MS
Mary Sims — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Marlboro, South Carolina
Our Model Tree links this Mary Sims across the 1920 and 1930 US Censuses in Marlboro, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1906), then head of a 9-person household.
Age 24
b. ~1906
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Marlboro, South Carolina |
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| 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 | Brightsville School District No 4 |
| Est. Birth Year | ~1906 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jesse Sims | Son | — | 16 | ~1914 |
| Idena Sims | Head | — | 60 | ~1870 |
| Louise Sims | Daughter | — | 19 | ~1911 |
| Oliver Sims | Son | — | 9 | ~1921 |
| Mary Sims | Daughter | — | 24 | ~1906 |
| Grover Sims | Son | — | 18 | ~1912 |
| Anna Sims | Daughter | — | 26 | ~1904 |
| Leroy Sims | Son | — | 11 | ~1919 |
| Lena Sims | Daughter | — | 10 | ~1920 |
Census Appearances
1920
Marlboro, South …
Daughter, age 15
Marlboro, South Carolina · implied b. ~1905 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sims |
| Given Name | Mary |
| 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 |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Marlboro, South …
Daughter, age 24
Marlboro, South Carolina · implied b. ~1906 — 9 household members
| Surname | Sims |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 24 |
| 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 Mary Sims across 2 US Census years (1920 and 1930) in Marlboro, South Carolina, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Sims
Daughter · 1930 · age 24 · b. ~1906 · South Carolina
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Sibling
Louise Sims
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oliver Sims
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grover Sims
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Sims
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Sims
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jesse Sims
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lena Sims
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 — Marlboro, South Carolina
Open full size
1930 US Federal Census — Marlboro, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2195unit:0121)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cynthia Trail | 14 | Daughter | — | South Carolina |
| 2 | Bertha Trail | 11 | Daughter | — | South Carolina |
| 3 | John H. Trail | 9 | Son | — | South Carolina |
| 4 | Anderson L. Trail | 5 | Son | — | South Carolina |
| 5 | Henrietta Trail | 3 | Daughter | — | South Carolina |
| 6 | Esther Jones | 43 | Mother | — | South Carolina |
| 7 | James Sims | 16 | Cousin | — | South Carolina |
| 8 | Milton C. Cole | 46 | Head | Farming | South Carolina |
| 9 | Dora Cole | 35 | Wife | — | South Carolina |
| 10 | Myra Cole | 15 | Daughter | — | South Carolina |
| 11 | Cecil Cole | 13 | Son | — | South Carolina |
| 12 | Ruth Cole | 12 | Daughter | — | South Carolina |
| 13 | Irene Cole | 9 | Daughter | — | South Carolina |
| 14 | Estell Cole | 8 | Daughter | — | South Carolina |
| 15 | Eugene C. Cole | 6 | Son | — | South Carolina |
| 16 | Isaac Cole | 5 | Son | — | South Carolina |
| 17 | Lucille Cole | 3 | Daughter | — | South Carolina |
| 18 | John Cole | 1 | Son | — | South Carolina |
| 19 | Hugh J. Trail | 38 | Head | Farming | South Carolina |
| 20 | Lula Trail | 31 | Wife | — | South Carolina |
| 21 | Gertrude Trail | 13 | Daughter | — | South Carolina |
| 22 | Mildred Trail | 11 | Daughter | — | South Carolina |
| 23 | Hugh J. Trail | 9 | Son | — | South Carolina |
| 24 | Alonzo Trail | 8 | Son | — | South Carolina |
| 25 | Sidney Trail | 6 | Son | — | South Carolina |
| 26 | Louise Trail | 3 | Daughter | — | South Carolina |
| 27 | Grover C. Bryant | 44 | Head | Farming | South Carolina |
| 28 | Ethel S. Bryant | 39 | Wife | — | South Carolina |
| 29 | Mary S. Bryant | 18 | Daughter | — | South Carolina |
| 30 | Douglas M. Bryant | 16 | Daughter | — | South Carolina |
| 31 | Grover C. Bryant | 14 | Son | — | South Carolina |
| 32 | Ruth Bryant | 12 | Daughter | — | South Carolina |
| 33 | Ellen Bryant | 10 | Daughter | — | South Carolina |
| 34 | Nellie J. Bryant | 8 | Daughter | — | South Carolina |
| 35 | Violet Stephens | 33 | Sister-in-law | — | South Carolina |
| 36 | James L. Mcintosh | 50 | Head | Farming | South Carolina |
| 37 | Florence M. Mcintosh | 49 | Wife | — | South Carolina |
| 38 | Lucas Mcintosh | 22 | Son | — | South Carolina |
| 39 | James L. Mcintosh | 20 | Son | Farming | South Carolina |
| 40 | Florence Mcintosh | 16 | Daughter | — | South Carolina |
| 41 | Harry Mcintosh | 13 | Son | — | South Carolina |
| 42 | Idena Sims | 60 | Head | Farming | South Carolina |
| 43 | Anna Sims | 26 | Daughter | — | South Carolina |
| 44 | Mary Sims THIS PERSON | 24 | Daughter | — | South Carolina |
| 45 | Louise Sims | 19 | Daughter | — | South Carolina |
| 46 | Grover Sims | 18 | Son | Laborer | South Carolina |
| 47 | Jesse Sims | 16 | Son | Laborer | South Carolina |
| 48 | Leroy Sims | 11 | Son | — | South Carolina |
| 49 | Lena Sims | 10 | Daughter | — | South Carolina |
| 50 | Oliver Sims | 9 | 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)