MS
Mary Simmons — 1930 US Census Record
Model Tree available1930 United States Federal Census · Charleston, South Carolina
Our Model Tree links this Mary Simmons across the 1900, 1910, 1920 and 1930 US Censuses in Charleston, South Carolina (XGBoost, ~Confirmed), with identified parents Cain & John — first a daughter (b.~1888), then head of a 3-person household.
Age 42
b. ~1888
Female
Daughter
Born: South Carolina
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Charleston, South Carolina |
| Surname | Simmons |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | none |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St Paul Township |
| Est. Birth Year | ~1888 |
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.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Simmons | Daughter | — | 42 | ~1888 |
| William Simmons | Head | — | 72 | ~1858 |
| Joseph Simmons | Son | — | 38 | ~1892 |
Census Appearances
1900
Charleston, South …
Daughter, age 11
Charleston, South Carolina · implied b. ~1889 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Birth Month | July |
| Birth Year | 1889 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | At school |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1910
Charleston, South …
Daughter, age 20
Charleston, South Carolina · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Nurse |
| Industry | Private Family |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Charleston, South …
Daughter, age 29
Charleston, South Carolina · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| 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
Charleston, South …
Daughter, age 42
Charleston, South Carolina · implied b. ~1888 — 3 household members
| Surname | Simmons |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| 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 Simmons across 4 US Census years (1900, 1910, 1920 and 1930) in Charleston, South Carolina, using XGBoost record linkage. Identified parents: father Cain Simmons (~0.92 confidence) and father John Simmons (~0.92 confidence) and mother Becky Simmons (~0.92 confidence) and mother Philis Simmons (~0.92 confidence) and father William Simmons (~0.92 confidence) and mother Julia Simmons (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cain Simmons
b. ~1834
Source father
● Household
· direct · ~0.92
Father
John Simmons
b. ~1847
Source father
● Household
· direct · ~0.92
Mother
Becky Simmons
b. ~1850
Source mother
● Household
· direct · ~0.92
Mother
Philis Simmons
b. ~1855
Source mother
● Household
· direct · ~0.92
Father
William Simmons
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Julia Simmons
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Simmons
Daughter · 1930 · age 42 · b. ~1888 · South Carolina
★ You are viewing this record
Sibling
Joseph Simmons
Sibling · 1930 · age 38
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 — Charleston, South Carolina
Open full size
1930 US Federal Census — Charleston, South Carolina
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2190unit:1083)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Scipio Grant | 33 | Head | Laborer | South Carolina |
| 2 | Clara Grant | 27 | Wife | Farm Laborer | South Carolina |
| 3 | Scipio Grant | 4 | Son | None | South Carolina |
| 4 | Ada Grant | 4 | Daughter | None | South Carolina |
| 5 | Mabell Grant | 3 | Daughter | None | South Carolina |
| 6 | Junior Grant | 1 | Son | None | South Carolina |
| 7 | James Robert | 34 | Head | Farm Operator | South Carolina |
| 8 | Lucy Robert | 27 | Wife | Farm Laborer | South Carolina |
| 9 | Mary Robert | 20 | Daughter | Farm Laborer | South Carolina |
| 10 | Joe Garret | 70 | Head | Farmer | South Carolina |
| 11 | Sarah Garret | 63 | Wife | Farm Laborer | South Carolina |
| 12 | Dunkin Garret | 16 | Grandson | Farm Laborer | South Carolina |
| 13 | William Simmons | 72 | Head | Fisherman | South Carolina |
| 14 | Mary A. Simmons THIS PERSON | 42 | Daughter | None | South Carolina |
| 15 | Joseph Simmons | 38 | Son | None | South Carolina |
| 16 | William Wright | 58 | Head | Farm Laborer | South Carolina |
| 17 | Phoebe Wright | 47 | Wife | Farm Laborer | South Carolina |
| 18 | William Wright | 10 | Grandson | None | South Carolina |
| 19 | Lydia Green | 62 | Head | Laborer | South Carolina |
| 20 | Elizabeth Green | 23 | Daughter | Laborer | South Carolina |
| 21 | Hessy Green | 16 | Daughter | Farm Laborer | South Carolina |
| 22 | Lottie Green | 14 | Daughter | None | South Carolina |
| 23 | Martha Green | 10 | Daughter | None | South Carolina |
| 24 | Sarah Wright | 65 | Head | Farm Laborer | South Carolina |
| 25 | Steplight Wright | 13 | Grandson | None | South Carolina |
| 26 | Elroza Wright | 12 | Granddaughter | None | South Carolina |
| 27 | Arthur Gregory | 30 | Head | Laborer | South Carolina |
| 28 | Annie Gregory | 26 | Wife | Farm Laborer | South Carolina |
| 29 | Thomas Gregory | 10 | Son | None | South Carolina |
| 30 | Julia Gregory | 8 | Daughter | None | South Carolina |
| 31 | William Gregory | 5 | Son | None | South Carolina |
| 32 | Dorothy Gregory | 3 | Daughter | None | South Carolina |
| 33 | Francesca Gregory | 1 | Daughter | None | South Carolina |
| 34 | Ada Gregory | 0 | Daughter | None | South Carolina |
| 35 | Margaret Rivers | 65 | Head | Farm Laborer | South Carolina |
| 36 | Lillian Rivers | 13 | Daughter | Farm Laborer | South Carolina |
| 37 | Frank Rivers | 11 | Son | None | South Carolina |
| 38 | Margaret Rivers | 1 | Gr-daughter | None | South Carolina |
| 39 | Sarah Cohen | 38 | Head | Servant | South Carolina |
| 40 | Stanley Simmons | 45 | Head | Laborer | South Carolina |
| 41 | Lily Simmons | 41 | Wife | Laundress | South Carolina |
| 42 | Victoria Murray | 18 | Step-daughter | Laundress | South Carolina |
| 43 | Lily Murray | 14 | Step-daughter | None | South Carolina |
| 44 | Everline Murray | 12 | Step-daughter | None | South Carolina |
| 45 | Jerry Chisolm | 27 | Head | Farm Laborer | South Carolina |
| 46 | Rebecca Chisolm | 29 | Wife | Farm Laborer | South Carolina |
| 47 | Chris Townsend | 43 | Head | Farm Laborer | South Carolina |
| 48 | Rachel Townsend | 38 | Wife | Farm Laborer | South Carolina |
| 49 | Dianna Townsend | 16 | Daughter | Cook | South Carolina |
| 50 | Chris Townsend | 15 | Son | Farm Laborer | South Carolina |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 6 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)