MK
Mary Knight — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dorchester-County, South Carolina
Our Model Tree links this Mary Knight across the 1930 and 1940 US Censuses in Dorchester-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, South Carolina |
| Surname | Knight |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Harleyville town |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Harleyville Town |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Virginia Knight | Daughter | — | 1 | ~1939 |
| Catherine Knight | Daughter | — | 3 | ~1937 |
| Mary Knight | Daughter | — | 18 | ~1922 |
| Thelma Knight | Daughter | — | 10 | ~1930 |
| Frances Knight | Daughter | — | 7 | ~1933 |
| Arlee Knight | Head | — | 41 | ~1899 |
| William Knight | Son | — | 14 | ~1926 |
| Wallace Knight | Son | — | 12 | ~1928 |
| Jerome Knight | Son | — | 5 | ~1935 |
| James Knight | Son | — | 16 | ~1924 |
| Maude Knight | Spouse | — | 37 | ~1903 |
Census Appearances
1930
Dorchester, South …
Daughter, age 8
Dorchester, South Carolina · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Knight |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| 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 |
1940
Dorchester-County, South …
Daughter, age 18
Dorchester-County, South Carolina · implied b. ~1922 — 11 household members
| Surname | Knight |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Harleyville town |
| 1935 Residence (County) | Dorchester |
| Highest Grade | Hs 4 |
| 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 Mary Knight across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Knight
Daughter · 1940 · age 18 · b. ~1922 · South Carolina
★ You are viewing this record
Sibling
Frances Knight
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Knight
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Knight
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Knight
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Knight
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerome Knight
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Knight
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Knight
Sibling · 1940 · age 3
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 — Dorchester-County, South Carolina
Open full size
1940 US Federal Census — Dorchester-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03805-00072)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | J. P. Knight | 42 | Head | Farmer | South Carolina |
| 2 | Ethel D. Knight | 39 | Wife | — | South Carolina |
| 3 | George W. (Ab) Knight | 19 | Son | — | South Carolina |
| 4 | Linard Knight | 17 | Son | — | South Carolina |
| 5 | Ernestine Knight | 15 | Daughter | — | South Carolina |
| 6 | Bessie B. Ellergeth | 48 | Head | — | South Carolina |
| 7 | Joe Ellergeth | 19 | Son | Salesman | South Carolina |
| 8 | Harley Ellergeth | 13 | Son | — | South Carolina |
| 9 | Sherman Ellergeth | 12 | Son | — | South Carolina |
| 10 | Murray Knight | 25 | Head | Laborer | South Carolina |
| 11 | Gene Knight | 22 | Wife | — | South Carolina |
| 12 | Jerry Knight | 22 | Mother | Carpenter | South Carolina |
| 13 | Arlee Knight | 41 | Head | Farmer | South Carolina |
| 14 | Maude Knight | 37 | Wife | — | South Carolina |
| 15 | Mary E. Knight THIS PERSON | 18 | Daughter | — | South Carolina |
| 16 | James Knight | 16 | Son | Laborer | South Carolina |
| 17 | William Knight | 14 | Son | Laborer | South Carolina |
| 18 | Wallace Knight | 12 | Son | — | South Carolina |
| 19 | Thelma Knight | 10 | Daughter | — | South Carolina |
| 20 | Frances Knight | 7 | Daughter | — | South Carolina |
| 21 | Jerome Knight | 5 | Son | — | South Carolina |
| 22 | Catherine A. Knight | 3 | Daughter | — | South Carolina |
| 23 | Virginia Knight | 1 | Daughter | — | South Carolina |
| 24 | A. D. @ Knight | 31 | Head | Farmer | South Carolina |
| 25 | Hazel Knight | 29 | Wife | — | South Carolina |
| 26 | A. D. Jr. Knight | 7 | Son | — | South Carolina |
| 27 | Gloria Knight | 12 | Daughter | — | South Carolina |
| 28 | H. M. @ Mckissick | 53 | Head | Farmer | South Carolina |
| 29 | Theresa Mckissick | 61 | Wife | — | South Carolina |
| 30 | Miriam Fickling | 22 | Daughter | — | South Carolina |
| 31 | James Fickling | 26 | Son-in-law | Salesman | South Carolina |
| 32 | Everett Weeks | 27 | Lodger | Laborer | South Carolina |
| 33 | Maud @ Hutto | 32 | Head | — | South Carolina |
| 34 | J. O. Hutto | 38 | Husband | Farmer | South Carolina |
| 35 | Fairlee Hutto | 14 | Daughter | — | South Carolina |
| 36 | Carolyn Hutto | 13 | Daughter | — | South Carolina |
| 37 | Junior Hutto | 11 | Son | — | South Carolina |
| 38 | Virginia Hutto | 5 | Daughter | — | South Carolina |
| 39 | Peter Murray | 56 | Head | Farmer | South Carolina |
| 40 | Joel @ Murray | 54 | Wife | — | South Carolina |
Related Census Records
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)