LN
Louis Nelson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clarendon-County, South Carolina
Our Model Tree links this Louis Nelson across the 1920, 1930 and 1940 US Censuses in Clarendon-County, South Carolina (XGBoost, ~Confirmed), with identified parents James & Peter — first a son (b.~1920), then head of a 10-person household.
Age 20
b. ~1920
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clarendon-County, South Carolina |
| Surname | Nelson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Fulton Township |
| 1935 Residence (County) | Clarendon |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 50 |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farm Laborer |
| Township / Ward | Fulton Township |
| Est. Birth Year | ~1920 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louis | Age | Birth yr |
|---|---|---|---|---|
| Louis Nelson | Son | — | 20 | ~1920 |
| Herbert Nelson | Son | — | 4 | ~1936 |
| Isreal Nelson | Son | — | 17 | ~1923 |
| Harvey Nelson | Son | — | 13 | ~1927 |
| Carrie Nelson | Daughter | — | 9 | ~1931 |
| Carrie Nelson | Spouse | — | 36 | ~1904 |
| Benjamin Nelson | Son | — | 11 | ~1929 |
| James Nelson | Head | — | 47 | ~1893 |
| James Nelson | Son | — | 19 | ~1921 |
| Rosa Nelson | Daughter | — | 7 | ~1933 |
Census Appearances
1920
Clarendon, South …
Son, age 1
Clarendon, South Carolina · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lucie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 1 |
| 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
Clarendon, South …
Son, age 11
Clarendon, South Carolina · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Lucia |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Clarendon-County, South …
Son, age 20
Clarendon-County, South Carolina · implied b. ~1920 — 10 household members
| Surname | Nelson |
| Given Name | Louis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Fulton Township |
| 1935 Residence (County) | Clarendon |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 50 |
| 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 Louis Nelson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Nelson (~0.92 confidence) and father Peter Nelson (~0.92 confidence) and father Silver Nelson (~0.92 confidence) and mother Carrie Nelson (~0.92 confidence) and mother Florence Nelson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Nelson
b. ~1893
Source father
● Household
· direct · ~0.92
Father
Peter Nelson
b. ~1897
Source father
● Household
· direct · ~0.92
Father
Silver Nelson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Carrie Nelson
b. ~1904
Source mother
● Household
· direct · ~0.92
Mother
Florence Nelson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Louis Nelson
Son · 1940 · age 20 · b. ~1920 · South Carolina
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Sibling
Benjamin Nelson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Isreal Nelson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harvey Nelson
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nelson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carrie Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosa Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Nelson
Sibling · 1940 · age 4
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 — Clarendon-County, South Carolina
Open full size
1940 US Federal Census — Clarendon-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03800-00270)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ransome Mcknight | 22 | Head | Farmer | South Carolina |
| 2 | Clara Mcknight | 21 | Wife | — | South Carolina |
| 3 | Leroy Mcknight | 5 | Son | — | South Carolina |
| 4 | Doretha Mcknight | 1 | Daughter | — | South Carolina |
| 5 | Rufus Johnson | 88 | Head | — | South Carolina |
| 6 | Sophia Johnson | 76 | Wife | — | South Carolina |
| 7 | John Johnson | 55 | Head | Farmer | South Carolina |
| 8 | Eliza Johnson | 47 | Wife | — | South Carolina |
| 9 | Sara Mathis | 7 | Daughter | — | South Carolina |
| 10 | James Nelson | 47 | Head | Trestle Work | South Carolina |
| 11 | Carrie Nelson | 36 | Wife | Farmer | South Carolina |
| 12 | Louis Nelson THIS PERSON | 20 | Son | Farm Laborer | South Carolina |
| 13 | James Jr. Nelson | 19 | Son | Farm Laborer | South Carolina |
| 14 | Isreal Nelson | 17 | Son | Farm Laborer | South Carolina |
| 15 | Harvey Nelson | 13 | Son | — | South Carolina |
| 16 | Benjamin Nelson | 11 | Son | — | South Carolina |
| 17 | Carrie B. Nelson | 9 | Daughter | — | South Carolina |
| 18 | Rosa Ethel Nelson | 7 | Daughter | — | South Carolina |
| 19 | Herbert Lee Nelson | 4 | Son | — | South Carolina |
| 20 | James T. Logan | 23 | Head | Farmer | South Carolina |
| 21 | Rosanna Logan | 21 | Wife | — | South Carolina |
| 22 | Daisy Logan | 0 | Daughter | — | South Carolina |
| 23 | Standell Nelson | 32 | Head | Farmer | South Carolina |
| 24 | Mary Nelson | 30 | Wife | — | South Carolina |
| 25 | Ben Green | 53 | Head | Farmer | South Carolina |
| 26 | Mary Green | 48 | Wife | — | South Carolina |
| 27 | Jacob Jr. Riley | 30 | Head | Farmer | South Carolina |
| 28 | Deroney Riley | 29 | Wife | — | South Carolina |
| 29 | Louis Riley | 9 | Son | — | South Carolina |
| 30 | Lena Riley | 8 | Daughter | — | South Carolina |
| 31 | Richard Riley | 6 | Son | — | South Carolina |
| 32 | Joseph Riley | 4 | Son | — | South Carolina |
| 33 | George Riley | 2 | Son | — | South Carolina |
| 34 | Aaron Kingwood | 40 | Head | Farmer | South Carolina |
| 35 | Minnie Kingwood | 30 | Wife | — | South Carolina |
| 36 | Sara Green | 50 | Head | Farmer | South Carolina |
| 37 | Ballard Manning Green | 14 | Wage Hand | Farm Laborer | South Carolina |
| 38 | Christopher White | 33 | Head | Mill Hand | South Carolina |
| 39 | Rosa White | 30 | Wife | Farm Laborer | South Carolina |
| 40 | Ben White | 4 | Son | — | South Carolina |
Related Census Records
Pedigree Summary
Louis + 7 siblings
Gen 1 · 5 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)