MN
Mary Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ohio-County, West Virginia
Our Model Tree links this Mary Nichols across the 1920, 1930 and 1940 US Censuses in Ohio-County, West Virginia (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a daughter (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Daughter
Born: West Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ohio-County, West Virginia |
| Surname | Nichols |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Wheeling |
| 1935 Residence (County) | Ohio |
| Additional Details | |
| Occupation | School Teacher |
| Industry | Public Grade School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 34 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
| Occupation | Teacher |
| Township / Ward | Wheeling |
| Est. Birth Year | ~1919 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Nichols | Daughter | — | 21 | ~1919 |
| Charles Nichols | Head | — | 51 | ~1889 |
| Bessie Nichols | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Ohio, West …
Daughter, age 2
Ohio, West Virginia · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1930
Ohio, West …
Daughter, age 11
Ohio, West Virginia · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | West Virginia |
| Father's Birthplace | West Virginia |
| Mother's Birthplace | West Virginia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | West Virginia |
| Birth Country | United States |
| Birthplace (normalized) | west virginia |
1940
Ohio-County, West …
Daughter, age 21
Ohio-County, West Virginia · implied b. ~1919 — 3 household members
| Surname | Nichols |
| Given Name | Mary Jane |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | West Virginia |
| 1935 Residence (City) | Wheeling |
| 1935 Residence (County) | Ohio |
| Occupation | School Teacher |
| Industry | Public Grade School |
| Class of Worker | GW |
| Hours Worked | 30 |
| Income (1939) | 34 |
| Highest Grade | C-3 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Nichols (~0.92 confidence) and father Charles Nichols (~0.92 confidence) and mother Bessie Nichols (~0.92 confidence) and father Chas Nichols (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Nichols
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Charles Nichols
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Bessie Nichols
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Chas Nichols
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Nichols
Daughter · 1940 · age 21 · b. ~1919 · West Virginia
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ohio-County, West Virginia
Open full size
1940 US Federal Census — Ohio-County, West Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04436-00909)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elizabeth U. Schafer | 60 | Head | — | West Virginia |
| 2 | William F. Schafer | 20 | Son | Railway Express | West Virginia |
| 3 | Bruce K. Nelson | 46 | Head | Salesman | Virginia |
| 4 | Florence H. Nelson | 41 | Wife | — | Tennessee |
| 5 | Bruce K. Jr. Nelson | 17 | Son | Newspaper Boy | West Virginia |
| 6 | Florence M. Nelson | 14 | Daughter | — | Kentucky |
| 7 | Frank H. Nelson | 13 | Son | — | Kentucky |
| 8 | Page W. Nelson | 8 | Son | — | West Virginia |
| 9 | Walter Heil | 36 | Head | Mill Foreman | Ohio |
| 10 | Louise Heil | 23 | Wife | Beautician | West Virginia |
| 11 | John A. Supler | 35 | Head | Radio Engineer | West Virginia |
| 12 | Wilda M. Supler | 26 | Wife | Seamstress | West Virginia |
| 13 | Elizabeth M. Supler | 67 | Mother | — | England |
| 14 | Charles D. Nichols | 51 | Head | District Agent | West Virginia |
| 15 | Bessie Nichols | 51 | Wife | — | West Virginia |
| 16 | Mary Jane Nichols THIS PERSON | 21 | Daughter | School Teacher | West Virginia |
| 17 | Bertie F. Cruse | 45 | Head | — | West Virginia |
| 18 | William F. Cruse | 22 | Son | Service Man | West Virginia |
| 19 | Mary K. Cruse | 18 | Daughter | — | West Virginia |
| 20 | Joe L. Jurgens | 41 | Head | Cement Salesman | West Virginia |
| 21 | Maud P. Jurgens | 36 | Wife | — | West Virginia |
| 22 | Frank H. Guthrie | 64 | Head | Accountant | West Virginia |
| 23 | Susie M. Guthrie | 64 | Wife | — | Ohio |
| 24 | Frank T. Guthrie | 15 | Grandson | — | Ohio |
| 25 | Dan Hile | 61 | Head | Senior Clerk | West Virginia |
| 26 | Margaret Hile | 56 | Wife | — | Pennsylvania |
| 27 | Mary Ellen Hile | 21 | Daughter | Telephone Operator | West Virginia |
| 28 | Rossel W. Clarke | 36 | Head | Salesman | West Virginia |
| 29 | Gene M. Clarke | 28 | Wife | — | Ohio |
| 30 | William H. Jr. Truschel | 36 | Head | Attendant | West Virginia |
| 31 | Louise A. Truschel | 32 | Wife | — | Pennsylvania |
| 32 | William H. 3Rd Truschel | 8 | Son | — | West Virginia |
| 33 | Thomas A. Griffith | 31 | Head | Stock Broker | West Virginia |
| 34 | Ellen L. Griffith | 28 | Wife | — | West Virginia |
| 35 | Patricia Mae Griffith | 3 | Son | — | West Virginia |
| 36 | Emke Haren | None | Block 286 and Begins Block 287 | — | — |
| 37 | Olive D. Wallace | 64 | Head | — | West Virginia |
| 38 | Marion H. Wallace | 37 | Daughter | School Teacher | West Virginia |
| 39 | Melvin D. Wallace | 33 | Son | Salesman | West Virginia |
| 40 | Jessie E. Beans | 60 | Head | — | Ohio |
Pedigree Summary
Mary
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)