MC
Martha Cooper — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Williamsburg, South Carolina
Our Model Tree links this Martha Cooper across the 1920 and 1930 US Censuses in Williamsburg, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1915), then head of a 7-person household.
Age 15
b. ~1915
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Williamsburg, South Carolina |
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | King Township 7 Pt |
| Est. Birth Year | ~1915 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Joe Cooper | Son | — | 18 | ~1912 |
| Mary Cooper | Daughter | — | 15 | ~1915 |
| Martha Cooper | Daughter | — | 15 | ~1915 |
| March Cooper | Head | — | 65 | ~1865 |
| Pearline Cooper | Daughter | — | 12 | ~1918 |
| Ben Cooper | Son | — | 7 | ~1923 |
| Junie Cooper | Spouse | — | 40 | ~1890 |
Census Appearances
1920
Williamsburg, South …
Daughter, age 5
Williamsburg, South Carolina · implied b. ~1915 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 5 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Williamsburg, South …
Daughter, age 15
Williamsburg, South Carolina · implied b. ~1915 — 7 household members
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| 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 Martha Cooper across 2 US Census years (1920 and 1930) in Williamsburg, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Cooper
Daughter · 1930 · age 15 · b. ~1915 · South Carolina
★ You are viewing this record
Sibling
Pearline Cooper
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Cooper
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ben Cooper
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cooper
Sibling · 1930 · age 15
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 — Williamsburg, South Carolina
Open full size
1930 US Federal Census — Williamsburg, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2215unit:0743)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Annie L Brockington | 13 | Daughter | — | South Carolina |
| 52 | Evelyn Brockington | 12 | Daughter | — | South Carolina |
| 53 | Jessie H Bradley | 39 | Head | Farmer | South Carolina |
| 54 | Sarah Bradley | 18 | Daughter | — | South Carolina |
| 55 | Isaac Bradley | 15 | Son | Labour | South Carolina |
| 56 | Jasper Bradley | 13 | Son | — | South Carolina |
| 57 | Oscar Bradley | 11 | Son | — | South Carolina |
| 58 | Blanche L Bradley | 9 | Daughter | — | South Carolina |
| 59 | Missy L Bradley | 6 | Son | — | South Carolina |
| 60 | Eli J Bradley | 4 | Son | — | South Carolina |
| 61 | Samuel D Hanna | 42 | Head | Farmer | South Carolina |
| 62 | Bertha Hanna | 36 | Wife | — | South Carolina |
| 63 | Barbry L Hanna | 16 | Daughter | — | South Carolina |
| 64 | Sarah M Hanna | 14 | Daughter | — | South Carolina |
| 65 | Joe Hanna | 12 | Son | — | South Carolina |
| 66 | Macie L Hanna | 11 | Daughter | — | South Carolina |
| 67 | Alberta Hanna | 8 | Daughter | — | South Carolina |
| 68 | Isah Hanna | 6 | Son | — | South Carolina |
| 69 | Willie M Hanna | 3 | Son | — | South Carolina |
| 70 | March Cooper | 65 | Head | Farmer | South Carolina |
| 71 | Junie Cooper | 40 | Wife | Labour | South Carolina |
| 72 | Joe Cooper | 18 | Son | Labour | South Carolina |
| 73 | Mary Cooper | 15 | Daughter | — | South Carolina |
| 74 | Martha Cooper THIS PERSON | 15 | Daughter | — | South Carolina |
| 75 | Pearline Cooper | 12 | Daughter | — | South Carolina |
| 76 | Ben Cooper | 7 | Son | — | South Carolina |
| 77 | Benjamin Cooper | 45 | Head | Farmer | South Carolina |
| 78 | Mary Cooper | 43 | Wife | Labour | South Carolina |
| 79 | George Hicks | 14 | Nephew | — | South Carolina |
| 80 | Maybell Hicks | 12 | Niece | — | South Carolina |
| 81 | Ed Cooper | 51 | Head | Farmer | South Carolina |
| 82 | Lucile Cooper | 19 | Daughter | Labour | South Carolina |
| 83 | Florie Cooper | 19 | Daughter | Labour | South Carolina |
| 84 | Elizabeth Cooper | 14 | Daughter | Labour | South Carolina |
| 85 | Lilla Barr | 47 | Head | Farmer | South Carolina |
| 86 | Isaac Barr | 17 | Nephew | Labour | South Carolina |
| 87 | Christine Barr | 6 | Niece | — | South Carolina |
| 88 | John R Fulton | 25 | Head | Farmer | South Carolina |
| 89 | Laurane M Fulton | 20 | Wife | Labour | South Carolina |
| 90 | John W Fulton | 0 | Son | — | South Carolina |
| 91 | Moses Murphy | 22 | Head | Labour | South Carolina |
| 92 | Mary Murphy | 19 | Wife | — | South Carolina |
| 93 | Beulah Murphy | 1 | Daughter | — | South Carolina |
| 94 | Henry M Wilcox | 71 | Head | Farmer | South Carolina |
| 95 | Eula E Wilcox | 55 | Wife | — | South Carolina |
| 96 | Virginia Wilcox | 20 | Daughter | — | South Carolina |
| 97 | Jeffery Brockington | 50 | Head | Preacher | South Carolina |
| 98 | Mattie Brockington | 40 | Wife | — | South Carolina |
| 99 | Louise Brockington | 15 | Daughter | — | South Carolina |
| 100 | Essie M Brockington | 14 | Daughter | — | 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)