WD
William Day — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hamblen-County, Tennessee
Our Model Tree links this William Day across the 1920, 1930 and 1940 US Censuses in Hamblen-County, Tennessee (XGBoost, ~Confirmed), with identified parents Anton & Samuel — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hamblen-County, Tennessee |
| Surname | Day |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 6 |
| 1935 Residence (County) | Hamblen |
| Additional Details | |
| Occupation | Delivery |
| Industry | Coca-Cola Bottling Co |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 360 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Delivery |
| Township / Ward | Civil District 6 |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Samuel Day | Head | — | 73 | ~1867 |
| William Day | Son | — | 23 | ~1917 |
| Kenneth Day | Son | — | 19 | ~1921 |
| Alton Day | Son | — | 21 | ~1919 |
| Anna Day | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Jefferson, Tennessee
Son, age 2
Jefferson, Tennessee · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Hamblen, Tennessee
Son, age 13
Hamblen, Tennessee · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Day |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Hamblen-County, Tennessee
Son, age 23
Hamblen-County, Tennessee · implied b. ~1917 — 5 household members
| Surname | Day |
| Given Name | William H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 6 |
| 1935 Residence (County) | Hamblen |
| Occupation | Delivery |
| Industry | Coca-Cola Bottling Co |
| Class of Worker | PW |
| Hours Worked | 10 |
| Income (1939) | 360 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Day across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Anton Day (~0.92 confidence) and father Samuel Day (~0.92 confidence) and mother Mary Day (~0.92 confidence) and mother Anna Day (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anton Day
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Samuel Day
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Mary Day
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Anna Day
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Day
Son · 1940 · age 23 · b. ~1917 · Tennessee
★ You are viewing this record
Sibling
Alton Day
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Day
Sibling · 1940 · age 19
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 — Hamblen-County, Tennessee
Open full size
1940 US Federal Census — Hamblen-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03897-00765)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrie (X) Fong | 35 | Wife | — | Tennessee |
| 2 | Trophine Fong | 3 | Daughter | — | Tennessee |
| 3 | Nancy Mary Fong | 0 | Daughter | — | Tennessee |
| 4 | Sallie (X) Day | 55 | Head | Farmer | Tennessee |
| 5 | Trophine Day | 18 | Daughter | Farmer | Tennessee |
| 6 | Connie (X) Nummy | 47 | Lodger | Farmer | Tennessee |
| 7 | Samuel (X) Day | 73 | Head | Farmer | Tennessee |
| 8 | Anna H. Day | 58 | Wife | — | Tennessee |
| 9 | William H. Day THIS PERSON | 23 | Son | Delivery | Tennessee |
| 10 | Alton Day | 21 | Son | Laborer | Tennessee |
| 11 | Kenneth Day | 19 | Son | Laborer | Tennessee |
| 12 | Steward Mahan | 32 | Head | Farmer | Tennessee |
| 13 | Edith Mahan | 20 | Wife | — | Tennessee |
| 14 | Charlie Houston | 29 | Head | Farmer | North Carolina |
| 15 | Velma Houston | 28 | Wife | — | Tennessee |
| 16 | Correin Houston | 8 | Daughter | — | Tennessee |
| 17 | Mary Lois Houston | 2 | Daughter | — | Tennessee |
| 18 | Henry Vailes | 52 | Head | Farmer | Tennessee |
| 19 | Hetta Vailes | 40 | Wife | — | South Carolina |
| 20 | Housta Vailes | 20 | Son | Laborer | Tennessee |
| 21 | Mary Vailes | 15 | Daughter | — | Tennessee |
| 22 | L. C. Vailes | 9 | Son | — | Tennessee |
| 23 | Price Ray Vailes | 7 | Son | — | Tennessee |
| 24 | Barbara Jean Vailes | 2 | Daughter | — | Tennessee |
| 25 | Herman Vailes | 1 | Son | — | Tennessee |
| 26 | George H. (X) Lynch | 59 | Head | Farmer | Tennessee |
| 27 | Willie Lynch | 27 | Son | Laborer | Tennessee |
| 28 | Dan Lynch | 8 | Grandson | — | Oklahoma |
| 29 | Glenn Lynch | 6 | Grandson | — | Tennessee |
| 30 | Isaac Gregg | 47 | Head | — | Tennessee |
| 31 | Carrie A. (X) Gregg | 52 | Wife | — | Nebraska |
| 32 | Porter Rhea | 46 | Head | Farmer | Tennessee |
| 33 | Jodie (X) Rhea | 45 | Wife | — | Tennessee |
| 34 | Bill Rhea | 17 | Son | Laborer | Tennessee |
| 35 | R. J. Rhea | 15 | Son | 0 | Tennessee |
| 36 | Georgia Rhea | 14 | Daughter | — | Tennessee |
| 37 | Sadie Coffey | 56 | Head | Farmer | Tennessee |
| 38 | Grace Coffey | 19 | Daughter | — | Kansas |
| 39 | Floyd Coffey | 18 | Son | Laborer | Tennessee |
| 40 | Sallie Mccoy | 39 | Head | 520 | Tennessee |
Pedigree Summary
William + 2 siblings
Gen 1 · 4 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)