RS
Robert Simmons — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Robert Simmons across the 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed), with identified parents Willie & Eryein — first a son (b.~1919), then head of a 11-person household.
Age 21
b. ~1919
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Simmons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Christ Church Parish |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 80 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Township / Ward | Christ Church Parish |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Anabelle Simmons | Daughter | — | 17 | ~1923 |
| Sophie Simmons | Daughter | — | 19 | ~1921 |
| Virginia Simmons | Daughter | — | 13 | ~1927 |
| Helen Simmons | Daughter | — | 11 | ~1929 |
| Edna Simmons | Daughter | — | 9 | ~1931 |
| Henrietta Simmons | Daughter | — | 8 | ~1932 |
| Lilian Simmons | Daughter | — | 15 | ~1925 |
| William Simmons | Head | — | 36 | ~1904 |
| Henry Richardson | Other | — | 23 | ~1917 |
| Robert Simmons | Son | — | 21 | ~1919 |
| Hattie Simmons | Spouse | — | 33 | ~1907 |
Census Appearances
1920
Charleston, South …
Other, age 2
Charleston, South Carolina · implied b. ~1918 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmons |
| Given Name | Robert |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| 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
Charleston, South …
Son, age 12
Charleston, South Carolina · implied b. ~1918 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| 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 |
1940
Charleston-County, South …
Son, age 21
Charleston-County, South Carolina · implied b. ~1919 — 11 household members
| Surname | Simmons |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Christ Church Parish |
| 1935 Residence (County) | Charleston |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 80 |
| Highest Grade | No 5 |
| 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 Robert Simmons across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Willie Simons (~0.92 confidence) and mother Eryein Simons (~0.92 confidence) and father William Simmons (~0.92 confidence) and mother Hattie Simmons (~0.60 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Willie Simons
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Eryein Simons
b. ~1895
Source mother
● Household
· direct · ~0.92
Father
William Simmons
b. ~1904
Source father
● Household
· direct · ~0.92
Mother
Hattie Simmons
b. ~1907
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Robert Simmons
Son · 1940 · age 21 · b. ~1919 · South Carolina
★ You are viewing this record
Sibling
Lilian Simmons
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna Simmons
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henrietta Simmons
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sophie Simmons
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Simmons
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anabelle Simmons
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Simmons
Sibling · 1940 · age 11
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-t0627-03795-00104)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Williemina Wingfall | 15 | Daughter | New Worker | South Carolina |
| 2 | Elen Wingfall | 8 | Son | — | South Carolina |
| 3 | James Wingfall | 7 | Son | — | South Carolina |
| 4 | Robert Mazyck | 34 | Head | Laborer | South Carolina |
| 5 | Geneva Mazyck | 26 | Wife | Flower Seller | South Carolina |
| 6 | John Mazyck | 12 | Son | — | South Carolina |
| 7 | Jane Mazyck | 10 | Daughter | — | South Carolina |
| 8 | Lester Mazyck | 9 | Son | — | South Carolina |
| 9 | Virginia Mazyck | 7 | Daughter | — | South Carolina |
| 10 | Joseph Mazyck | 5 | Son | — | South Carolina |
| 11 | William Simmons | 36 | Head | Laborer | South Carolina |
| 12 | Hattie Simmons | 33 | Wife | — | South Carolina |
| 13 | Robert Simmons THIS PERSON | 21 | Son | Laborer | South Carolina |
| 14 | Anabelle Simmons | 17 | Daughter | Servant | South Carolina |
| 15 | Lilian Simmons | 15 | Daughter | New Worker | South Carolina |
| 16 | Virginia Simmons | 13 | Daughter | — | South Carolina |
| 17 | Helen Simmons | 11 | Daughter | — | South Carolina |
| 18 | Edna Simmons | 9 | Daughter | — | South Carolina |
| 19 | Henrietta Simmons | 8 | Daughter | — | South Carolina |
| 20 | Sophie Simmons | 19 | Daughter | Servant | South Carolina |
| 21 | Henry Richardson | 23 | Step son | Laborer | South Carolina |
| 22 | Marie Peace | 43 | Head | Servant | South Carolina |
| 23 | Estell Cummings | 19 | Niece | Servant | South Carolina |
| 24 | Patricia Johnson | 13 | Niece | — | South Carolina |
| 25 | Ethel Johnson | 10 | Niece | — | South Carolina |
| 26 | Ella Wright | 64 | Head | Farmer | South Carolina |
| 27 | Natalie Wright | 24 | Daughter | Laborer | South Carolina |
| 28 | Henry Balum | 51 | Head | Huckster | South Carolina |
| 29 | Harriet Balum | 51 | Wife | — | South Carolina |
| 30 | Estell Balum | 10 | Daughter | — | South Carolina |
| 31 | Florence Jefferson | 3 | Granddaughter | — | South Carolina |
| 32 | Henry Jr. Balum | 27 | Head | Laborer | South Carolina |
| 33 | Williemina Balum | 24 | Wife | — | South Carolina |
| 34 | Junior Balum | 6 | Son | — | South Carolina |
| 35 | William Balum | 4 | Son | — | South Carolina |
| 36 | Harriet Balum | 1 | Daughter | — | South Carolina |
| 37 | Henry H. Brown | 33 | Head | — | South Carolina |
| 38 | Anna Brown | 36 | Wife | — | South Carolina |
| 39 | George Brown | 18 | Son | Laborer | South Carolina |
| 40 | Frances Brown | 14 | Daughter | — | South Carolina |
Pedigree Summary
Robert + 7 siblings
Gen 1 · 4 parents
~0.84
Max depth 4 (1900–1950 window)
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)