MN
Mary Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sumter-County, South Carolina
Our Model Tree links this Mary Nichols across the 1930 and 1940 US Censuses in Sumter-County, South Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sumter-County, South Carolina |
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Privateer |
| 1935 Residence (County) | Sumter |
| Additional Details | |
| Occupation | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | 0 |
| Township / Ward | Privateer |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Frances Nichols | Daughter | — | 19 | ~1921 |
| Mary Nichols | Daughter | — | 16 | ~1924 |
| Rones Nichols | Daughter | — | 10 | ~1930 |
| Tulley Nichols | Head | — | 52 | ~1888 |
| James Nichols | Son | — | 14 | ~1926 |
| Joe Nichols | Son | — | 8 | ~1932 |
| Richard Nichols | Son | — | 5 | ~1935 |
| William Nichols | Son | — | 13 | ~1927 |
| Edelle Nichols | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Sumter, South …
Daughter, age 6
Sumter, South Carolina · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholas |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| 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
Sumter-County, South …
Daughter, age 16
Sumter-County, South Carolina · implied b. ~1924 — 9 household members
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Privateer |
| 1935 Residence (County) | Sumter |
| Occupation | 0 |
| Highest Grade | H 1 |
| 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 Nichols across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nichols
Daughter · 1940 · age 16 · b. ~1924 · South Carolina
★ You are viewing this record
Sibling
Richard Nichols
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Nichols
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Nichols
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Nichols
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rones Nichols
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Nichols
Sibling · 1940 · age 13
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-t0627-03841-00307)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Emmie Barkley | 50 | Head | — | South Carolina |
| 42 | Bruce Jr. Barkley | 17 | Son | Farm Labor | South Carolina |
| 43 | Lucy Barkley | 15 | Daughter | 0 | South Carolina |
| 44 | James Barkley | 12 | Son | — | South Carolina |
| 45 | Carl Barkley | 6 | Son | — | South Carolina |
| 46 | Halva Beatson | 24 | Son in law | Salesman | South Carolina |
| 47 | Tressie Beatson | 25 | Daughter | — | South Carolina |
| 48 | Hurley Barkley | 32 | Head | Plumber | South Carolina |
| 49 | Sarah Barkley | 32 | Wife | General Office | South Carolina |
| 50 | Betty Ann Barkley | 8 | Daughter | — | South Carolina |
| 51 | Julia Ann Dwyer | 58 | Cook | Housekeeper | South Carolina |
| 52 | Frances Ludd | 29 | Head | Farm Laborer | South Carolina |
| 53 | Louise Ludd | 15 | Daughter | Farm Laborer | South Carolina |
| 54 | Queen Dukes | 26 | Sister | Cook | South Carolina |
| 55 | Vermelle Nathaniel | 18 | Sister | Farm Labor | South Carolina |
| 56 | Martha Ann Jones | 16 | Sister | Cook | South Carolina |
| 57 | Marshall Scott | 62 | Head | — | South Carolina |
| 58 | Sallie Scott | 26 | Daughter | Farm Laborer | South Carolina |
| 59 | Marie Scott | 23 | Daughter | Farm Laborer | South Carolina |
| 60 | Annie Jane Scott | 8 | Granddaughter | — | South Carolina |
| 61 | Cornelius Westbrook | 68 | Head | Minister | Missouri |
| 62 | Aretta Westbrook | 65 | Wife | — | Missouri |
| 63 | Tulley W. Nichols | 52 | Head | Farmer | South Carolina |
| 64 | Edelle Nichols | 42 | Wife | Sewing | South Carolina |
| 65 | Frances Nichols | 19 | Daughter | 0 | South Carolina |
| 66 | Mary Nichols THIS PERSON | 16 | Daughter | 0 | South Carolina |
| 67 | James Nichols | 14 | Son | 0 | South Carolina |
| 68 | William Nichols | 13 | Son | — | South Carolina |
| 69 | Rones Nichols | 10 | Daughter | — | South Carolina |
| 70 | Joe Nichols | 8 | Son | — | South Carolina |
| 71 | Richard Nichols | 5 | Son | — | South Carolina |
| 72 | Gordon E. Beatson | 25 | Head | Salesman | South Carolina |
| 73 | Margaret Beatson | 28 | Wife | 0 | South Carolina |
| 74 | Robert Gordon Beatson | 5 | Son | — | South Carolina |
| 75 | George A. Nettles | 59 | Head | — | South Carolina |
| 76 | Carrie Nettles | 56 | Wife | 0 | South Carolina |
| 77 | Daughter Mary White | None | F | Public School | — |
| 78 | Corinne Mathis | 22 | Lodger | Teacher | South Carolina |
| 79 | Susan Williams | 23 | Lodger | Teacher | South Carolina |
| 80 | Seilla Williams | 25 | Lodger | Teacher | 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)