MN
Mary Nicholson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Owen-County, Kentucky
Our Model Tree links this Mary Nicholson across the 1930 and 1940 US Censuses in Owen-County, Kentucky (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Owen-County, Kentucky |
| Surname | Nicholson |
| Given Name | Mary Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist. 3 |
| 1935 Residence (County) | Owen |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Magisterial Dist 3 |
| Est. Birth Year | ~1923 |
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 |
|---|---|---|---|---|
| Emma Jones | Other | — | 83 | ~1857 |
| John Nicholson | Son | — | 10 | ~1930 |
| Lily Nicholson | Spouse | — | 43 | ~1897 |
| Mary Nicholson | Daughter | — | 17 | ~1923 |
| Wilma Nicholson | Daughter | — | 4 | ~1936 |
| Fayaline Nicholson | Daughter | — | 2 | ~1938 |
| Charles Nicholson | Son | — | 6 | ~1934 |
| Thurman Nicholson | Head | — | 45 | ~1895 |
| Virginia Nicholson | Daughter | — | 15 | ~1925 |
Census Appearances
1930
Owen, Kentucky
Daughter, age 8
Owen, Kentucky · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicolson |
| Given Name | Marion F |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Owen-County, Kentucky
Daughter, age 17
Owen-County, Kentucky · implied b. ~1923 — 9 household members
| Surname | Nicholson |
| Given Name | Mary Bell |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Magisterial Dist. 3 |
| 1935 Residence (County) | Owen |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Nicholson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Nicholson
Daughter · 1940 · age 17 · b. ~1923 · Kentucky
★ You are viewing this record
Sibling
Virginia Nicholson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Nicholson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Nicholson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fayaline Nicholson
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wilma Nicholson
Sibling · 1940 · age 4
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 — Owen-County, Kentucky
Open full size
1940 US Federal Census — Owen-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01347-00192)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ms Nettie Newton | 12 | Daughter | — | Kentucky |
| 42 | Vernie Newton | 35 | Head | Farmer | Kentucky |
| 43 | Stella Newton | 31 | Wife | — | Kentucky |
| 44 | Eleven Newton | 13 | Son | — | Kentucky |
| 45 | Earl Newton | 12 | Son | — | Kentucky |
| 46 | Mafrey Newton | 4 | Daughter | — | Kentucky |
| 47 | Christie S. Newton | 1 | Son | — | Kentucky |
| 48 | Allen Wainscott | 63 | Head | Farmer | Kentucky |
| 49 | Roxie Wainscott | 56 | Wife | — | Kentucky |
| 50 | Robert Wainscott | 13 | Son | — | Kentucky |
| 51 | Daisy Wainscott | 11 | Daughter | — | Kentucky |
| 52 | Junior Ray Wainscott | 8 | Son | — | Kentucky |
| 53 | Thurman Nicholson | 45 | Head | Farmer | Kentucky |
| 54 | Lily Mae Nicholson | 43 | Wife | — | Kentucky |
| 55 | Virginia Nicholson | 15 | Daughter | — | Kentucky |
| 56 | Mary Bell Nicholson THIS PERSON | 17 | Daughter | — | Kentucky |
| 57 | John William Nicholson | 10 | Son | — | Kentucky |
| 58 | Charles E. Nicholson | 6 | Son | — | Kentucky |
| 59 | Wilma Lou Nicholson | 4 | Daughter | — | Kentucky |
| 60 | Fayaline Nicholson | 2 | Daughter | — | Kentucky |
| 61 | Emma Jones | 83 | Mother-in-law | — | Kentucky |
| 62 | G. W. Hamage | 20 | Head | Farmer | Kentucky |
| 63 | Mildred Hamage | 19 | Wife | — | Kentucky |
| 64 | James Thurman Hamage | 0 | Son | — | Kentucky |
| 65 | Byron O. Simpson | 55 | Head | Farmer | Kentucky |
| 66 | Harold Simpson | 22 | Son | Farmer | Kentucky |
| 67 | William Simpson | 20 | Son | Farmer | Kentucky |
| 68 | Jim Courtney | 65 | Head | Farmer | Kentucky |
| 69 | Mary Courtney | 68 | Wife | — | Kentucky |
| 70 | John Thomas Courtney | 24 | Son | Farmer | Kentucky |
| 71 | Christine Courtney | 18 | Daughter-in-law | — | Kentucky |
| 72 | Robert Hammonds | 69 | Lodger | Laborer | Kentucky |
| 73 | Leonard Steger | 45 | Head | Farmer | Kentucky |
| 74 | Emma B. Steger | 47 | Wife | — | Kentucky |
| 75 | Harold Steger | 8 | Son | — | Kentucky |
| 76 | Donald Steger | 4 | Son | — | Kentucky |
| 77 | Walter Perry | 33 | Head | Farmer | Kentucky |
| 78 | Eula Perry | 28 | Wife | — | Kentucky |
| 79 | Billy F. Perry | 9 | Son | — | Kentucky |
| 80 | Harold B. Perry | 7 | Son | — | Kentucky |
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)