RB
Robert Ball — 1930 US Census Record
Model Tree available1930 United States Federal Census · Elkhart, Indiana
Our Model Tree links this Robert Ball across the 1910, 1920 and 1930 US Censuses in Elkhart, Indiana (XGBoost, ~Confirmed), with identified parents Ralph & Ralph — first a son (b.~1910), then head of a 5-person household.
Age 20
b. ~1910
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Elkhart, Indiana |
| Surname | Ball |
| Given Name | Robert T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | clerk |
| Industry | office railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Clerk |
| Township / Ward | Elkhart City |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edith Ball | Spouse | — | 43 | ~1887 |
| Ralph Ball | Son | — | 20 | ~1910 |
| Ralph Ball | Head | — | 47 | ~1883 |
| Robert Ball | Son | — | 20 | ~1910 |
| Carroll Ball | Son | — | 19 | ~1911 |
Census Appearances
1910
Elkhart, Indiana
Son, age 2
Elkhart, Indiana · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Elkhart, Indiana
Son, age 10
Elkhart, Indiana · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | Robert T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Elkhart, Indiana
Son, age 20
Elkhart, Indiana · implied b. ~1910 — 5 household members
| Surname | Ball |
| Given Name | Robert T |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | clerk |
| Industry | office railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ball across 3 US Census years (1910, 1920 and 1930) in Elkhart, Indiana, using XGBoost record linkage. Identified parents: father Ralph Ball (~0.92 confidence) and father Ralph Ball (~0.92 confidence) and father Ralph Ball (~0.92 confidence) and mother Edith Ball (~0.92 confidence) and mother Edith Ball (~0.92 confidence) and mother Edith Ball (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Ball
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Ralph Ball
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Ralph Ball
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Edith Ball
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Edith Ball
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Edith Ball
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Ball
Son · 1930 · age 20 · b. ~1910 · Indiana
★ You are viewing this record
Sibling
Ralph Ball
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carroll Ball
Sibling · 1930 · age 19
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 — Elkhart, Indiana
Open full size
1930 US Federal Census — Elkhart, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel584:1084)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph J Ball | 47 | Head | Foreman | Ohio |
| 2 | Edith L Ball | 43 | Wife | None | Indiana |
| 3 | Ralph M Ball | 20 | Son | Clerk | Illinois |
| 4 | Robert T Ball THIS PERSON | 20 | Son | Clerk | Illinois |
| 5 | Carroll M Ball | 19 | Son | Laborer | Indiana |
| 6 | Ralph G Plank | 52 | Head | Laborer | Indiana |
| 7 | Clara E Plank | 46 | Wife | None | Indiana |
| 8 | Samuel G Gordon | 61 | Head | Laborer | Pennsylvania |
| 9 | Susan Gordon | 60 | Wife | None | Indiana |
| 10 | Ruth B Gordon | 24 | Daughter | Saleslady | Indiana |
| 11 | Fred G Bennifer | 44 | Boarder | Motorman | Indiana |
| 12 | Ezra G Butler | 30 | Head | Cleaner | Kentucky |
| 13 | Mamie Butler | 30 | Wife | None | Kentucky |
| 14 | Ardine J Butler | 12 | Daughter | None | Indiana |
| 15 | William J Butler | 11 | Son | None | Indiana |
| 16 | Eugene Butler | 9 | Son | None | Indiana |
| 17 | Pandora Butler | 7 | Daughter | None | Indiana |
| 18 | H. Oliver Stone | 39 | Head | Tool Maker | Ohio |
| 19 | Mazie Stone | 42 | Wife | None | Indiana |
| 20 | Cedric Mac Jr Stone | 12 | Son | None | Indiana |
| 21 | Carrie M Hagan | 51 | Boarder | Saleslady | Illinois |
| 22 | Rufus C Myers | 56 | Head | Mechanic | Indiana |
| 23 | Zora E Myers | 59 | Wife | None | Indiana |
| 24 | Estella A Myers | 27 | Daughter | Cashier | Indiana |
| 25 | Blanche B Myers | 24 | Daughter | Cashier | Indiana |
| 26 | Josephine C Myers | 23 | Daughter | Cashier | Indiana |
| 27 | Edward H Hartman | 46 | Head | Foreman | Indiana |
| 28 | Maud G Hartman | 40 | Wife | None | Indiana |
| 29 | Gladys A Hartman | 21 | Daughter | None | Indiana |
| 30 | Halton R Hartman | 18 | Son | None | Indiana |
| 31 | Vera A Hartman | 14 | Daughter | None | Indiana |
| 32 | Robert E Hartman | 10 | Son | None | Indiana |
| 33 | Paul H Hartman | 9 | Son | None | Indiana |
| 34 | Milton E Mowery | 44 | Head | Foreman | Kansas |
| 35 | Edna M Mowery | 39 | Wife | None | Indiana |
| 36 | Belle Pancost | 69 | Mother-in-law | None | Texas |
| 37 | Andrew Miller | 75 | Head | None | Indiana |
| 38 | William Schuler | 42 | Head | Proprietor | Michigan |
| 39 | Mary A Schuler | 47 | Wife | None | Indiana |
| 40 | Margaret E Schuler | 15 | Daughter | None | Indiana |
| 41 | Mary E Schuler | 12 | Daughter | None | Indiana |
| 42 | William H Schuler | 8 | Son | None | Indiana |
| 43 | Edward H Riley | 37 | Head | Burnisher | Indiana |
| 44 | Harriet B Riley | 34 | Wife | None | Indiana |
| 45 | Charles E Riley | 12 | Son | None | Indiana |
| 46 | Harriet F Riley | 8 | Daughter | None | Indiana |
| 47 | Marian A Riley | 5 | Daughter | None | Indiana |
| 48 | Jack L Riley | 3 | Son | None | Indiana |
| 49 | Albert Art | 46 | Head | Tool Maker | Michigan |
| 50 | Alma Art | 45 | Wife | None | Indiana |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 6 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)