WF
William Frederick — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chester-County, South Carolina
Our Model Tree links this William Frederick across the 1920, 1930 and 1940 US Censuses in Chester-County, South Carolina (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 17-person household.
Age 47
b. ~1893
Male
Head
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, South Carolina |
| Surname | Frederick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Baton Rouge Twp |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Farmer |
| Township / Ward | Baton Rouge Twp |
| Est. Birth Year | ~1893 |
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.
17 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Head Mothenia | Other | — | — | |
| Helen Frederick | Daughter | — | 18 | ~1922 |
| Lucile Frederick | Daughter | — | 2 | ~1938 |
| Laurie Mothenia | Daughter | — | 1 | ~1939 |
| Mayetta Frederick | Spouse | — | 29 | ~1911 |
| Rosa Frederick | Daughter | — | 9 | ~1931 |
| Magnolia Frederick | Son | — | 21 | ~1919 |
| Bertha Mothenia | Spouse | — | 23 | ~1917 |
| Pelhent Frederick | Son | — | 6 | ~1934 |
| Juvesta Frederick | Daughter | — | 16 | ~1924 |
| Hayes Frederick | Son | — | 8 | ~1932 |
| Ceaphus Frederick | Son | — | 14 | ~1926 |
| Clarence Frederick | Son | — | 7 | ~1933 |
| David Frederick | Son | — | 1 | ~1939 |
| Larie Frederick | Daughter | — | 4 | ~1936 |
| Sarah Frederick | Other | — | 76 | ~1864 |
| William Frederick | Head | — | 47 | ~1893 |
Census Appearances
1920
Chester, South …
Head, age 30
Chester, South Carolina · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 30 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
Chester, South …
Head, age 40
Chester, South Carolina · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 20 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Chester-County, South …
Head, age 47
Chester-County, South Carolina · implied b. ~1893 — 17 household members
| Surname | Frederick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 47 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | Baton Rouge Twp |
| 1935 Residence (County) | Chester |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 52 |
| Highest Grade | No 6 |
| 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 Frederick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
William Frederick
Head · 1940 · age 47 · b. ~1893 · South Carolina
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Chester-County, South Carolina
Open full size
1940 US Federal Census — Chester-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03798-00040)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Luther Jr Thompson | 2 | Son | — | South Carolina |
| 2 | William Thompson | 0 | Son | — | South Carolina |
| 3 | Blake Strong | 38 | Head | Farmer | South Carolina |
| 4 | Pauline Strong | 33 | Wife | Farmer | South Carolina |
| 5 | Frank Strong | 15 | Son | Farm Laborer | South Carolina |
| 6 | Sarah Strong | 11 | Daughter | — | South Carolina |
| 7 | Edna Strong | 9 | Daughter | — | South Carolina |
| 8 | Mary Strong | 7 | Daughter | — | South Carolina |
| 9 | Charles Strong | 4 | Son | — | South Carolina |
| 10 | Eugene Strong | 3 | Daughter | — | South Carolina |
| 11 | William Strong | 1 | Son | — | South Carolina |
| 12 | William Frederick THIS PERSON | 47 | Head | Farmer | South Carolina |
| 13 | Mayetta Frederick | 29 | Wife | — | South Carolina |
| 14 | Magnolia Frederick | 21 | Son | Laborer | South Carolina |
| 15 | Helen Frederick | 18 | Daughter | — | South Carolina |
| 16 | Juvesta Frederick | 16 | Daughter | — | South Carolina |
| 17 | Ceaphus Frederick | 14 | Son | Farm Laborer | South Carolina |
| 18 | Rosa Lee Frederick | 9 | Daughter | — | South Carolina |
| 19 | Hayes Frederick | 8 | Son | — | South Carolina |
| 20 | Clarence Frederick | 7 | Son | — | South Carolina |
| 21 | Pelhent Frederick | 6 | Son | — | South Carolina |
| 22 | Larie Frederick | 4 | Daughter | — | South Carolina |
| 23 | Lucile Frederick | 2 | Daughter | — | South Carolina |
| 24 | David Paul Frederick | 1 | Son | — | South Carolina |
| 25 | Sarah Frederick | 76 | Mother | — | South Carolina |
| 26 | Head Mothenia | None | M | Sawmill | — |
| 27 | Bertha Mothenia | 23 | Wife | — | South Carolina |
| 28 | Laurie Mothenia | 1 | Daughter | — | South Carolina |
| 29 | Lafayette Smith | 45 | Head | Farmer | South Carolina |
| 30 | Pearl Smith | 47 | Wife | Teacher | South Carolina |
| 31 | Head Pink | None | M | Farm | — |
| 32 | Mary Pink | 62 | Wife | — | South Carolina |
| 33 | Janie Pink | 22 | Daughter | Servant | South Carolina |
| 34 | Mattie May Pink | 3 | Granddaughter | — | South Carolina |
| 35 | Johnson Pink | 0 | Grandson | — | South Carolina |
| 36 | Burnis Cornwell | 55 | Head | Carpenter | South Carolina |
| 37 | Edna Cornwell | 20 | Daughter | — | South Carolina |
| 38 | John A Lipford | 68 | Head | Farmer | South Carolina |
| 39 | Maude Lipford | 57 | Wife | — | South Carolina |
| 40 | Guye Lipford | 26 | Son | Carder | 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)