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Bertha Martin — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Kershaw, South Carolina
Our Model Tree links this Bertha Martin across the 1920 and 1930 US Censuses in Kershaw, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 10-person household.
Age 13
b. ~1917
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Kershaw, South Carolina |
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Wateree Township Part |
| Est. Birth Year | ~1917 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Hal Martin | Head | — | 45 | ~1885 |
| Ruth Martin | Daughter | — | 11 | ~1919 |
| Georgiana Martin | Daughter | — | 2 | ~1928 |
| Joe Martin | Son | — | 15 | ~1915 |
| Mendel Martin | Son | — | 8 | ~1922 |
| Cara Martin | Other | — | 45 | ~1885 |
| Jesse Martin | Son | — | 10 | ~1920 |
| Araway Martin | Daughter | — | 5 | ~1925 |
| Al Martin | Son | — | 7 | ~1923 |
| Bertha Martin | Daughter | — | 13 | ~1917 |
Census Appearances
1920
Kershaw, South …
Daughter, age 3
Kershaw, South Carolina · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Kershaw, South …
Daughter, age 13
Kershaw, South Carolina · implied b. ~1917 — 10 household members
| Surname | Martin |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Martin across 2 US Census years (1920 and 1930) in Kershaw, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Martin
Daughter · 1930 · age 13 · b. ~1917 · South Carolina
★ You are viewing this record
Sibling
Joe Martin
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Martin
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Martin
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Al Martin
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mendel Martin
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Araway Martin
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgiana Martin
Sibling · 1930 · age 2
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 — Kershaw, South Carolina
Open full size
1930 US Federal Census — Kershaw, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2202unit:0797)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Genva | 3 | Daughter | — | South Carolina |
| 52 | Dan Ricks | 55 | Head | Farmer | South Carolina |
| 53 | Annie Ricks | 51 | Wife-H | — | South Carolina |
| 54 | Eva Ricks | 20 | Daughter | Farm Labor | South Carolina |
| 55 | A B Ricks | 19 | Son | — | South Carolina |
| 56 | Nelle Ricks | 18 | Daughter | — | South Carolina |
| 57 | Carrie Bell Ricks | 17 | Adopted D | Farm Labor | South Carolina |
| 58 | John Ricks | 15 | Adopt. Son | Farm Labor | South Carolina |
| 59 | Hal Ricks | 12 | Adopt. Son | — | South Carolina |
| 60 | Sam Murphy | 45 | Head | Farmer | South Carolina |
| 61 | Rebecca Murphy | 38 | Wife-H | — | South Carolina |
| 62 | Henry Lee Murphy | 18 | Son | Farmer | South Carolina |
| 63 | Willie Murphy | 16 | Son | Farm Labor | South Carolina |
| 64 | Melvin Murphy | 14 | Son | Farm Labor | South Carolina |
| 65 | Eloise Murphy | 12 | Daughter | — | South Carolina |
| 66 | Dan Murphy | 10 | Son | — | South Carolina |
| 67 | Robert T Murphy | 8 | Son | — | South Carolina |
| 68 | Stella Murphy | 6 | Daughter | — | South Carolina |
| 69 | Margaret Ruth Murphy | 3 | Daughter | — | South Carolina |
| 70 | Charles Murphy | 0 | Son | — | South Carolina |
| 71 | Daniel W Nelson | 40 | Head | Farmer | South Carolina |
| 72 | Louie Nelson | 32 | Wife-H | — | South Carolina |
| 73 | Joe Daniel Nelson | 12 | Son | Farm Labor | South Carolina |
| 74 | John C Nelson | 10 | Son | — | South Carolina |
| 75 | David M Nelson | 8 | Son | — | South Carolina |
| 76 | James E Nelson | 6 | Son | — | South Carolina |
| 77 | John W Nelson | 38 | Head | Farmer | South Carolina |
| 78 | Harriet Nelson | 33 | Wife-H | — | South Carolina |
| 79 | Adiliah Nelson | 14 | Daughter | Farm Labor | South Carolina |
| 80 | Willie Nelson | 12 | Son | Farm Labor | South Carolina |
| 81 | Arthuria Nelson | 8 | Daughter | — | South Carolina |
| 82 | Norine Nelson | 6 | Daughter | — | South Carolina |
| 83 | Thomas Nelson | 4 | Son | — | South Carolina |
| 84 | John W Jr Nelson | 2 | Son | — | South Carolina |
| 85 | Pauline J Nelson | 1 | Daughter | — | South Carolina |
| 86 | David Nelson | 43 | Brother | Farmer | South Carolina |
| 87 | Hal Martin | 45 | Head | Farmer | South Carolina |
| 88 | Cara Martin | 45 | Wife-H | — | South Carolina |
| 89 | Joe Martin | 15 | Son | Farm Labor | South Carolina |
| 90 | Bertha Martin THIS PERSON | 13 | Daughter | — | South Carolina |
| 91 | Ruth Martin | 11 | Daughter | — | South Carolina |
| 92 | Jesse Martin | 10 | Son | — | South Carolina |
| 93 | Mendel Martin | 8 | Son | — | South Carolina |
| 94 | Al Martin | 7 | Son | — | South Carolina |
| 95 | Araway Martin | 5 | Daughter | — | South Carolina |
| 96 | Georgiana Martin | 2 | Daughter | — | South Carolina |
| 97 | John Martin | 30 | Head | Farmer | South Carolina |
| 98 | Henry Hewitt | 38 | Head | Farmer | South Carolina |
| 99 | Mary Hewitt | 29 | Wife-H | — | South Carolina |
| 100 | Lawrence Hewitt | 14 | Daughter | Farm Labor | South Carolina |
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)