IW
Isaac White — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Isaac White across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 14-person household.
Age 19
b. ~1921
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | White |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | 50 |
| Industry | Farm Laborer |
| Class of Worker | Farm |
| Highest Grade | No 4 |
| 1935 Residence | Same House |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | 50 |
| Township / Ward | Providence Twp |
| Est. Birth Year | ~1921 |
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.
14 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Eddie White | Son | — | 13 | ~1927 |
| Katie White | Daughter | — | 12 | ~1928 |
| Lawrence White | Son | — | 9 | ~1931 |
| Jimmy White | Son | — | 23 | ~1917 |
| Rebecca White | Daughter | — | 4 | ~1936 |
| Paul White | Son | — | 15 | ~1925 |
| Isaac White | Son | — | 19 | ~1921 |
| Joseph White | Son | — | 17 | ~1923 |
| George White | Son | — | 10 | ~1930 |
| John White | Son | — | 6 | ~1934 |
| Lucy White | Daughter | — | 21 | ~1919 |
| Lucy White | Spouse | — | 56 | ~1884 |
| Edward White | Son | — | 1 | ~1939 |
| Edward White | Head | — | 60 | ~1880 |
Census Appearances
1930
Sumter, South …
Other, age 14
Sumter, South Carolina · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Ira Lee |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| 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
Sumter-County, South …
Son, age 19
Sumter-County, South Carolina · implied b. ~1921 — 14 household members
| Surname | White |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (County) | Sumter |
| Occupation | 50 |
| Industry | Farm Laborer |
| Class of Worker | Farm |
| Highest Grade | No 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 Isaac White across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Isaac White
Son · 1940 · age 19 · b. ~1921 · South Carolina
★ You are viewing this record
Sibling
Jimmy White
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eddie White
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph White
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence White
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward White
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George White
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Katie White
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy White
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rebecca White
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul White
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John White
Sibling · 1940 · age 6
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 — Sumter-County, South Carolina
Open full size
1940 US Federal Census — Sumter-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03841-00431)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elliot Jr Bradford | 1 | Son | — | South Carolina |
| 2 | James Dease | 53 | Head | 52 | South Carolina |
| 3 | Jane Dease | 53 | Wife | — | South Carolina |
| 4 | Clifton Dease | 27 | Son | 50 | South Carolina |
| 5 | Essie Dease | 22 | Son | 50 | South Carolina |
| 6 | Lillie Dease | 20 | Daughter | — | South Carolina |
| 7 | Mary Dease | 18 | Daughter | — | South Carolina |
| 8 | Reese Dease | 15 | Son | — | South Carolina |
| 9 | Ennis Dease | 12 | Son | — | South Carolina |
| 10 | Eulema Dease | 10 | Daughter | — | South Carolina |
| 11 | Eddie Dease | 7 | Grandson | — | South Carolina |
| 12 | J. B. Dease | 4 | Grandson | — | South Carolina |
| 13 | Clarence Dease | 3 | Grandson | — | South Carolina |
| 14 | Boston Dease | 2 | Grandson | — | South Carolina |
| 15 | Marie Mickens | 57 | Head | 40 | South Carolina |
| 16 | Samuel Gardner | 24 | Head | 48 | South Carolina |
| 17 | Frances Gardner | 21 | Wife | — | South Carolina |
| 18 | Samuel Jr Gardner | 2 | Son | — | South Carolina |
| 19 | Paul Burrows | 50 | Head | 50 | South Carolina |
| 20 | Flora Burrows | 50 | Wife | 5 | South Carolina |
| 21 | Mary Ann Burrows | 70 | Mother | — | South Carolina |
| 22 | Nelson Burrows | 1 | Grandson | — | South Carolina |
| 23 | Edward White | 60 | Head | 50 | South Carolina |
| 24 | Lucy White | 56 | Wife | — | South Carolina |
| 25 | Jimmy White | 23 | Son | 50 | South Carolina |
| 26 | Lucy Jr White | 21 | Daughter | — | South Carolina |
| 27 | Isaac White THIS PERSON | 19 | Son | 50 | South Carolina |
| 28 | Joseph White | 17 | Son | 50 | South Carolina |
| 29 | Paul White | 15 | Son | 50 | South Carolina |
| 30 | Eddie White | 13 | Son | — | South Carolina |
| 31 | Katie White | 12 | Daughter | — | South Carolina |
| 32 | George White | 10 | Son | — | South Carolina |
| 33 | Lawrence White | 9 | Son | — | South Carolina |
| 34 | John White | 6 | Son | — | South Carolina |
| 35 | Rebecca White | 4 | Daughter | — | South Carolina |
| 36 | Edward Jr White | 1 | Son | — | South Carolina |
| 37 | Dorothy Crosby | 75 | Head | — | South Carolina |
| 38 | Mary Crosby | 39 | Daughter | 50 | South Carolina |
| 39 | Ezelle Crosby | 16 | Daughter | 50 | South Carolina |
| 40 | Annie Crosby | 14 | Daughter | 50 | 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)