WN
William Nichols — 1940 US Census Record
Model Tree available1940 United States Federal Census · Canyon-County, Idaho
Our Model Tree links this William Nichols across the 1920, 1930 and 1940 US Censuses in Canyon-County, Idaho (XGBoost, ~Confirmed), with identified parents William & Viola — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Canyon-County, Idaho |
| Surname | Nichols |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Pleasant Ridge Precinct |
| 1935 Residence (County) | Canyon |
| Additional Details | |
| Occupation | Onion sorter |
| Industry | Produce |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 766 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Onion Sorter |
| Township / Ward | Pleasant Ridge Precinct |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Nichols | Head | — | 68 | ~1872 |
| Lee Nichols | Son | — | 32 | ~1908 |
| William Nichols | Son | — | 27 | ~1913 |
| Viola Nichols | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Canyon, Idaho
Son, age 8
Canyon, Idaho · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | William L |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Canyon, Idaho
Son, age 17
Canyon, Idaho · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | William T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Georgia |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Canyon-County, Idaho
Son, age 27
Canyon-County, Idaho · implied b. ~1913 — 4 household members
| Surname | Nichols |
| Given Name | William L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Pleasant Ridge Precinct |
| 1935 Residence (County) | Canyon |
| Occupation | Onion sorter |
| Industry | Produce |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 766 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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: father William Nichols (~0.92 confidence) and mother Viola Nichols (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Nichols
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Viola Nichols
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Nichols
Son · 1940 · age 27 · b. ~1913 · Idaho
★ You are viewing this record
Sibling
Lee Nichols
Sibling · 1940 · age 32
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 — Canyon-County, Idaho
Open full size
1940 US Federal Census — Canyon-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00743-00483)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank L. Teeter | 11 | Son | — | Idaho |
| 42 | Le Veda M. Teeter | 8 | Daughter | — | Idaho |
| 43 | Sigle Clark | 76 | Head | — | Missouri |
| 44 | Fred Anderson | 53 | Lodger | Wpa Laborer | Washington |
| 45 | Maud Anderson | 48 | Lodger wife | — | Oregon |
| 46 | Doris Anderson | 12 | Lodger dau | — | Oregon |
| 47 | David V. Anderson | 8 | Lodger son | — | Oregon |
| 48 | Rachel K. Anderson | 5 | Lodger dau | — | Oregon |
| 49 | Harold A. Hill | 22 | Head | — | Texas |
| 50 | Yvonne J. Hill | 20 | Wife | — | Idaho |
| 51 | Constance Y. Hill | 2 | Daughter | — | Idaho |
| 52 | Richard H. Hill | 1 | Son | — | Idaho |
| 53 | Orval L. Moore | 38 | Head | Farmer | Kansas |
| 54 | Grace M. Moore | 36 | Wife | — | Colorado |
| 55 | Herbert L. Moore | 18 | Son | Farm Laborer | Oregon |
| 56 | Colleen B. Moore | 14 | Daughter | — | Idaho |
| 57 | Thelma G. Moore | 14 | Daughter | — | Idaho |
| 58 | Norman L. Moore | 6 | Son | — | Idaho |
| 59 | Gerald L. Moore | 5 | Son | — | Washington |
| 60 | Chester O. Teeter | 41 | Head | Farmer | Washington |
| 61 | Edith Teeter | 31 | Wife | — | Washington |
| 62 | Bonnie L. Teeter | 5 | Daughter | — | Idaho |
| 63 | William H. Nichols | 68 | Head | Farmer | Missouri |
| 64 | Viola D. Nichols | 54 | Wife | — | Georgia |
| 65 | Lee J. Nichols | 32 | Son | Farmer | Idaho |
| 66 | William L. Nichols THIS PERSON | 27 | Son | Onion Sorter | Idaho |
| 67 | Daniel H. Cashman | 48 | Head | Farmer | Kansas |
| 68 | Elizabeth Cashman | 46 | Wife | — | Nebraska |
| 69 | William F. Tracey | 55 | Head | Farmer | Missouri |
| 70 | Millie S. Tracey | 45 | Wife | — | Nebraska |
| 71 | Willard A. Tracey | 24 | Son | Farm Laborer | Idaho |
| 72 | Ralph E. Winters | 43 | Head | Farmer | Oklahoma |
| 73 | Harriet V. Winters | 34 | Wife | — | Kansas |
| 74 | Ardie J. Winters | 15 | Daughter | — | Colorado |
| 75 | Arvin L. Winters | 12 | Son | — | Colorado |
| 76 | Virginia M. Winters | 7 | Daughter | — | Colorado |
| 77 | Neva M. Winters | 3 | Daughter | — | Idaho |
| 78 | Ora L. Winters | 41 | Head | Farm Laborer | Oklahoma |
| 79 | Stella L. Winters | 24 | Wife | — | Kansas |
| 80 | Ora J. Winters | 3 | Daughter | — | Idaho |
Related Census Records
Pedigree Summary
William + 1 sibling
Gen 1 · 2 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)