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William Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nelson-County, Kentucky
Our Model Tree links this William Nichols across the 1920, 1930 and 1940 US Censuses in Nelson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Mattie & Mill — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Nelson-County, Kentucky |
| Surname | Nichols |
| Given Name | William F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Nelson |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Mechanic |
| Township / Ward | Bardstown City |
| Est. Birth Year | ~1912 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Martha Nichols | Daughter | — | 5 | ~1935 |
| William Nichols | Head | — | 28 | ~1912 |
| Alice Nichols | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Nelson, Kentucky
Son, age 7
Nelson, Kentucky · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | William F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Nelson, Kentucky
Son, age 18
Nelson, Kentucky · implied b. ~1912 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Garage |
| Class of Worker | 7873 |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Nelson-County, Kentucky
Head, age 28
Nelson-County, Kentucky · implied b. ~1912 — 3 household members
| Surname | Nichols |
| Given Name | William F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Nelson |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Kentucky |
| 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 William Nichols across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mattie Nichols (~0.92 confidence) and father Mill Nichols (~0.92 confidence) and father William Nichols (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mattie Nichols
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Mill Nichols
b. ~1881
Source father
● Household
· direct · ~0.92
Father
William Nichols
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Nichols
Head · 1940 · age 28 · b. ~1912 · Kentucky
★ 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 — Nelson-County, Kentucky
Open full size
1940 US Federal Census — Nelson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01345-00125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ann M Howard | 18 | Wife | — | Kentucky |
| 42 | Guthrie Jr Howard | 0 | Son | — | Kentucky |
| 43 | M. Joseph M. Clark | 53 | Head | Laborer | Kentucky |
| 44 | Alex Clark | 30 | Son | Laborer | Kentucky |
| 45 | Mary M. Clark | 25 | Daughter | Facelady | Kentucky |
| 46 | Georgia Clark | 22 | Daughter | Bottler Whiskey | Kentucky |
| 47 | Kathleen Clark | 17 | Daughter | — | Kentucky |
| 48 | Joseph Clark | 13 | Son | — | Kentucky |
| 49 | James Talbott | 45 | Head | Carpenter | Kentucky |
| 50 | Marie Talbott | 35 | Wife | Bottler Whiskey | Kentucky |
| 51 | Leo Talbott | 14 | Son | — | Kentucky |
| 52 | Alice Talbott | 12 | Daughter | — | Kentucky |
| 53 | Ann Talbott | 10 | Daughter | — | Kentucky |
| 54 | Owen Talbott | 8 | Son | — | Kentucky |
| 55 | James Talbott | 5 | Son | — | Kentucky |
| 56 | S. Jude Talbott | 2 | Son | — | Kentucky |
| 57 | Ray L Gatewood | 27 | Head | Electrician | Kentucky |
| 58 | Gladys Gatewood | 24 | Wife | — | Kentucky |
| 59 | Michael M. Smith | 47 | Head | Laborer | Kentucky |
| 60 | Mary T. D Smith | 37 | Daughter | — | Kentucky |
| 61 | Dorothy M Smith | 17 | Daughter | — | Kentucky |
| 62 | Uolinda M Smith | 15 | Daughter | — | Kentucky |
| 63 | Edwin M Smith | 11 | Son | — | Kentucky |
| 64 | Louis P Wheatley | 57 | Head | In 1939 On A Farm | Kentucky |
| 65 | Emma L Wheatley | 47 | Wife | — | Kentucky |
| 66 | Mary I Wheatley | 16 | Daughter | — | Kentucky |
| 67 | Agnes M Wheatley | 13 | Daughter | — | Kentucky |
| 68 | Nara Wheatley | 11 | Daughter | — | Kentucky |
| 69 | Earl Mattingly | 17 | Lodger | — | Kentucky |
| 70 | Henry E Smith | 34 | Head | Truck Driver | Kentucky |
| 71 | Margaret M Smith | 30 | Wife | Bottler Whiskey | Kentucky |
| 72 | William F Nichols THIS PERSON | 28 | Head | Mechanic | Kentucky |
| 73 | Alice S Nichols | 25 | Wife | — | Kentucky |
| 74 | Martha J Nichols | 5 | Daughter | — | Kentucky |
| 75 | Paster Rhodes | 30 | Head | Truck Driver | Kentucky |
| 76 | Mabel D Rhodes | 26 | Wife | — | Kentucky |
| 77 | Norma A Rhodes | 5 | Daughter | — | Kentucky |
| 78 | Wanda Lee Rhodes | 2 | Daughter | — | Kentucky |
| 79 | W. Adrian Mattingly | 26 | Head | Bottling Room | Kentucky |
| 80 | Mithelma D Mattingly | 22 | Wife | — | Kentucky |
Pedigree Summary
William
Gen 1 · 3 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)