DC
Dorothy Cook — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lancaster, South Carolina
Our Model Tree links this Dorothy Cook across the 1920 and 1930 US Censuses in Lancaster, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1920), then head of a 11-person household.
Age 10
b. ~1920
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lancaster, South Carolina |
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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 | Flat Creek Township Part |
| Est. Birth Year | ~1920 |
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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Cook | Daughter | — | 10 | ~1920 |
| Mattie Cook | Spouse | — | 46 | ~1884 |
| Ralph Cook | Son | — | 16 | ~1914 |
| Crawford Cook | Son | — | 18 | ~1912 |
| Billie Cook | Daughter | — | 21 | ~1909 |
| Nancy Cook | Daughter | — | 13 | ~1917 |
| Lucille Cook | Daughter | — | 8 | ~1922 |
| J Cook | Head | — | 55 | ~1875 |
| Rebella Cook | Daughter | — | 15 | ~1915 |
| Marjorie Cook | Daughter | — | 22 | ~1908 |
| Lucille Cook | Daughter | — | 20 | ~1910 |
Census Appearances
1920
Lancaster, South …
Daughter, age
Lancaster, South Carolina · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| 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
Lancaster, South …
Daughter, age 10
Lancaster, South Carolina · implied b. ~1920 — 11 household members
| Surname | Cook |
| Given Name | Dorothy |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| 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 Dorothy Cook across 2 US Census years (1920 and 1930) in Lancaster, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Cook
Daughter · 1930 · age 10 · b. ~1920 · South Carolina
★ You are viewing this record
Sibling
Billie Cook
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Cook
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Crawford Cook
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nancy Cook
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Cook
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Cook
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Cook
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebella Cook
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 — Lancaster, South Carolina
Open full size
1930 US Federal Census — Lancaster, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2204unit:0174)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Nettie Lowry | 39 | wife | — | South Carolina |
| 2 | J. B. Bertha Marie Lowry | 20 | daughter | — | South Carolina |
| 3 | Basilee Lowry | 17 | daughter | Farm Laborer | South Carolina |
| 4 | Connie Lowry | 14 | son | — | South Carolina |
| 5 | Hampton Lowry | 12 | son | Farm Laborer | South Carolina |
| 6 | Virginia Lowry | 10 | daughter | — | South Carolina |
| 7 | Eula M. Lowry | 7 | daughter | — | South Carolina |
| 8 | Fred J. Lowry | 5 | son | — | South Carolina |
| 9 | Matilda J. Lowry | 68 | mother | — | South Carolina |
| 10 | George Blakeney | 56 | Head | Farmer | South Carolina |
| 11 | Nettie Blakeney | 41 | wife | — | South Carolina |
| 12 | Lewis J. Clyburn | 21 | Head | Farm Laborer | South Carolina |
| 13 | Nellie Clyburn | 19 | wife | — | South Carolina |
| 14 | Maline Clyburn | 2 | daughter | — | South Carolina |
| 15 | James Clyburn | 0 | son | — | South Carolina |
| 16 | Mary Backins | 54 | Head | Servant | South Carolina |
| 17 | William L. Cater | 53 | Head | Farmer | South Carolina |
| 18 | Lillie Cater | 49 | wife | — | South Carolina |
| 19 | Claude R. Cater | 18 | son | Farm Laborer | South Carolina |
| 20 | W. Elson Cater | 14 | son | Farm Laborer | South Carolina |
| 21 | Clarence Cater | 13 | son | — | South Carolina |
| 22 | Lloyd Cater | 6 | son | — | South Carolina |
| 23 | Hoyt C. Byrd | 32 | Head | Teacher | South Carolina |
| 24 | Ruth N. Byrd | 28 | wife | — | South Carolina |
| 25 | Blake W. Byrd | 6 | son | — | South Carolina |
| 26 | Jean Byrd | 4 | daughter | — | South Carolina |
| 27 | Dorothy L. Byrd | 1 | daughter | — | South Carolina |
| 28 | John T. Byrd | 53 | Head | Farmer | South Carolina |
| 29 | George G. Mcmanus | 61 | Head | Mail Carrier | South Carolina |
| 30 | Elizabeth Mcmanus | 60 | wife | — | South Carolina |
| 31 | George L. Mcmanus | 27 | son | Teacher | South Carolina |
| 32 | J. Crawford Cook | 55 | Head | Farmer | South Carolina |
| 33 | Mattie Cook | 46 | wife | — | South Carolina |
| 34 | Marjorie Cook | 22 | daughter | — | South Carolina |
| 35 | Billie Cook | 21 | daughter | — | South Carolina |
| 36 | Lucille Cook | 20 | daughter | Teacher | South Carolina |
| 37 | Crawford Cook | 18 | son | Laborer | South Carolina |
| 38 | Ralph Cook | 16 | son | Farm Laborer | South Carolina |
| 39 | Rebella Cook | 15 | daughter | — | South Carolina |
| 40 | Nancy Cook | 13 | daughter | — | South Carolina |
| 41 | Dorothy Cook THIS PERSON | 10 | daughter | — | South Carolina |
| 42 | Lucille Cook | 8 | daughter | — | South Carolina |
| 43 | Richard A. Watts | 41 | Head | Farmer | South Carolina |
| 44 | Irene A. Watts | 38 | wife | — | South Carolina |
| 45 | Jay M. Watts | 18 | son | Farm Laborer | South Carolina |
| 46 | Grace Watts | 14 | daughter | — | South Carolina |
| 47 | Ray A. Watts | 10 | son | — | South Carolina |
| 48 | Willie M. Watts | 6 | daughter | — | South Carolina |
| 49 | Ruth Watts | 3 | daughter | — | South Carolina |
| 50 | Dick L. Watts | 1 | son | — | 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)