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William Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Charleston-County, South Carolina
Our Model Tree links this William Nelson across the 1920, 1930 and 1940 US Censuses in Charleston-County, South Carolina (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Charleston-County, South Carolina |
| Surname | Nelson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston |
| 1935 Residence (County) | Charleston |
| Additional Details | |
| Occupation | Laborer |
| Industry | Fertilizer Plant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Laborer |
| Est. Birth Year | ~1910 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Azalie Nelson | Daughter | — | 9 | ~1931 |
| William Nelson | Head | — | 30 | ~1910 |
| Annie Nelson | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Charleston, South …
Other, age 10
Charleston, South Carolina · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | William |
| Relationship to Head | Stepson |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Charleston, South …
Son, age 20
Charleston, South Carolina · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Laborer |
| Industry | Oyster Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Charleston-County, South …
Head, age 30
Charleston-County, South Carolina · implied b. ~1910 — 3 household members
| Surname | Nelson |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Charleston |
| 1935 Residence (County) | Charleston |
| Occupation | Laborer |
| Industry | Fertilizer Plant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 988 |
| Highest Grade | No 4 |
| 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 William Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Nelson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Nelson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Nelson
Head · 1940 · age 30 · b. ~1910 · South Carolina
★ You are viewing this record
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-t0627-03794-00562)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha Williams | 44 | Head | — | South Carolina |
| 42 | Joseph Brown | 12 | Grandson | — | South Carolina |
| 43 | Eva Brown | 10 | Granddaughter | — | South Carolina |
| 44 | William Harleston | 44 | Head | Porter | South Carolina |
| 45 | Addie Harleston | 38 | Wife | — | South Carolina |
| 46 | Annie Vanderhorst | 35 | Head | Servant | South Carolina |
| 47 | Edwina Powers | 45 | Head | Servant | South Carolina |
| 48 | Nemish Raynor | 28 | Son | — | South Carolina |
| 49 | Phillis Moultrie | 78 | Head | — | South Carolina |
| 50 | Henrietta Caldwell | 39 | Daughter | — | South Carolina |
| 51 | Christina Caldwell | 19 | Granddaughter | Servant | South Carolina |
| 52 | Julius Grant | 37 | Head | Paper Hanger | South Carolina |
| 53 | Lrean | Irean Grant | 35 | Wife | Servant | South Carolina |
| 54 | Osceola Grant | 14 | Daughter | — | South Carolina |
| 55 | Charles Grant | 12 | Son | — | South Carolina |
| 56 | Isaac Grant | 9 | Son | — | South Carolina |
| 57 | Martha Grant | 3 | Daughter | — | South Carolina |
| 58 | William Nelson THIS PERSON | 30 | Head | Laborer | South Carolina |
| 59 | Annie Nelson | 25 | Wife | — | South Carolina |
| 60 | Azalie Nelson | 9 | Daughter | — | South Carolina |
| 61 | Pressley Lemon | 24 | Head | Plumber | South Carolina |
| 62 | Estelle Lemon | 23 | Wife | — | South Carolina |
| 63 | Alvin Lemon | 1 | Son | — | South Carolina |
| 64 | Alayis | Alexis Edwards | 63 | Head | Carpenter | South Carolina |
| 65 | Nancy Edwards | 32 | Wife | — | South Carolina |
| 66 | Rebecca Jenkins | 53 | Head | Laundress | South Carolina |
| 67 | Della Williams | 33 | Daughter | Maid | South Carolina |
| 68 | Stella Williams | 13 | Granddaughter | — | South Carolina |
| 69 | Abraham Martin | 29 | Head | Huckster | South Carolina |
| 70 | Arie Mae Martin | 25 | Wife | — | South Carolina |
| 71 | Grace Martin | 4 | Daughter | — | South Carolina |
| 72 | Abraham Martin | 2 | Son | — | South Carolina |
| 73 | Samuel Martin | 1 | Son | — | South Carolina |
| 74 | Isaac Thompson | 29 | Head | Laborer | South Carolina |
| 75 | Madaline Thompson | 30 | Wife | Maid | South Carolina |
| 76 | Doris Thompson | 10 | Daughter | — | South Carolina |
| 77 | Marion Thompson | 8 | Daughter | — | South Carolina |
| 78 | Isabelle Bennett | 22 | Head | — | South Carolina |
| 79 | George Smith | 39 | Nephew | Tailor | South Carolina |
| 80 | Lilly Smith | 37 | Wife | — | South Carolina |
Pedigree Summary
William
Gen 1 · 1 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)