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John Vance — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Tennessee
Our Model Tree links this John Vance across the 1930 and 1940 US Censuses in Knox-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 8-person household.
Age 14
b. ~1926
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Tennessee |
| Surname | Vance |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Knoxville |
| Est. Birth Year | ~1926 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Samuel Vance | Son | — | 21 | ~1919 |
| Flora Vance | Spouse | — | 58 | ~1882 |
| Anna Vance | Daughter | — | 26 | ~1914 |
| Taylor Vance | Son | — | 16 | ~1924 |
| Samuel Vance | Head | — | 61 | ~1879 |
| Edna Vance | Daughter | — | 30 | ~1910 |
| John Vance | Son | — | 14 | ~1926 |
| Iva Vance | Daughter | — | 24 | ~1916 |
Census Appearances
1930
Knox, Tennessee
Son, age 4
Knox, Tennessee · implied b. ~1926 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Vance |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Knox-County, Tennessee
Son, age 14
Knox-County, Tennessee · implied b. ~1926 — 8 household members
| Surname | Vance |
| Given Name | John M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Knoxville |
| 1935 Residence (County) | Knox |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 John Vance across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Vance
Son · 1940 · age 14 · b. ~1926 · Tennessee
★ You are viewing this record
Sibling
Edna Vance
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Vance
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Vance
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Taylor Vance
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iva Vance
Sibling · 1940 · age 24
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
39 people indexed on this census page (nara:1940:m-t0627-03957-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jesse Lee Presley | 38 | Head | Spinning Foreman | Tennessee |
| 42 | Sarah Louise Presley | 38 | Wife | — | Tennessee |
| 43 | Morris B. Robinson | 52 | Head | Dealer | Russia |
| 44 | Rose Marie Robinson | 40 | Wife | Helper | Russia |
| 45 | Delores Robinson | 17 | Daughter | — | Tennessee |
| 46 | David Lee Robinson | 11 | Son | — | Tennessee |
| 47 | Shirley Frances Robinson | 9 | Daughter | — | Tennessee |
| 48 | Ella Smith | 40 | Maid | Maid | Tennessee |
| 49 | Frank L. Daret | 64 | Head | Office Clerk | Virginia |
| 50 | Ola Daret | 58 | Wife | — | Georgia |
| 51 | Frank D. Mcdave | 22 | Nephew | Accountant | Georgia |
| 52 | Samuel X. Vance | 61 | Head | Flagman | Tennessee |
| 53 | Flora Vance | 58 | Wife | — | Tennessee |
| 54 | Edna Vance | 30 | Daughter | Mail Clerk | Tennessee |
| 55 | Anna Maud Vance | 26 | Daughter | Office Work | Tennessee |
| 56 | Samuel Vance | 21 | Son | New Worker | Tennessee |
| 57 | Iva Vance | 24 | Daughter | Stenographer | Tennessee |
| 58 | Taylor Vance | 16 | Son | — | Tennessee |
| 59 | John M. Vance THIS PERSON | 14 | Son | — | Tennessee |
| 61 | Miller Humphrey | 53 | Head | Clerk | Tennessee |
| 62 | Dassie Humphrey | 48 | Wife | — | Tennessee |
| 63 | Lucille Humphrey | 26 | Daughter | Machine Operator | Tennessee |
| 64 | Velma Humphrey | 23 | Daughter | Machine Operator | Tennessee |
| 65 | Pauline Humphrey | 15 | Daughter | — | Tennessee |
| 66 | Buford Johnson | 34 | Son-in-law | Presser | Tennessee |
| 67 | Lucy Johnson | 26 | Daughter | — | Tennessee |
| 68 | John Johnson | 4 | Grandson | — | Tennessee |
| 69 | Patsy Johnson | 2 | Granddaughter | — | Tennessee |
| 70 | P. Eugene Morgan | 64 | Head | — | Tennessee |
| 71 | Emma Morgan | 64 | Wife | — | Tennessee |
| 72 | Lillian Hope Morgan | 38 | Daughter | — | Tennessee |
| 73 | J. A. Thomas | 37 | Head | Machinist | Tennessee |
| 74 | Mary Lou Thomas | 33 | Wife | — | Tennessee |
| 75 | Jimmie Lou Thomas | 13 | Daughter | — | Tennessee |
| 76 | Harris E. Thomas | 9 | Son | — | Tennessee |
| 77 | Cecile Harris | 41 | Sister-in-law | Folder | Tennessee |
| 78 | Abe Zwick | 50 | Head | Dealer | Russia |
| 79 | Sarah Zwick | 46 | Wife | — | Russia |
| 80 | Nathan Zwick | 25 | Son | Helper | Ohio |
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)