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James Dennis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mccormick-County, South Carolina
Our Model Tree links this James Dennis across the 1930 and 1940 US Censuses in Mccormick-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mccormick-County, South Carolina |
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Plum Branch |
| 1935 Residence (County) | McCormick |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 40 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Occupation | Laborer |
| Township / Ward | Plum Branch |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Ida Dennis | Spouse | — | 42 | ~1898 |
| Paul Dennis | Son | — | 12 | ~1928 |
| James Dennis | Son | — | 20 | ~1920 |
| Jesse Dennis | Head | — | 70 | ~1870 |
| Annie Dennis | Daughter | — | 15 | ~1925 |
| Louise Dennis | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Lincoln, Georgia
Son, age 10
Lincoln, Georgia · implied b. ~1920 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Can Read/Write | Yes |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Mccormick-County, South …
Son, age 20
Mccormick-County, South Carolina · implied b. ~1920 — 6 household members
| Surname | Dennis |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Plum Branch |
| 1935 Residence (County) | McCormick |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 40 |
| Highest Grade | No |
| 1935 Residence | Same place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 James Dennis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dennis
Son · 1940 · age 20 · b. ~1920 · South Carolina
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Sibling
Louise Dennis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annie Dennis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dennis
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 — Mccormick-County, South Carolina
Open full size
1940 US Federal Census — Mccormick-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03824-00253)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joe Guillebeaux | 26 | Head | Laborer | South Carolina |
| 42 | Ada Guillebeaux | 24 | Wife | — | South Carolina |
| 43 | Lizzie Lou Guillebeaux | 4 | Daughter | — | South Carolina |
| 44 | Margaret Guillebeaux | 2 | Daughter | — | South Carolina |
| 45 | Joe Guillebeaux | 0 | Son | — | South Carolina |
| 46 | Dania Winn | 22 | Head | Sharecropper | South Carolina |
| 47 | Sydie Winn | 17 | Wife | — | South Carolina |
| 48 | James Winn | 0 | Son | — | South Carolina |
| 49 | Alex Reddick | 49 | Head | Sharecropper | South Carolina |
| 50 | Gertrude Reddick | 24 | Wife | — | South Carolina |
| 51 | Thomas Reddick | 19 | Son | Laborer | South Carolina |
| 52 | Bennie Reddick | 17 | Son | Laborer | South Carolina |
| 53 | Robert Reddick | 12 | Son | — | South Carolina |
| 54 | Thomas 2Nd Reddick | 6 | Son | — | South Carolina |
| 55 | Lizzie Reddick | 3 | Daughter | — | South Carolina |
| 56 | Margaret Reddick | 2 | Daughter | — | South Carolina |
| 57 | Leroy Oliphant | 35 | Head | Sharecropper | South Carolina |
| 58 | Alberta Oliphant | 33 | Wife | — | South Carolina |
| 59 | Virginia Oliphant | 9 | Daughter | — | South Carolina |
| 60 | Lizzie Oliphant | 5 | Daughter | — | South Carolina |
| 61 | Frank Jr Oliphant | 2 | Son | — | South Carolina |
| 62 | Jesse Dennis | 70 | Head | Sharecropper | Georgia |
| 63 | Ida Dennis | 42 | Wife | — | Georgia |
| 64 | James Dennis THIS PERSON | 20 | Son | Laborer | Georgia |
| 65 | Annie Dennis | 15 | Daughter | — | Georgia |
| 66 | Paul Dennis | 12 | Son | — | Georgia |
| 67 | Louise Dennis | 10 | Daughter | — | Georgia |
| 68 | Willie Holmes | 26 | Head | Sharecropper | South Carolina |
| 69 | Ethel Holmes | 20 | Wife | — | South Carolina |
| 70 | Clarence Morgan | 9 | Nephew | — | South Carolina |
| 71 | Butler Oliphant | 67 | Head | Sharecropper | South Carolina |
| 72 | Josie Oliphant | 69 | Wife | — | South Carolina |
| 73 | Robert White | 19 | Son | Road Project | South Carolina |
| 74 | Jim Hill | 51 | Head | Sharecropper | South Carolina |
| 75 | Janie Hill | 42 | Wife | — | South Carolina |
| 76 | Erelena Hill | 21 | Daughter | — | South Carolina |
| 77 | Ruth Hill | 17 | Daughter | — | South Carolina |
| 78 | John Hill | 15 | Son | Laborer | South Carolina |
| 79 | James Hill | 11 | Son | — | South Carolina |
| 80 | Josianna Hill | 10 | Daughter | — | 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)