RC
Robert Carroll — 1930 US Census Record
Model Tree available1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Robert Carroll across the 1920, 1930 and 1940 US Censuses in Marion, Indiana (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1907), then head of a 4-person household.
Age 23
b. ~1907
Male
Son
Born: Indiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1907 |
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.
4 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Anna Carroll | Other | — | 56 | ~1874 |
| John Carroll | Head | — | 64 | ~1866 |
| Robert Carroll | Son | — | 23 | ~1907 |
| Jannie Haggard | Other | — | 83 | ~1847 |
Census Appearances
1920
Marion, Indiana
Son, age 13
Marion, Indiana · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 23
Marion, Indiana · implied b. ~1907 — 4 household members
| Surname | Carroll |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Other, age 34
Marion-County, Indiana · implied b. ~1906 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Correll |
| Given Name | Robert G. |
| Relationship to Head | Single |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Bloomington |
| 1935 Residence (County) | Monroe |
| Occupation | Education Director |
| Industry | CCC Hq |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 2900 |
| Highest Grade | C-6 |
| 1935 Residence | Ind |
| 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 Robert Carroll across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Carroll (~0.92 confidence) and father John Carroll (~0.92 confidence) and mother Anna Carroll (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Carroll
b. ~1866
Source father
● Household
· direct · ~0.92
Father
John Carroll
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Anna Carroll
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Carroll
Son · 1930 · age 23 · b. ~1907 · Indiana
★ You are viewing this record
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:indianacensus00reel612rs:0539)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Hasey | 46 | Head | Conductor | Kentucky |
| 2 | Mary P Hasey | 36 | Wife-H | — | Kentucky |
| 3 | John H Moore | 57 | Head | Mill Hand | Indiana |
| 4 | Carrie Moore | 61 | Wife-H | None | Indiana |
| 5 | Albert Hefferman | 57 | Head | Painter | Kentucky |
| 6 | Emma Hefferman | 60 | Wife-H | None | Indiana |
| 7 | John Burroughs | 35 | Head | Sheet Metal Worker | Indiana |
| 8 | Goldie Burroughs | 32 | Wife-H | None | Indiana |
| 9 | Jack Burroughs | 15 | Son | None | Indiana |
| 10 | William Long | 14 | Step son | None | Indiana |
| 11 | Felix Honnefent | 40 | Head | Plumber | Germany |
| 12 | Clara Honnefent | 40 | Wife-H | None | Indiana |
| 13 | Wilmer Hardesty | 16 | Step son | None | Indiana |
| 14 | Floyd Hardesty | 14 | Step son | None | Indiana |
| 15 | Charles Hardesty | 13 | Step son | None | Indiana |
| 16 | Frank Coyle | 54 | Head | Truck Driver | Indiana |
| 17 | Clara Coyle | 51 | Wife-H | None | Indiana |
| 18 | Dorothy Coyle | 17 | Daughter | None | Indiana |
| 19 | Jean Coyle | 9 | Son | None | Indiana |
| 20 | Thomas Politz | 42 | Boarder | None | Indiana |
| 21 | John Politz | 32 | Boarder | None | Ohio |
| 22 | Lloyd C Litten | 46 | Head | Proprietor | Indiana |
| 23 | Lillian J Litten | 44 | Wife-H | None | Indiana |
| 24 | Mary L Litten | 17 | Daughter | None | Indiana |
| 25 | Lloyd W Litten | 10 | Son | None | Indiana |
| 26 | Charles E Jennings | 57 | Head | Machine Operator | Michigan |
| 27 | Ezra Jennings | 52 | Wife-H | None | Indiana |
| 28 | Lena Barker | 44 | Sister in law | Proprietor | Indiana |
| 29 | William C Sr Jester | 39 | Head | Supervisor | Indiana |
| 30 | Anna Jester | 33 | Wife-H | None | Indiana |
| 31 | Jack Jester | 11 | Son | None | Indiana |
| 32 | William Jr Jester | 7 | Son | None | Indiana |
| 33 | William King | 39 | Head | Barber | Indiana |
| 34 | Clella King | 36 | Wife-H | None | Indiana |
| 35 | Roy King | 16 | Son | None | Indiana |
| 36 | Ben King | 14 | Son | None | Indiana |
| 37 | Russel Harman | 24 | Boarder | Laborer | Indiana |
| 38 | John Carroll | 64 | Head | Stationary Engineer | Irish Free State |
| 39 | Anna Carroll | 56 | Wife-H | Solicitor | Indiana |
| 40 | Jannie Haggard | 83 | Mother in law | None | Indiana |
| 41 | Robert Carroll THIS PERSON | 23 | Son | None | Indiana |
| 42 | James Hamilton | 69 | Head | None | Indiana |
| 43 | Mary A Hamilton | 70 | Wife-H | None | Indiana |
| 44 | Agnes Hamilton | 31 | Daughter | Stenographer | Indiana |
| 45 | William E Hamilton | 29 | Son | Woodworker | Indiana |
| 46 | Thomas Barrett | 22 | Head | Dyer | Indiana |
| 47 | Audra Barrett | 22 | Wife-H | None | Indiana |
| 48 | Narasay Coffey | 58 | Head | None | Kentucky |
| 49 | Arson Coffey | 29 | Son | Laborer | Kentucky |
| 50 | Alice Coffey | 24 | Daughter | Pairer | Kentucky |
Pedigree Summary
Robert
Gen 1 · 3 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)