RN
Robert Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this Robert Nelson across the 1910, 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed), with identified parents Robert & Isabell — first a son (b.~1901), then head of a 8-person household.
Age 39
b. ~1901
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Nelson |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Clerk |
| Industry | Power Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1860 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Clerk |
| Township / Ward | Charleston City |
| Est. Birth Year | ~1901 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Mable Nelson | Daughter | — | 27 | ~1913 |
| Andrew Nelson | Head | — | 64 | ~1876 |
| Beatrice Nelson | Other | — | 10 | ~1930 |
| Annie Carroll | Other | — | 25 | ~1915 |
| Martha Nelson | Other | — | 5 | ~1935 |
| Andrew Nelson | Son | — | 25 | ~1915 |
| Robert Nelson | Son | — | 39 | ~1901 |
| Bertha Nelson | Spouse | — | 58 | ~1882 |
Census Appearances
1910
Charleston, South …
Other, age 6
Charleston, South Carolina · implied b. ~1904 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Ruby |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Helper |
| Industry | Own farm |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
Charleston, South …
Son, age 16
Charleston, South Carolina · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Son, age 27
Charleston, South Carolina · implied b. ~1903 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Robert Andrew |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 25 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Bookkeeper |
| Industry | Steamship Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Son, age 39
Charleston-County, South Carolina · implied b. ~1901 — 8 household members
| Surname | Nelson |
| Given Name | Robert A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston City |
| 1935 Residence (County) | Charleston |
| Occupation | Clerk |
| Industry | Power Company |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1860 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| 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 Nelson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Nelson (~0.92 confidence) and mother Isabell Nelson (~0.92 confidence) and father Andrew Nelson (~0.92 confidence) and mother Bertha Nelson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Nelson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Isabell Nelson
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Andrew Nelson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Bertha Nelson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Nelson
Son · 1940 · age 39 · b. ~1901 · South Carolina
★ You are viewing this record
Sibling
Mable Nelson
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andrew Nelson
Sibling · 1940 · age 25
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-t0627-03794-00183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Juanita Summers | 15 | Daughter | — | South Carolina |
| 42 | Roscoe Summers | 22 | Head | Carpenter | South Carolina |
| 43 | Beverly Summers | 18 | Wife | — | South Carolina |
| 44 | Michael F. Hartnett | 62 | Head | — | South Carolina |
| 45 | Christopher C. Hartnett | 32 | Head | Flagman | South Carolina |
| 46 | Corrine Hartnett | 29 | Wife | — | South Carolina |
| 47 | Son Christopher Jr. | None | M | Navy Yard | — |
| 48 | Daughter Agnes | None | F | — | — |
| 49 | Son Lawrence | None | M | Retail Shoe Store | — |
| 50 | Son Joseph A. | None | M | U.S. Post Office | — |
| 51 | Daughter-In-Law Maude | None | F | — | — |
| 52 | Son Joseph A. Jr. | None | M | — | — |
| 53 | Andrew P. Nelson | 64 | Head | County Clerk Of Police | South Carolina |
| 54 | Bertha L. Nelson | 58 | Wife | — | South Carolina |
| 55 | Robert A. Nelson THIS PERSON | 39 | Son | Clerk | South Carolina |
| 56 | Mable J. Nelson | 27 | Daughter | — | South Carolina |
| 57 | Andrew R. Nelson | 25 | Son | — | South Carolina |
| 58 | Beatrice Louise Nelson | 10 | Granddaughter | — | South Carolina |
| 59 | Martha Lola Nelson | 5 | Granddaughter | — | South Carolina |
| 60 | Annie Mae Carroll | 25 | Lodger | Clerk | South Carolina |
| 61 | Cordie W. Turbiville | 23 | Head | Utility Man | South Carolina |
| 62 | Ruth Turbiville | 18 | Wife | — | South Carolina |
| 63 | Annie Turbiville | 58 | Mother | — | South Carolina |
| 64 | Isadore A. Rudich | 52 | Head | Proprietor | Austria |
| 65 | Yetta Rudich | 44 | Wife | — | Austria |
| 66 | Leo Rudich | 26 | Son | Truck Driver | South Carolina |
| 67 | Mitchell Rudich | 21 | Son | Truck Driver | South Carolina |
| 68 | Pauline Rudich | 18 | Daughter | Clerk | South Carolina |
| 69 | Sollie Rudich | 14 | Son | — | South Carolina |
| 70 | Bernie Rudich | 13 | Son | — | South Carolina |
| 71 | James W. Driggers | 34 | Head | Proprietor | South Carolina |
| 72 | Hazel Driggers | 38 | Wife | — | South Carolina |
| 73 | Helen Driggers | 17 | Daughter | — | South Carolina |
| 74 | Joseph Driggers | 9 | Son | — | South Carolina |
| 75 | Irene Driggers | 7 | Son | — | South Carolina |
| 76 | Lillie M. Rickenbaker | 64 | Step-Mother | Laundress | South Carolina |
| 77 | L. Daniel Barrineau | 28 | Head | Truck Driver | South Carolina |
| 78 | Marie Barrineau | 27 | Wife | — | South Carolina |
| 79 | John Barrineau | 4 | Son | — | South Carolina |
| 80 | Clarence Barrineau | 5 | Son | — | South Carolina |
Pedigree Summary
Robert + 2 siblings
Gen 1 · 4 parents
~0.92
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)