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Herbert Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this Herbert Davis across the 1920, 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed), with identified parents Elmer & James — first a son (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | laborer |
| Industry | music studio |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 416 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Laborer |
| Township / Ward | Knoxville |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Herbert | Age | Birth yr |
|---|---|---|---|---|
| Mary Davis | Daughter | — | 17 | ~1923 |
| Clarence Davis | Son | — | 14 | ~1926 |
| Anna Davis | Spouse | — | 51 | ~1889 |
| James Davis | Head | — | 57 | ~1883 |
| Chas Davis | Son | — | 25 | ~1915 |
| Carl Davis | Son | — | 28 | ~1912 |
| Hazel Davis | Daughter | — | 30 | ~1910 |
| Herbert Davis | Son | — | 21 | ~1919 |
Census Appearances
1920
Anderson, Tennessee
Son, age
Anderson, Tennessee · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Knox, Tennessee
Son, age 11
Knox, Tennessee · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Son, age 21
Knox-County, Tennessee · implied b. ~1919 — 8 household members
| Surname | Davis |
| Given Name | Herbert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Occupation | laborer |
| Industry | music studio |
| Class of Worker | PW |
| Hours Worked | 8 |
| Income (1939) | 416 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Herbert Davis across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Elmer Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and father James Davis (~0.92 confidence) and mother Anna Davis (~0.92 confidence) and mother Cassie Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Elmer Davis
b. ~1872
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1883
Source father
● Household
· direct · ~0.92
Father
James Davis
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Anna Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Cassie Davis
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Herbert Davis
Son · 1940 · age 21 · b. ~1919 · Tennessee
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Sibling
Clarence Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hazel Davis
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Davis
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Davis
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chas Davis
Sibling · 1940 · age 25
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 — Knox-County, Tennessee
Open full size
1940 US Federal Census — Knox-County, Tennessee
Page Contents
14 people indexed on this census page (nara:1940:m-t0627-03956-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert Lowe Reeder | 8 | son | — | Tennessee |
| 42 | J. M. Tucker | 43 | head | Professor | S. Carolina |
| 43 | Susanna Tucker | 40 | wife | — | S. Carolina |
| 44 | Eleanor Tucker | 9 | daughter | — | S. Carolina |
| 45 | James N. Davis | 57 | head | Truck Driver | Tennessee |
| 46 | Anna Davis | 51 | wife | — | Tennessee |
| 47 | Hazel Davis | 30 | daughter | Waitress | Tennessee |
| 48 | Carl Davis | 28 | son | Cake Baker | Tennessee |
| 49 | Chas Davis | 25 | son | Soda Jerker | Tennessee |
| 50 | Herbert Davis THIS PERSON | 21 | son | Laborer | Tennessee |
| 51 | Mary Davis | 17 | daughter | — | Tennessee |
| 52 | Clarence Davis | 14 | son | — | Tennessee |
| 53 | Adam Hancock | 52 | head | Foreman Foundry | Tennessee |
| 54 | Edna Hancock | 49 | wife | — | Tennessee |
Pedigree Summary
Herbert + 5 siblings
Gen 1 · 5 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)