MS
Martha Simmons — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Martha Simmons across the 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1932), then head of a 9-person household.
Age 8
b. ~1932
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Simmons |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St. James Santee twp |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | St James Santee Twp |
| Est. Birth Year | ~1932 |
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 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Oscar Simmons | Son | — | 7 | ~1933 |
| James Simmons | Head | — | 47 | ~1893 |
| Julia Simmons | Daughter | — | 18 | ~1922 |
| Arthur Simmons | Son | — | 2 | ~1938 |
| Paul Simmons | Son | — | 12 | ~1928 |
| Martha Simmons | Daughter | — | 8 | ~1932 |
| Christine Simmons | Spouse | — | 35 | ~1905 |
| James Simmons | Son | — | 11 | ~1929 |
| Maybel Simmons | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Charleston, South …
Daughter, age
Charleston, South Carolina · implied b. ~1930 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| 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 |
1940
Charleston-County, South …
Daughter, age 8
Charleston-County, South Carolina · implied b. ~1932 — 9 household members
| Surname | Simmons |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | St. James Santee twp |
| 1935 Residence (County) | Charleston |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| 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 Simmons across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Simmons
Daughter · 1940 · age 8 · b. ~1932 · South Carolina
★ You are viewing this record
Sibling
Maybel Simmons
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Simmons
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Simmons
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Simmons
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Oscar Simmons
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Simmons
Sibling · 1940 · age 12
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
1940 US Federal Census — Charleston-County, South Carolina
Open full size
1940 US Federal Census — Charleston-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03796-00310)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Andrew Seasna | 22 | Head | Laborer | South Carolina |
| 2 | Elsie Seasna | 20 | Wife | — | South Carolina |
| 3 | Josephine Seasna | 3 | daughter | — | South Carolina |
| 4 | William Washington | 21 | Head | Dairy Man | South Carolina |
| 5 | Eva Washington | 20 | wife | — | South Carolina |
| 6 | Naomi Washington | 3 | daughter | — | South Carolina |
| 7 | William F. H. Glover | 62 | Head | Agent | South Carolina |
| 8 | Katherine Glover | 57 | wife | — | South Carolina |
| 9 | James Simmons | 47 | Head | Stableman | South Carolina |
| 10 | Christine Simmons | 35 | wife | — | South Carolina |
| 11 | Julia Simmons | 18 | daughter | Kitchen Maid | South Carolina |
| 12 | Maybel Simmons | 15 | daughter | — | South Carolina |
| 13 | Paul Simmons | 12 | son | — | South Carolina |
| 14 | James Jr. Simmons | 11 | son | — | South Carolina |
| 15 | Martha Simmons THIS PERSON | 8 | daughter | — | South Carolina |
| 16 | Oscar Simmons | 7 | son | — | South Carolina |
| 17 | Arthur Simmons | 2 | son | — | South Carolina |
| 18 | Abraham Green | 57 | Head | Field Hand | South Carolina |
| 19 | Sarah Green | 37 | wife | — | South Carolina |
| 20 | Samuel Green | 18 | son | — | South Carolina |
| 21 | Dorothy Green | 8 | daughter | — | South Carolina |
| 22 | Barney Thames | 46 | Head | Proprietor | South Carolina |
| 23 | Julia Thames | 39 | wife | — | South Carolina |
| 24 | Barney Jr. Thames | 21 | son | Tester | South Carolina |
| 25 | Rufus Thames | 18 | son | Supply Clerk | South Carolina |
| 26 | Imogene Thames | 12 | daughter | — | South Carolina |
| 27 | Sopny Gibbs | 75 | Head | Caretaker | South Carolina |
| 28 | Emma Mazyck | 50 | Head | Field Hand | South Carolina |
| 29 | David Mazyck | 14 | son | — | South Carolina |
| 30 | Emma Mazyck | 10 | daughter | — | South Carolina |
| 31 | James Mazyck | 6 | son | — | South Carolina |
| 32 | Lucile Blake | 15 | niece | — | South Carolina |
| 33 | James Blake | 14 | nephew | — | South Carolina |
| 34 | Cleveland Blake | 11 | nephew | — | South Carolina |
| 35 | Betsy Mazyck | 73 | Head | — | South Carolina |
| 36 | James Mazyck | 12 | grandson | — | South Carolina |
| 37 | Herman Myers | 40 | Head | Field Hand | South Carolina |
| 38 | Susan Myers | 38 | wife | — | South Carolina |
| 39 | Helen Myers | 17 | daughter | — | South Carolina |
| 40 | Henry Myers | 13 | son | — | South Carolina |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)