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Bertha Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Ross, Ohio
Our Model Tree links this Bertha Davis across the 1910, 1920 and 1930 US Censuses in Ross, Ohio (XGBoost, ~Confirmed), with identified parents Grace & Clinton — first a daughter (b.~1909), then head of a 8-person household.
Age 21
b. ~1909
Female
Daughter
Born: Ohio
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Ross, Ohio |
| Surname | Davis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Scioto Township |
| Est. Birth Year | ~1909 |
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 Bertha | Age | Birth yr |
|---|---|---|---|---|
| Opal Davis | Daughter | — | 14 | ~1916 |
| Esther Davis | Daughter | — | 4 | ~1926 |
| Agnes Davis | Daughter | — | 10 | ~1920 |
| Bertha Davis | Daughter | — | 21 | ~1909 |
| Edna Davis | Daughter | — | 6 | ~1924 |
| Clinton Davis | Head | — | 39 | ~1891 |
| Wilbur Davis | Son | — | 2 | ~1928 |
| Emma Davis | Spouse | — | 38 | ~1892 |
Census Appearances
1910
Ross, Ohio
Daughter, age 1
Ross, Ohio · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1920
Ross, Ohio
Daughter, age 10
Ross, Ohio · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Bertha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Ross, Ohio
Daughter, age 21
Ross, Ohio · implied b. ~1909 — 8 household members
| Surname | Davis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Bertha Davis across 3 US Census years (1910, 1920 and 1930) in Ross, Ohio, using XGBoost record linkage. Identified parents: mother Grace Davis (~0.92 confidence) and father Clinton Davis (~0.92 confidence) and father Clint Davis (~0.92 confidence) and father Clinton Davis (~0.92 confidence) and mother Emma Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Grace Davis
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
Clinton Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Clint Davis
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Clinton Davis
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Emma Davis
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Davis
Daughter · 1930 · age 21 · b. ~1909 · Ohio
★ You are viewing this record
Sibling
Opal Davis
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilbur Davis
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esther Davis
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Davis
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Davis
Sibling · 1930 · age 10
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 — Ross, Ohio
Open full size
1930 US Federal Census — Ross, Ohio
Page Contents
50 people indexed on this census page (ia:1930:ohiocensus00reel1865:0426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Horace Diehl | 26 | Head | Laborer | Ohio |
| 2 | Lettie Diehl | 30 | Wife | — | Ohio |
| 3 | Howard Diehl | 3 | Son | — | Ohio |
| 4 | Edward Diehl | 1 | Son | — | Ohio |
| 5 | Joseph S. Nye | 67 | Head | Farmer | Ohio |
| 6 | Della Martin | 35 | Servant | Housekeeper | Ohio |
| 7 | Arthur Payne | 47 | Head | Laborer | Ohio |
| 8 | Evelena Payne | 46 | Wife | — | Ohio |
| 9 | Kenneth Malone | 27 | Head | Laborer | Ohio |
| 10 | Margret Malone | 21 | Wife | — | Ohio |
| 11 | Ernest Mcdaniel | 59 | Head | Farmer | Ohio |
| 12 | Gertrude Mcdaniel | 54 | Wife | — | Ohio |
| 13 | Charles Wilson | 57 | Head | Farmer | Ohio |
| 14 | Clara Wilson | 57 | Wife | — | Ohio |
| 15 | Samuel Ciders | 66 | Head | Farmer | Ohio |
| 16 | Rachel Ciders | 62 | Wife | — | Ohio |
| 17 | James Ciders | 37 | Son | Laborer | Ohio |
| 18 | Albert Ciders | 31 | Son | Laborer | Ohio |
| 19 | Joseph Ciders | 30 | Son | Laborer | Ohio |
| 20 | Samuel Jr. Ciders | 25 | Son | Laborer | Ohio |
| 21 | Mitchell Hutchison | 37 | Head | Concrete Worker | Ohio |
| 22 | Mary Hutchison | 36 | Wife | — | Ohio |
| 23 | Raymond Hutchison | 14 | Son | — | Ohio |
| 24 | Charles Hutchison | 10 | Son | — | Ohio |
| 25 | Carl Hutchison | 8 | Son | — | Ohio |
| 26 | John Hutchison | 4 | Son | — | Ohio |
| 27 | Paul Mccloy | 33 | Head | Laborer | West Virginia |
| 28 | Ira Mccloy | 33 | Wife | — | Ohio |
| 29 | Alice Mccloy | 12 | Daughter | — | Ohio |
| 30 | Emmet Mccloy | 10 | Son | — | Ohio |
| 31 | Melvin Mccloy | 6 | Son | — | Ohio |
| 32 | Geraldine Mccloy | 3 | Daughter | — | Ohio |
| 33 | Paul Jr. Mccloy | 1 | Son | — | Ohio |
| 34 | John Gates | 59 | Head | Laborer | West Virginia |
| 35 | Jennie Gates | 65 | Wife | — | Ohio |
| 36 | Clinton Davis | 39 | Head | Farmer | Ohio |
| 37 | Emma Davis | 38 | Wife | — | Kentucky |
| 38 | Bertha Davis THIS PERSON | 21 | Daughter | — | Ohio |
| 39 | Opal Davis | 14 | Daughter | — | Ohio |
| 40 | Agnes Davis | 10 | Daughter | — | Ohio |
| 41 | Edna Davis | 6 | Daughter | — | Ohio |
| 42 | Esther Davis | 4 | Daughter | — | Ohio |
| 43 | Wilbur Davis | 2 | Son | — | Ohio |
| 44 | Jack Cyrus | 36 | Head | Laborer | Kentucky |
| 45 | Georgia Cyrus | 36 | Wife | — | Kentucky |
| 46 | James Cyrus | 16 | Son | — | Ohio |
| 47 | Marie Cyrus | 14 | Daughter | — | Ohio |
| 48 | Opal Cyrus | 12 | Daughter | — | Ohio |
| 49 | Ruth Cyrus | 9 | Daughter | — | Ohio |
| 50 | Paul Cyrus | 6 | Son | — | Ohio |
Pedigree Summary
Bertha + 5 siblings
Gen 1 · 5 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)