WB
William Black — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lyon-County, Kansas
Our Model Tree links this William Black across the 1920, 1930 and 1940 US Censuses in Lyon-County, Kansas (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lyon-County, Kansas |
| Surname | Black |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Emporia City |
| 1935 Residence (County) | Lyon |
| Additional Details | |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 480 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Baker |
| Township / Ward | Emporia City |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Robert Blank | Head | — | 55 | ~1885 |
| Eva Black | Other | — | 22 | ~1918 |
| Ronald Black | Other | — | 1 | ~1939 |
| William Black | Son | — | 22 | ~1918 |
| Leona Blank | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Lyon, Kansas
Son, age 2
Lyon, Kansas · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Willie Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Lyon, Kansas
Son, age 12
Lyon, Kansas · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Black |
| Given Name | Willis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Lyon-County, Kansas
Son, age 22
Lyon-County, Kansas · implied b. ~1918 — 5 household members
| Surname | Black |
| Given Name | William E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Emporia City |
| 1935 Residence (County) | Lyon |
| Occupation | Baker |
| Industry | Bakery |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 480 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 Black across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Black (~0.92 confidence) and father Robert Blank (~0.92 confidence) and father Robert Black (~0.92 confidence) and mother Leona Blank (~0.92 confidence) and mother Gema Black (~0.92 confidence) and mother Leona Black (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Black
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Robert Blank
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Robert Black
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Leona Blank
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Gema Black
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Leona Black
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Black
Son · 1940 · age 22 · b. ~1918 · Kansas
★ 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 — Lyon-County, Kansas
Open full size
1940 US Federal Census — Lyon-County, Kansas
Page Contents
10 people indexed on this census page (nara:1940:m-t0627-01242-00347)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Blank | 55 | Head | Custodian | Kansas |
| 2 | Leona Blank | 50 | Wife | — | Kansas |
| 3 | William E Black THIS PERSON | 22 | Son | Baker | Kansas |
| 4 | Eva Black | 22 | Daughter-in-law | — | Canada |
| 5 | Ronald Black | 1 | Grandson | — | Kansas |
| 6 | Laura Wells | 51 | Head | Teacher | Kansas |
| 7 | Arthur Specht | 27 | Head | Service Sta | Kansas |
| 8 | Anna Specht | 29 | Wife | — | Kansas |
| 9 | Julia Katherine Johnson | 0 | Daughter | — | Kansas |
| 10 | Rosa Gravatt | 63 | Mother-in-law | — | Kansas |
Pedigree Summary
William
Gen 1 · 6 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)