| 71 | Lillian G. Campin | 19 | Daughter | Bookkeeper | Pennsylvania |
| 72 | James Dugan | 60 | Head | Watchman | Irish Free State |
| 73 | Susan H. Dugan | 61 | Wife | — | N. Ireland |
| 74 | Katherine M. Dugan | 36 | Daughter | Inspector | Pennsylvania |
| 75 | Sara M. Dugan | 25 | Daughter | Inspector | Pennsylvania |
| 76 | James Dugan | 23 | Son | — | Pennsylvania |
| 77 | John E. Dugan THIS PERSON | 21 | Son | Carder | Pennsylvania |
| 78 | Edward J. Gribble | 14 | Grandson | — | Pennsylvania |
| 79 | Mary G. Foster | 38 | Daughter | Looper | Pennsylvania |
| 80 | Eugene A. Hedger | 44 | Son in law | Carder | Pennsylvania |
| 81 | Helen E. Hedger | 34 | Daughter | — | Pennsylvania |
| 82 | Mary T. Hedger | 10 | Granddaughter | — | Pennsylvania |
| 83 | Geraldine Hedger | 8 | Granddaughter | — | Pennsylvania |
| 84 | Elizabeth Hedger | 3 | Granddaughter | — | Pennsylvania |
| 85 | Chester Y. Barmond | 49 | Head | Stock Keeper | Pennsylvania |
| 86 | Alice E. Barmond | 48 | Wife | Manager | Pennsylvania |
| 87 | Andrew T. Heiser | 40 | Head | Engineer | Pennsylvania |
| 88 | Laura J. Heiser | 41 | Wife | — | New Jersey |
| 89 | Eskel E. Randolph | 26 | Head | Professor | Iowa |
| 90 | June M. Randolph | 29 | Wife | — | Nebraska |
| 91 | B. Richard Randolph | 0 | Son | — | Pennsylvania |
| 92 | Elmer E. Brown | 68 | Head | Grinder | Pennsylvania |
| 93 | Lillian M. Brown | 68 | Wife | — | Pennsylvania |
| 94 | Arthur J. Canfield | 64 | Head | Cobbler | Connecticut |
| 95 | Sarah A. Canfield | 65 | Wife | — | Pennsylvania |
| 96 | Arthur Jr. Canfield | 35 | Son | Shipping Clerk | Pennsylvania |
| 97 | Howard E. Griffith | 49 | Head | Plumber | Pennsylvania |
| 98 | Mary E. Griffith | 50 | Wife | — | Pennsylvania |
| 99 | Frank P. Alt | 19 | Nephew | — | Pennsylvania |
| 100 | Annie H. Rigg | 64 | Head | — | 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)