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William Nichols — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Shawnee-County, Kansas
Our Model Tree links this William Nichols across the 1930 and 1940 US Censuses in Shawnee-County, Kansas (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Shawnee-County, Kansas |
| Surname | Nichols |
| Given Name | William H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shawnee |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Flour mill |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 78 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Truck Driver |
| Township / Ward | Topeka City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ruby Nichols | Daughter | — | ~1940 | |
| Betty Nichols | Daughter | — | 10 | ~1930 |
| Ivan Nichols | Head | — | 44 | ~1896 |
| Robert Nichols | Son | — | 12 | ~1928 |
| Jessie Nichols | Son | — | 2 | ~1938 |
| John Nichols | Son | — | 14 | ~1926 |
| William Nichols | Son | — | 19 | ~1921 |
| Leroy Nichols | Son | — | 16 | ~1924 |
| Ivan Nichols | Son | — | 8 | ~1932 |
| Mildred Nichols | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Shawnee, Kansas
Son, age 10
Shawnee, Kansas · implied b. ~1920 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nichols |
| Given Name | William Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Shawnee-County, Kansas
Son, age 19
Shawnee-County, Kansas · implied b. ~1921 — 10 household members
| Surname | Nichols |
| Given Name | William H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Shawnee |
| Occupation | Truck Driver |
| Industry | Flour mill |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 78 |
| Highest Grade | No 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Nichols
Son · 1940 · age 19 · b. ~1921 · Kansas
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Sibling
John Nichols
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ivan Nichols
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Nichols
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leroy Nichols
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Nichols
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Nichols
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Nichols
Sibling · 1940 · age 12
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 — Shawnee-County, Kansas
Open full size
1940 US Federal Census — Shawnee-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01259-00462)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earlene Cook | 12 | daughter | — | Kansas |
| 42 | Walter Cook | 21 | Head | Messenger | Kansas |
| 43 | Ida Mae Cook | 64 | mother | Housework | Kansas |
| 44 | Hazel Adams | 20 | sister | House Work | Kansas |
| 45 | David Marshall | 72 | Head | — | Kansas |
| 46 | Emley Marshall | 69 | wife | — | Kansas |
| 47 | Alf L Marshall | 38 | son | Pipelayer | Kansas |
| 48 | Lucy I Marshall | 30 | daughter | Housework | Kansas |
| 49 | Cornelius Butner | 23 | Head | Millwright | Canada |
| 50 | Alverta Butner | 22 | Wife | House Work | Kansas |
| 51 | Oscar Conard | 37 | Head | Mechanic | Kansas |
| 52 | Marie Conard | 36 | wife | Housework | Kansas |
| 53 | Virgil Conard | 18 | son | — | Kansas |
| 54 | Gerald Conard | 17 | son | — | Kansas |
| 55 | Charles Nichols | 18 | Head | Truck Driver | Kansas |
| 56 | Helen Nichols | 19 | Wife | Housework | Kansas |
| 57 | Ivan Nichols | 44 | Head | Rock Crusher | Kansas |
| 58 | Mildred Nichols | 38 | wife | House Work | Kansas |
| 59 | William H Nichols THIS PERSON | 19 | son | Truck Driver | Kansas |
| 60 | Leroy Nichols | 16 | son | — | Kansas |
| 61 | John Nichols | 14 | son | — | Kansas |
| 62 | Robert Nichols | 12 | son | — | Kansas |
| 63 | Betty Lou Nichols | 10 | daughter | — | Kansas |
| 64 | Ivan Ray Nichols | 8 | son | — | Kansas |
| 65 | Jessie W Nichols | 2 | son | — | Kansas |
| 66 | Ruby Nichols | 0 | daughter | — | Kansas |
| 67 | Samuel D Shreves | 61 | Head | — | Kansas |
| 68 | Alice Shreves | 58 | Wife | House Work | Wyoming |
| 69 | Edmund Bussard | 18 | son | Butcher | Kansas |
| 70 | John G Hankamer | 66 | Head | Labor | Kansas |
| 71 | Rosa Hankamer | 53 | Wife | Housework | Kansas |
| 72 | Frank Hunters | 37 | Head | Clerk | Kansas |
| 73 | Emma Hunters | 33 | wife | Housewife | Kansas |
| 74 | Frank Jr Hunters | 15 | son | News Boy | Kansas |
| 75 | George Hunters | 12 | son | — | Kansas |
| 76 | Patricia Hunters | 10 | daughter | — | Kansas |
| 77 | John F Baker | 60 | Head | — | Kansas |
| 78 | Ethel Baker | 42 | wife | — | Kansas |
| 79 | June Baker | 15 | daughter | Housework | Kansas |
| 80 | Jack Baker | 12 | son | — | Kansas |
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)