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Mary Ball — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Nelson, Kentucky
Our Model Tree links this Mary Ball across the 1920 and 1930 US Censuses in Nelson, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1913), then head of a 8-person household.
Age 17
b. ~1913
Female
Daughter
Born: Kentucky
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Nelson, Kentucky |
| Surname | Ball |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial District 2 Part Of |
| Est. Birth Year | ~1913 |
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 |
|---|---|---|---|---|
| Mary Ball | Daughter | — | 17 | ~1913 |
| Hazel Ball | Daughter | — | 8 | ~1922 |
| Ray Ball | Son | — | 1 | ~1929 |
| Edgar Ball | Son | — | 11 | ~1919 |
| Eliza Ball | Son | — | 6 | ~1924 |
| Elmer Ball | Son | — | 13 | ~1917 |
| Wilmoth Ball | Son | — | 15 | ~1915 |
| Effie Ball | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Nelson, Kentucky
Other, age 6
Nelson, Kentucky · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ball |
| Given Name | Mary E. |
| Relationship to Head | Stepdaughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Nelson, Kentucky
Daughter, age 17
Nelson, Kentucky · implied b. ~1913 — 8 household members
| Surname | Ball |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read/Write | Yes |
| 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 2 US Census years (1920 and 1930) in Nelson, Kentucky, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Ball
Daughter · 1930 · age 17 · b. ~1913 · Kentucky
★ You are viewing this record
Sibling
Eliza Ball
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Ball
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Ball
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilmoth Ball
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ray Ball
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Ball
Sibling · 1930 · age 8
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 — Nelson, Kentucky
Open full size
1930 US Federal Census — Nelson, Kentucky
Page Contents
50 people indexed on this census page (ia:1930:kentuckycensus00reel772:0358)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Effie Ball | 40 | Wife | None | Kentucky |
| 2 | Mary A Ball THIS PERSON | 17 | Daughter | None | Kentucky |
| 3 | Wilmoth Ball | 15 | Son | None | Kentucky |
| 4 | Elmer C Ball | 13 | Son | None | Kentucky |
| 5 | Edgar A Jr Ball | 11 | Son | None | Kentucky |
| 6 | Hazel L Ball | 8 | Daughter | None | Kentucky |
| 7 | Eliza M Ball | 6 | Son | None | Kentucky |
| 8 | Ray L Ball | 1 | Son | None | Kentucky |
| 9 | Nick C Culver | 50 | Head | Farming | Kentucky |
| 10 | Maud Culver | 27 | Daughter | None | Kentucky |
| 11 | Lee Culver | 17 | Son | None | Kentucky |
| 12 | Jake Culver | 14 | Son | None | Kentucky |
| 13 | N C Culver | 12 | Son | None | Kentucky |
| 14 | Jack B Culver | 5 | Son | None | Kentucky |
| 15 | Frank D Ritchie | 60 | Head | Farming | Kentucky |
| 16 | Mary J Ritchie | 46 | Wife | None | Kentucky |
| 17 | Emily M Ritchie | 23 | Daughter | None | Kentucky |
| 18 | Steven T Ritchie | 22 | Son | None | Kentucky |
| 19 | Lucien M Ritchie | 21 | Son | None | Kentucky |
| 20 | John T Ritchie | 19 | Son | None | Kentucky |
| 21 | Beatrice A Ritchie | 18 | Daughter | None | Kentucky |
| 22 | Elizabeth C Ritchie | 16 | Daughter | None | Kentucky |
| 23 | Kenneth H Ritchie | 14 | Son | None | Kentucky |
| 24 | Alex B Ritchie | 54 | Head | Farming | Kentucky |
| 25 | Marie Ritchie | 46 | Wife | None | Kentucky |
| 26 | Evelyn Ritchie | 22 | Daughter | None | Kentucky |
| 27 | Edward Ritchie | 20 | Son | None | Kentucky |
| 28 | James S Ritchie | 18 | Son | None | Kentucky |
| 29 | Victorine Ritchie | 17 | Son | None | Kentucky |
| 30 | Guy S Ritchie | 12 | Son | None | Kentucky |
| 31 | George M Ritchie | 10 | Son | None | Kentucky |
| 32 | Anna C Ritchie | 8 | Daughter | None | Kentucky |
| 33 | Charles S Ritchie | 7 | Son | None | Kentucky |
| 34 | James W Clark | 43 | Head | Farming | Kentucky |
| 35 | Elizabeth J Clark | 42 | Wife | None | Kentucky |
| 36 | Louis G Jr Clark | 9 | Son | None | Kentucky |
| 37 | Martha C Clark | 7 | Daughter | None | Kentucky |
| 38 | Joseph H Clark | 4 | Son | None | Kentucky |
| 39 | Frances I Clark | 2 | Son | None | Kentucky |
| 40 | Dorothy Hagan | 38 | Head | None | Kentucky |
| 41 | Nicholas Hagan | 57 | Son | Manager | Kentucky |
| 42 | Velma Hagan | 13 | Daughter | None | Kentucky |
| 43 | Howlett Hagan | 11 | Son | None | Kentucky |
| 44 | William T Hagan | 47 | Head | Farming | Kentucky |
| 45 | Virginia Hagan | 43 | Wife | None | Kentucky |
| 46 | Margaret T Hagan | 10 | Daughter | None | Kentucky |
| 47 | Louis F Hagan | 9 | Son | None | Kentucky |
| 48 | Jim W Hagan | 7 | Son | None | Kentucky |
| 49 | Anna R Hagan | 3 | Daughter | None | Kentucky |
| 50 | Grace Hagan | 1 | Daughter | None | Kentucky |
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)