MB
Mary Ball — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marion, Indiana
Our Model Tree links this Mary Ball across the 1920, 1930 and 1940 US Censuses in Marion, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 8-person household.
Age 33
b. ~1897
Female
Spouse
Born: Kentucky
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Marion, Indiana |
| Surname | Ball |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1897 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Gladys Ball | Daughter | — | 6 | ~1924 |
| Samuel Ball | Head | — | 42 | ~1888 |
| William Jones | Other | — | 65 | ~1865 |
| Winfrey Ball | Son | — | 11 | ~1919 |
| Samuel Ball | Son | — | 3 | ~1927 |
| Richard Ball | Son | — | 8 | ~1922 |
| Clifford Ball | Son | — | 10 | ~1920 |
| Mary Ball | Spouse | — | 33 | ~1897 |
Census Appearances
1920
Marion, Indiana
Spouse, age 23
Marion, Indiana · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | Mary H |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Marion, Indiana
Spouse, age 33
Marion, Indiana · implied b. ~1897 — 8 household members
| Surname | Ball |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 22 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Marion-County, Indiana
Spouse, age 45
Marion-County, Indiana · implied b. ~1895 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bill |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Income (1939) | 0 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Mary Ball across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ball
Spouse · 1930 · age 33 · b. ~1897 · 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:indianacensus00reel606:0969)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Meraleen Liggins | 9 | none | — | Indiana |
| 52 | Carl Hardiman | 19 | Boarder | Laborer | Indiana |
| 53 | Samuel G. Ball | 42 | Head | Laborer | United States |
| 54 | Mary Ball THIS PERSON | 33 | Wife | — | Kentucky |
| 55 | Winfrey Ball | 11 | Son | — | Indiana |
| 56 | Clifford Ball | 10 | Son | — | Indiana |
| 57 | Richard Ball | 8 | Son | — | Indiana |
| 58 | Gladys Ball | 6 | Daughter | — | Indiana |
| 59 | Samuel Jr. Ball | 3 | Son | — | Indiana |
| 60 | William Jones | 65 | Father-in-law | — | Kentucky |
| 61 | Lee Anderson | 29 | Head | Laborer | Tennessee |
| 62 | Thelma Anderson | 29 | Wife | — | Kentucky |
| 63 | Robert Anderson | 9 | Son | — | Tennessee |
| 64 | Mary Frances Anderson | 7 | Daughter | — | Tennessee |
| 65 | Mark Anderson | 5 | Son | — | Tennessee |
| 66 | Mattie Anderson | 3 | Daughter | — | Indiana |
| 67 | Hattie Anderson | 3 | Daughter | — | Indiana |
| 68 | Pauline Anderson | 2 | Daughter | — | Indiana |
| 69 | William Bryant | 40 | Head | Mixer Man | Kentucky |
| 70 | Georgia A. Bryant | 38 | Wife | Housework | Ohio |
| 71 | Petral Dixon | 42 | Boarder | Bartender | Tennessee |
| 72 | Greene Bowden | 29 | H | Janitress | Georgia |
| 73 | Lucille Bowden | 8 | Daughter | — | Georgia |
| 74 | Mattie M. Bowden | 4 | Daughter | — | Indiana |
| 75 | Juanita Bowden | 1 | Daughter | — | Indiana |
| 76 | Doris Stanley | 48 | Mother | Housework | Alabama |
| 77 | Joe L. Stanley | 20 | Brother | Laborer | Georgia |
| 78 | Olivia Stanley | 16 | Sister | Housework | Georgia |
| 79 | Alberta Stanley | 15 | Sister | Housework | Georgia |
| 80 | Doris M. Stanley | 9 | Sister | — | Georgia |
| 81 | Emanuel Gideon | 45 | Head | Laborer | Tennessee |
| 82 | Eva Gideon | 46 | Wife | — | Tennessee |
| 83 | Geneva Gideon | 9 | Daughter | — | Tennessee |
| 84 | Benjamin Johnson | 45 | Head | Laborer | Tennessee |
| 85 | Ada Johnson | 40 | Wife | Cleaning | Kentucky |
| 86 | William H. Griffin | 39 | Head | Porter | Indiana |
| 87 | Beulah Griffin | 35 | Wife | Cleaning | Kentucky |
| 88 | Thelma Griffin | 9 | Daughter | — | Indiana |
| 89 | Robert D. Parker | 51 | Head | Laborer | Kentucky |
| 90 | Effie L. Parker | 32 | Wife | — | Indiana |
| 91 | Harvey L. Parker | 28 | Daughter | — | Kentucky |
| 92 | Robert Jr. Parker | 21 | Son | Laborer | Indiana |
| 93 | Freshie Parker | 18 | Daughter | Childs Nurse | Indiana |
| 94 | Cliss Parker | 13 | Son | — | Indiana |
| 95 | Charles Threet | 41 | Head | Laborer | Indiana |
| 96 | Mable Threet | 37 | Wife | — | Indiana |
| 97 | Millie Threet | 15 | Daughter | — | Indiana |
| 98 | Arthur Threet | 14 | Son | — | Indiana |
| 99 | Charles Threet | 9 | Son | — | Indiana |
| 100 | Hazel L. Threet | 4 | Daughter | — | Indiana |
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)