MJ
Margaret Johnston — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Greenwood-County, South Carolina
Our Model Tree links this Margaret Johnston across the 1930 and 1940 US Censuses in Greenwood-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.
Age 13
b. ~1927
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Greenwood-County, South Carolina |
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Kirksey Twp |
| 1935 Residence (County) | Greenwood |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Township / Ward | Kirksey Twp |
| Est. Birth Year | ~1927 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Johnston | Daughter | — | 13 | ~1927 |
| Lucy Johnston | Spouse | — | 37 | ~1903 |
| Billie Johnston | Son | — | 2 | ~1938 |
| Bobby Johnston | Son | — | 4 | ~1936 |
| Dorothy Johnston | Daughter | — | 16 | ~1924 |
| Milton Johnston | Son | — | 11 | ~1929 |
| Velma Johnston | Daughter | — | 9 | ~1931 |
| Milton Johnston | Head | — | 39 | ~1901 |
Census Appearances
1930
Greenwood, South …
Daughter, age 2
Greenwood, South Carolina · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnston |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | Student Nurse |
| Industry | Hospital |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Greenwood-County, South …
Daughter, age 13
Greenwood-County, South Carolina · implied b. ~1927 — 8 household members
| Surname | Johnston |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Kirksey Twp |
| 1935 Residence (County) | Greenwood |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 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 Margaret Johnston across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Johnston
Daughter · 1940 · age 13 · b. ~1927 · South Carolina
★ You are viewing this record
Sibling
Dorothy Johnston
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Johnston
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Velma Johnston
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Milton Johnston
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billie Johnston
Sibling · 1940 · age 2
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 — Greenwood-County, South Carolina
Open full size
1940 US Federal Census — Greenwood-County, South Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03815-00827)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | W. L. B. Johnston | 76 | Head | Farmer | South Carolina |
| 2 | Frannie Johnston | 72 | Wife | — | South Carolina |
| 3 | Milton B. Johnston | 39 | Head | Farmer | South Carolina |
| 4 | Lucy Johnston | 37 | Wife | — | Georgia |
| 5 | Dorothy Johnston | 16 | Daughter | — | South Carolina |
| 6 | Margaret Johnston THIS PERSON | 13 | Daughter | — | South Carolina |
| 7 | Milton Jr. Johnston | 11 | Son | — | South Carolina |
| 8 | Velma Johnston | 9 | Daughter | — | South Carolina |
| 9 | Bobby Johnston | 4 | Son | — | South Carolina |
| 10 | Billie Johnston | 2 | Son | — | South Carolina |
| 11 | Howard P. Devore | 26 | Head | Day Laborer | South Carolina |
| 12 | Mattie Devore | 24 | Wife | — | South Carolina |
| 13 | Mattie B. Hargrove | 40 | Head | Day Laborer | South Carolina |
| 14 | John Hargrove | 13 | Son | — | South Carolina |
| 15 | Mattie Hargrove | 11 | Daughter | — | South Carolina |
| 16 | Bice Hargrove | 9 | Son | — | South Carolina |
| 17 | Cootzie Hargrove | 7 | Daughter | — | South Carolina |
| 18 | Robert Hargrove | 3 | Son | — | South Carolina |
| 19 | W. B. B. Johnston | 45 | Head | Farmer | South Carolina |
| 20 | Ruth Johnston | 40 | Wife | — | South Carolina |
| 21 | Hazel Johnston | 18 | Son | Truck Driver | South Carolina |
| 22 | Howard Johnston | 13 | Son | — | South Carolina |
| 23 | Charles Johnston | 11 | Son | — | South Carolina |
| 24 | Higgins Andrews | 70 | Head | Laborer | South Carolina |
| 25 | Lou Andrews | 67 | Wife | — | South Carolina |
| 26 | W. R. Pickett | 65 | Head | Farmer | South Carolina |
| 27 | Annie Pickett | 61 | Wife | — | South Carolina |
| 28 | Edward Pickett | 22 | Son | Mechanic | South Carolina |
| 29 | Frank Pickett | 19 | Son | Laborer | South Carolina |
| 30 | Lawton M. Whatley | 69 | Head | Farmer | South Carolina |
| 31 | Treacy Whatley | 62 | Wife | — | South Carolina |
| 32 | Pearle Whatley | 29 | Daughter | — | South Carolina |
| 33 | Hollie Whatley | 24 | Son | Truck Driver | South Carolina |
| 34 | Head Sugert | None | M | Farming | — |
| 35 | Velma Sugert | 35 | Wife | — | South Carolina |
| 36 | Joe Moore | 38 | Head | Farmer | South Carolina |
| 37 | Emma Moore | 36 | Wife | — | South Carolina |
| 38 | Elzie Brown | 37 | Head | Farmer | South Carolina |
| 39 | Sudie Brown | 30 | Wife | — | South Carolina |
| 40 | Willie Brown | 12 | Son | — | 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)