MK
Mary Knox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oconee-County, South Carolina
Our Model Tree links this Mary Knox across the 1930 and 1940 US Censuses in Oconee-County, South Carolina (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 12-person household.
Age 40
b. ~1900
Female
Spouse
Born: South Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oconee-County, South Carolina |
| Surname | Knox |
| Given Name | Mary Bell |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oconee |
| Additional Details | |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 104 |
| Highest Grade | No 7 |
| 1935 Residence | South Carolina |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Maid |
| Township / Ward | Seneca Township |
| Est. Birth Year | ~1900 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Adie Knox | Son | — | 12 | ~1928 |
| Willie Knox | Daughter | — | 19 | ~1921 |
| Thelma Knox | Daughter | — | 9 | ~1931 |
| Ike Knox | Head | — | 36 | ~1904 |
| Marshall Knox | Son | — | 4 | ~1936 |
| Glennie Knox | Daughter | — | 21 | ~1919 |
| Mary Knox | Spouse | — | 40 | ~1900 |
| Thomas Knox | Son | — | 7 | ~1933 |
| Jim Knox | Son | — | 13 | ~1927 |
| Carrie Knox | Daughter | — | 10 | ~1930 |
| E Knox | Son | — | 6 | ~1934 |
| James Knox | Son | — | 14 | ~1926 |
Census Appearances
1930
Oconee, South …
Other, age 29
Oconee, South Carolina · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knox |
| Given Name | Maggie |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | Black |
| Age | 29 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 19 |
| Father's Birthplace | Georgia |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Oconee-County, South …
Spouse, age 40
Oconee-County, South Carolina · implied b. ~1900 — 12 household members
| Surname | Knox |
| Given Name | Mary Bell |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | South Carolina |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Oconee |
| Occupation | Maid |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 104 |
| Highest Grade | No 7 |
| 1935 Residence | South Carolina |
| 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 Mary Knox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Knox
Spouse · 1940 · age 40 · b. ~1900 · 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 — Oconee-County, South Carolina
Open full size
1940 US Federal Census — Oconee-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03828-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Nelvin Wilks | 20 | — | Delivery Boy | South Carolina |
| 42 | Eleno Wilks | 14 | Daughter | — | South Carolina |
| 43 | Frances Wilks | 12 | Daughter | — | South Carolina |
| 44 | Mary Wilks | 9 | Daughter | — | South Carolina |
| 45 | Johnnie Ruth Wilks | 5 | Daughter | — | South Carolina |
| 46 | Joe D. Wilks | 3 | Son | — | South Carolina |
| 47 | Randolph Hawthorne | 68 | Head | Laborer | South Carolina |
| 48 | Matilda Hawthorne | 60 | Wife | — | South Carolina |
| 49 | John Junior Hawthorne | 20 | Son | Bell Boy | South Carolina |
| 50 | Dan Jordan | 45 | Head | Laborer | South Carolina |
| 51 | Lillie Jordan | 50 | Wife | Laundress | South Carolina |
| 52 | Pauline Jordan | 16 | Daughter | — | South Carolina |
| 53 | Cora Freeman | 50 | Head | Mid-Wife | South Carolina |
| 54 | Curtis Freeman | 15 | Nephew | — | South Carolina |
| 55 | Henry Brewer | 50 | Head | Cut Wood | South Carolina |
| 56 | Betty Brewer | 32 | Wife | Laundress | South Carolina |
| 57 | John Bell Brewer | 5 | Daughter | — | South Carolina |
| 58 | Ike Knox | 36 | Head | Farm | South Carolina |
| 59 | Mary Bell Knox THIS PERSON | 40 | Wife | Maid | South Carolina |
| 60 | Glennie Knox | 21 | Daughter | Maid | South Carolina |
| 61 | Willie Mae Knox | 19 | Daughter | — | South Carolina |
| 62 | James Knox | 14 | Son | — | South Carolina |
| 63 | Jim Knox | 13 | Son | — | South Carolina |
| 64 | Adie Knox | 12 | Son | — | South Carolina |
| 65 | Carrie Bell Knox | 10 | Daughter | — | South Carolina |
| 66 | Thelma Knox | 9 | Daughter | — | South Carolina |
| 67 | Thomas Knox | 7 | Son | — | South Carolina |
| 68 | E. H. Knox | 6 | Son | — | South Carolina |
| 69 | Marshall Knox | 4 | Son | — | South Carolina |
| 70 | Annie Holland | 70 | Head | — | South Carolina |
| 71 | Josephine Holland | 36 | Daughter | Maid | South Carolina |
| 72 | Felt Holland | 24 | Son | Laborer | South Carolina |
| 73 | James Jr. Bradley | 25 | Head | Fireman | South Carolina |
| 74 | Mary Bradley | 24 | Wife | — | South Carolina |
| 75 | Minnie L. Bradley | 5 | Daughter | — | South Carolina |
| 76 | Jeff Allen | 70 | Head | — | South Carolina |
| 77 | Marcella Allen | 54 | Wife | Maid | South Carolina |
| 78 | Allen Raines | 27 | Head | Laborer | South Carolina |
| 79 | Willie Raines | 24 | Wife | — | South Carolina |
| 80 | Gladys Raines | 5 | 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)