JC
John Campbell — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this John Campbell across the 1910, 1920 and 1930 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents Robert & Antonette — first a son (b.~1880), then head of a 3-person household.
Age 50
b. ~1880
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Campbell |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | France |
| Additional Details | |
| Occupation | City Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | City 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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Pearl Campbell | Daughter | — | 43 | ~1887 |
| Antoinette Campbell | Head | — | 79 | ~1851 |
| John Campbell | Son | — | 50 | ~1880 |
Census Appearances
1910
Marion, Indiana
Son, age 30
Marion, Indiana · implied b. ~1880 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | France |
| Occupation | Foreman |
| Industry | City Fire Dept |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Marion, Indiana
Son, age 40
Marion, Indiana · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | France |
| Occupation | Fireman |
| Industry | City Fire Dept. |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 50
Marion, Indiana · implied b. ~1880 — 3 household members
| Surname | Campbell |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | France |
| Occupation | City Fireman |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Campbell across 3 US Census years (1910, 1920 and 1930) in Marion, Indiana, using XGBoost record linkage. Identified parents: father Robert Campbell (~0.92 confidence) and mother Antonette Campbell (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Campbell
b. ~1843
Source father
● Household
· direct · ~0.92
Mother
Antonette Campbell
b. ~1851
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Campbell
Son · 1930 · age 50 · b. ~1880 · Indiana
★ You are viewing this record
Sibling
Pearl Campbell
Sibling · 1930 · age 43
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 — Marion, Indiana
Open full size
1930 US Federal Census — Marion, Indiana
Page Contents
43 people indexed on this census page (ia:1930:indianacensus00reel614:0406)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Antoinette Campbell | 79 | Head | — | France |
| 52 | John H. Campbell THIS PERSON | 50 | Son | City Fireman | Indiana |
| 53 | Pearl L. Campbell | 43 | Daughter | — | Indiana |
| 54 | Joseph T. Adams | 60 | Head | Laborer | Kentucky |
| 55 | Ida L. Adams | 42 | Wife | — | Kentucky |
| 56 | William Adams | 22 | Son | Truck Driver | Kentucky |
| 57 | Helen Adams | 16 | Daughter | — | Indiana |
| 58 | Raymond Adams | 14 | Son | — | Indiana |
| 59 | Ada M. Adams | 10 | Daughter | — | Indiana |
| 60 | Cora V. Barnhart | 62 | Head | — | Ohio |
| 61 | Raymond Bailey | 28 | Head | Laborer | Ohio |
| 62 | Edith M. Bailey | 23 | Wife | — | Indiana |
| 63 | Wilma A. Bailey | 4 | Daughter | — | Indiana |
| 64 | Raymond Jr. Bailey | 1 | Son | — | Indiana |
| 65 | Matthew Dietzen | 69 | Lodger | — | Germany |
| 66 | William J. Fulledge | 62 | Lodger | Laborer | Ohio |
| 67 | Charles M. Rutledge | 34 | Lodger | Laborer | West Virginia |
| 68 | Alex T. Troxell | 70 | Head | Plasterer | Indiana |
| 69 | Sarah Rinehart | 43 | Daughter | Teacher | Indiana |
| 70 | John M. Troxell | 40 | Son | Traveler | Indiana |
| 71 | George Holloway | 54 | Head | Laborer | Kansas |
| 72 | Lillian Holloway | 53 | Wife | — | Indiana |
| 73 | Minnie Holloway | 11 | Daughter | — | Texas |
| 74 | Carl Koon | 41 | Head | Assessor | Indiana |
| 75 | Charlotte Koon | 32 | Wife | — | Indiana |
| 76 | Harold Koon | 8 | Son | — | Indiana |
| 77 | Mary E. Koon | 7 | Daughter | — | Indiana |
| 78 | Richard Koon | 3 | Son | — | Indiana |
| 79 | Charlotte Koon | 1 | Daughter | — | Indiana |
| 80 | William Springer | 35 | Head | Shipping Clerk | Indiana |
| 81 | Martha Springer | 34 | Wife | — | Kentucky |
| 82 | Virginia Springer | 9 | Daughter | — | Indiana |
| 83 | William Springer | 6 | Son | — | Indiana |
| 84 | Bettie J. Springer | 4 | Daughter | — | Indiana |
| 85 | James Morris | 55 | Head | Night Watchman | England |
| 86 | Virginia Morris | 41 | Wife | — | Indiana |
| 87 | Paul Luttrell | 26 | Head | Truck Driver | Kentucky |
| 88 | Rose T. Luttrell | 26 | Wife | — | Kentucky |
| 89 | Norma Luttrell | 5 | Daughter | — | Indiana |
| 90 | Lillua Luttrell | 1 | Son | — | Indiana |
| 93 | Leslie Frederick | 24 | Head | Peddler | Indiana |
| 94 | Raymond Bradburn | 27 | Head | Stone Cutter | Indiana |
| 95 | Marion Bradburn | 25 | Wife | Laborer | Indiana |
Pedigree Summary
John + 1 sibling
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)