MN
Mary Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Fayette-County, West Virginia
Our Model Tree links this Mary Nichols across the 1930 and 1940 US Censuses in Fayette-County, West Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 12-person household.
Age 13
b. ~1927
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Fayette-County, West Virginia |
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | OAK HILL CITY |
| 1935 Residence (County) | FAYETTE |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Township / Ward | Oak Hill City |
| 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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Nichols | Daughter | — | 13 | ~1927 |
| Margie Nichols | Daughter | — | 23 | ~1917 |
| Martha Nichols | Daughter | — | 11 | ~1929 |
| Mildred Nichols | Daughter | — | 19 | ~1921 |
| Clarence Nichols | Head | — | 55 | ~1885 |
| Margaret Nichols | Other | — | 78 | ~1862 |
| Donald Nichols | Son | — | 8 | ~1932 |
| Charles Nichols | Son | — | 20 | ~1920 |
| Earnest Nichols | Son | — | 5 | ~1935 |
| Clarence Nichols | Son | — | 15 | ~1925 |
| Ronald Nichols | Son | — | 8 | ~1932 |
| Dollie Nichols | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Fayette, West …
Daughter, age 3
Fayette, West Virginia · implied b. ~1927 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | none |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Fayette-County, West …
Daughter, age 13
Fayette-County, West Virginia · implied b. ~1927 — 12 household members
| Surname | Nichols |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | OAK HILL CITY |
| 1935 Residence (County) | FAYETTE |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
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 13 · b. ~1927 · West Virginia
★ You are viewing this record
Sibling
Martha Nichols
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Nichols
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ronald Nichols
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Nichols
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Nichols
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earnest Nichols
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Nichols
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margie Nichols
Sibling · 1940 · age 23
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 — Fayette-County, West Virginia
Open full size
1940 US Federal Census — Fayette-County, West Virginia
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-04401-00448)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sadie E Brooks | 40 | Daughter | Stenographer | Connecticut |
| 2 | Pearl Brooks | 19 | Granddaughter | — | West Virginia |
| 3 | Estha Brooks | 18 | Granddaughter | — | West Virginia |
| 4 | Mary Brooks | 16 | Granddaughter | — | West Virginia |
| 5 | Francis Brooks | 15 | Granddaughter | — | West Virginia |
| 6 | John Brooks | 12 | Grandson | — | West Virginia |
| 7 | William Brooks | 11 | Son | — | West Virginia |
| 8 | Heber H Legg | 31 | Head | Coal Loader | West Virginia |
| 9 | Juanita Legg | 26 | Wife | — | West Virginia |
| 10 | Hubert Legg | 5 | Son | — | West Virginia |
| 11 | Patricia Legg | 4 | Daughter | — | West Virginia |
| 12 | Alton Legg | 3 | Son | — | West Virginia |
| 13 | Clarence F Nichols | 55 | Head | Carpenter | West Virginia |
| 14 | Dollie B Nichols | 48 | Wife | — | West Virginia |
| 15 | Margie Nichols | 23 | Daughter | — | West Virginia |
| 16 | Charles Nichols | 20 | Son | Typist | West Virginia |
| 17 | Mildred Nichols | 19 | Daughter | — | West Virginia |
| 18 | Clarence Jr Nichols | 15 | Son | — | West Virginia |
| 19 | Mary Nichols THIS PERSON | 13 | Daughter | — | West Virginia |
| 20 | Martha Nichols | 11 | Daughter | — | West Virginia |
| 21 | Ronald Nichols | 8 | Son | — | West Virginia |
| 22 | Donald Nichols | 8 | Son | — | West Virginia |
| 23 | Earnest Nichols | 5 | Son | — | West Virginia |
| 24 | Margaret Ann Nichols | 78 | Mother | — | West Virginia |
| 25 | Minnie Lavender | 46 | Head | — | West Virginia |
| 26 | Edgar F Lavender | 26 | Son | Attendant | West Virginia |
| 27 | Joe J Rule | 39 | Head | Electrician | West Virginia |
| 28 | Margaret Rule | 78 | Mother | — | West Virginia |
| 29 | Faye Rule | 33 | Sister | — | West Virginia |
| 30 | Adam A Baumgartner | 57 | Head | Mine Foreman | Ohio |
| 31 | Zella Baumgartner | 41 | Wife | — | West Virginia |
| 32 | Rupert Baumgartner | 23 | Son | — | West Virginia |
| 33 | Millie Faye Baumgartner | 16 | Daughter | — | West Virginia |
| 34 | W. H. Boyd | 56 | Head | — | West Virginia |
| 35 | Ethel Boyd | 47 | Wife | — | West Virginia |
| 36 | Ralph Conner | 27 | Head | Laborer | Tennessee |
| 37 | John Meadows | 23 | Lodger | Laborer | England |
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)