JD
John Dillon — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this John Dillon across the 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 8-person household.
Age 50
b. ~1880
Male
Head
Born: Indiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Dillon |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 31 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Additional Details | |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Fireman |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1880 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Dillon | Daughter | — | 16 | ~1914 |
| Helen Dillon | Daughter | — | 11 | ~1919 |
| Margaret Dillon | Daughter | — | 17 | ~1913 |
| Josephine Dillon | Daughter | — | 14 | ~1916 |
| John Dillon | Head | — | 50 | ~1880 |
| Margaret Dillon | Other | — | 45 | ~1885 |
| John Dillon | Son | — | 3 | ~1927 |
| James Dillon | Son | — | 9 | ~1921 |
Census Appearances
1920
Marion, Indiana
Head, age 40
Marion, Indiana · implied b. ~1880 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dillon |
| Given Name | John E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Industry | Fire Department |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Head, age 50
Marion, Indiana · implied b. ~1880 — 8 household members
| Surname | Dillon |
| Given Name | John J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 31 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Dillon across 2 US Census years (1920 and 1930) in Marion, Indiana, using XGBoost record linkage.
Show:
This person
Anchor record
John Dillon
Head · 1930 · age 50 · b. ~1880 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel615:1109)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J. Dillon THIS PERSON | 50 | Head | Fireman | Indiana |
| 2 | Margaret M. Dillon | 45 | Wife-H | — | Irish Free State |
| 3 | Margaret Dillon | 17 | Daughter | — | Indiana |
| 4 | Catherine Dillon | 16 | Daughter | — | Indiana |
| 5 | Josephine Dillon | 14 | Daughter | — | Indiana |
| 6 | Helen F. Dillon | 11 | Daughter | — | Indiana |
| 7 | James Dillon | 9 | Son | — | Indiana |
| 8 | John Jr. Dillon | 3 | Son | — | Indiana |
| 9 | Thomas Jones | 37 | Head | Plant Oper. | Indiana |
| 10 | Lalah S. Jones | 37 | Wife-H | — | Indiana |
| 11 | John E. Jones | 13 | Son | — | Indiana |
| 12 | Hazel V. Jones | 12 | Daughter | — | Indiana |
| 13 | Harry C. Reed | 23 | Head | Inspector | Georgia |
| 14 | Ophelia Reed | 21 | Wife-H | — | Indiana |
| 15 | Gloria J. Reed | 3 | Daughter | — | Indiana |
| 16 | Mabel Reed | 11 | Sister | — | Indiana |
| 17 | Harley Mccoy | 43 | Boarder | Welder | Indiana |
| 18 | Nellie Mccoy | 40 | Boarder | Laborer | Indiana |
| 19 | Joseph N. Goddard | 73 | Head | Carpenter | Indiana |
| 20 | Salina J. Goddard | 73 | Wife-H | — | Indiana |
| 21 | Charles Cook | 70 | Head | Watchman | Indiana |
| 22 | Ralph Brown | 52 | Head | Laborer | Indiana |
| 23 | Mary Brown | 51 | Wife-H | — | Indiana |
| 24 | Harry Brown | 24 | Daughter | — | Indiana |
| 25 | William Starling | 54 | Head | Real Estate | Wisconsin |
| 26 | Eva Starling | 54 | Wife-H | — | Indiana |
| 27 | Paul Sachter | 48 | Head | Moulder | Jugo Slavia |
| 28 | Mary Sachter | 42 | Wife-H | — | Hungary |
| 29 | Hardy Blandford | 40 | Head | Laborer | Indiana |
| 30 | Lillian Blandford | 41 | Wife-H | — | Indiana |
| 31 | Anthony Kieffer | 25 | Head | Operator | Indiana |
| 32 | Emma Kieffer | 22 | Wife-H | — | Indiana |
| 33 | Phyllis Kieffer | 2 | Daughter | — | Indiana |
| 34 | Anthony Jr. Kieffer | 0 | Son | — | Indiana |
| 35 | Otto H. Killian | 44 | Head | Salesman | Indiana |
| 36 | Rose Killian | 46 | Wife-H | — | Kentucky |
| 37 | William D. Mahoney | 33 | Head | Laborer | Indiana |
| 38 | Catherine Mahoney | 30 | Wife-H | — | Indiana |
| 39 | Melvin L. Mahoney | 9 | Son | — | Indiana |
| 40 | Kenneth Mahoney | 7 | Son | — | Indiana |
| 41 | Cleo E. Mahoney | 4 | Daughter | — | Indiana |
| 42 | Daniel W. Woodruff | 55 | O | — | Indiana |
| 43 | Emma J. Woodruff | 54 | Wife-H | — | Indiana |
| 44 | Stanley S. Woodruff | 17 | Son | Laborer | Indiana |
| 45 | John L. White | 67 | Head | Laborer | Kentucky |
| 46 | Cora B. White | 70 | Wife-H | — | Kentucky |
| 47 | William R. Shiel | 60 | Head | Steam Fitter | Iowa |
| 48 | Blanche Shiel | 50 | Wife-H | — | New Hampshire |
| 49 | Merrill D. Shiel | 21 | Son | Electrician | Illinois |
| 50 | James G. Beam | 42 | Lodger | Laborer | New Hampshire |
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)