JL
John Lyon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Tennessee
Our Model Tree links this John Lyon across the 1930 and 1940 US Censuses in Washington-County, Tennessee (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Tennessee |
| Surname | Lyon |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Johnson City City |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Albert Lyon | Son | — | 18 | ~1922 |
| Jerry Williams | Other | — | 3 | ~1937 |
| Minnie Lyon | Spouse | — | 39 | ~1901 |
| Harold Lyon | Son | — | 11 | ~1929 |
| John Lyon | Son | — | 16 | ~1924 |
| Mary Williams | Daughter | — | 19 | ~1921 |
| John Lyon | Head | — | 42 | ~1898 |
| Fred Williams | Other | — | 28 | ~1912 |
| Ruby Lyon | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Washington, Tennessee
Son, age 6
Washington, Tennessee · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lyon |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Washington-County, Tennessee
Son, age 16
Washington-County, Tennessee · implied b. ~1924 — 9 household members
| Surname | Lyon |
| Given Name | John R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Johnson City City |
| 1935 Residence (County) | Washington |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 John Lyon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Lyon
Son · 1940 · age 16 · b. ~1924 · Tennessee
★ You are viewing this record
Sibling
Harold Lyon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Lyon
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Williams
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Lyon
Sibling · 1940 · age 14
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 — Washington-County, Tennessee
Open full size
1940 US Federal Census — Washington-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03944-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John R. Lyon | 42 | Head | Salesman | Tennessee |
| 42 | Minnie O. Lyon | 39 | Wife | — | Tennessee |
| 43 | Albert Lee Lyon | 18 | Son | Laborer | Tennessee |
| 44 | John R. Jr. Lyon THIS PERSON | 16 | Son | — | Tennessee |
| 45 | Ruby Lyon | 14 | Daughter | — | Tennessee |
| 46 | Harold Lyon | 11 | Son | — | Tennessee |
| 47 | Fred B. Williams | 28 | Son-in-law | Wood Carver | Tennessee |
| 48 | Mary Ruth Williams | 19 | Daughter | — | Tennessee |
| 49 | Jerry Dale Williams | 3 | Grandson | — | Tennessee |
| 50 | Odis Lambrith | 30 | Head | Cabinet Maker | N. Carolina |
| 51 | Gorney Guy | 20 | Lodger | Farm Laborer | N. Carolina |
| 52 | Ike Johnson | 31 | Head | Planer | N. Carolina |
| 53 | Margie Johnson | 28 | Wife | — | N. Carolina |
| 54 | R. B. Johnson | 8 | Son | — | N. Carolina |
| 55 | Lena Johnson | 5 | Daughter | — | N. Carolina |
| 56 | Evelie Johnson | 2 | Daughter | — | N. Carolina |
| 57 | Dave Stout | 21 | Head | Laborer | Tennessee |
| 58 | Hope O. Stout | 21 | Wife | Quiller | Tennessee |
| 59 | Charles Stout | 7 | Son | — | Tennessee |
| 60 | Harrison Stout | 3 | Son | — | Tennessee |
| 61 | Ernest Stout | 2 | Son | — | Tennessee |
| 62 | Edward J. Sr. Hyatt | 27 | Head | Rack Puller | Tennessee |
| 63 | Liza Pauline Hyatt | 20 | Wife | — | Tennessee |
| 64 | Edward J. Jr. Hyatt | 5 | Son | — | Tennessee |
| 65 | Bobbie E. Hyatt | 2 | Son | — | Tennessee |
| 66 | Dewey Stout | 40 | Head | Caretaker | Tennessee |
| 67 | Lena Stout | 39 | Wife | — | Tennessee |
| 68 | Dewey Jr. Stout | 19 | Son | Laborer | Tennessee |
| 69 | Mary Stout | 16 | Daughter | — | Tennessee |
| 70 | Jack Stout | 13 | Son | — | Tennessee |
| 71 | [Line Blank] | None | — | — | — |
| 72 | Roy J. Booker | 42 | Head | Machinist | Tennessee |
| 73 | Florence Booker | 35 | Wife | — | Tennessee |
| 74 | James Booker | 12 | Son | — | Tennessee |
| 75 | Fred Booker | 10 | Son | — | Tennessee |
| 76 | Lois Booker | 8 | Daughter | — | Tennessee |
| 77 | Nancy Booker | 7 | Daughter | — | Tennessee |
| 78 | Sarah Booker | 5 | Daughter | — | Tennessee |
| 79 | Maynard Booker | 3 | Son | — | Tennessee |
| 80 | William P. Shepherd | 23 | Head | Laborer | Tennessee |
Related Census Records
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)