JL
John Lambert — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Claiborne-County, Tennessee
Our Model Tree links this John Lambert across the 1920, 1930 and 1940 US Censuses in Claiborne-County, Tennessee (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 4-person household.
Age 79
b. ~1861
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Claiborne-County, Tennessee |
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 2 |
| 1935 Residence (County) | Claiborne |
| Additional Details | |
| Hours Worked | 70 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | District 2 |
| Est. Birth Year | ~1861 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Lambert | Head | — | 79 | ~1861 |
| Lonnie Lambert | Son | — | 26 | ~1914 |
| Loyd Lambert | Son | — | 22 | ~1918 |
| Lollie Lambert | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Claiborne, Tennessee
Head, age 59
Claiborne, Tennessee · implied b. ~1861 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Farmer |
| Industry | General farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Claiborne, Tennessee
Head, age 68
Claiborne, Tennessee · implied b. ~1862 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lambert |
| Given Name | John W. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 68 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Virginia |
| Occupation | Farmer |
| Industry | Gen. Farming |
| Class of Worker | O |
| Can Read/Write | No |
| Home Owned/Rented | O |
| Veteran | no |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Claiborne-County, Tennessee
Head, age 79
Claiborne-County, Tennessee · implied b. ~1861 — 4 household members
| Surname | Lambert |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 79 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | District 2 |
| 1935 Residence (County) | Claiborne |
| Hours Worked | 70 |
| Highest Grade | No 0 |
| 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 Lambert across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Lambert
Head · 1940 · age 79 · b. ~1861 · Tennessee
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Claiborne-County, Tennessee
Open full size
1940 US Federal Census — Claiborne-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03880-00326)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Jane Vanzant | 16 | Wife | — | Virginia |
| 42 | Isaac Vanzant | 33 | Head | Farming | Virginia |
| 43 | Arline Vanzant | 24 | Wife | — | Virginia |
| 44 | Dorothy Vanzant | 2 | Daughter | — | Virginia |
| 45 | Harley Vanzant | 3 | Head | — | Virginia |
| 46 | Green Vanzant | 13 | Head | — | Kentucky |
| 47 | L. C. Vanzant | 16 | Head | — | Virginia |
| 48 | Austin Ellison | 28 | Head | Farming | Tennessee |
| 49 | Ella Ellison | 24 | Wife | — | Tennessee |
| 50 | Lewis Ellison | 6 | Son | — | Tennessee |
| 51 | Apie Ellison | 4 | Daughter | — | Tennessee |
| 52 | Earl Ellison | 2 | Son | — | Tennessee |
| 53 | Murphy Viles | 42 | Head | Merchant | Kentucky |
| 54 | Roxie Viles | 40 | Wife | — | Tennessee |
| 55 | Bulah Viles | 15 | Daughter | — | Tennessee |
| 56 | John Lambert THIS PERSON | 79 | Head | — | Tennessee |
| 57 | Lollie Lambert | 44 | Wife | — | Tennessee |
| 58 | Lonnie B. Lambert | 26 | Son | Farming | Tennessee |
| 59 | Loyd Lambert | 22 | Son | Farming | Tennessee |
| 60 | Sanford Ester | 60 | Head | — | Tennessee |
| 61 | Floyd Ester | 36 | Son | Farming | Tennessee |
| 62 | Leola Sandefur | 25 | Daughter | — | Virginia |
| 63 | Dorothy Sandefur | 3 | Daughter | — | Tennessee |
| 64 | Chris Ship | 44 | Head | Farming | Virginia |
| 65 | Jo Anna Ship | 52 | Wife | — | Kentucky |
| 66 | Ola Ship | 24 | Daughter | — | Virginia |
| 67 | Ray Ship | 22 | Son | N.Y.A. Road | Virginia |
| 68 | Warn G. Ship | 19 | Son | Working On Farm | Virginia |
| 69 | Herbert Ship | 16 | Son | — | Tennessee |
| 70 | Telly Ship | 14 | Son | — | Tennessee |
| 71 | Janita Ship | 11 | Daughter | — | Tennessee |
| 72 | Christine Ship | 8 | Daughter | — | Tennessee |
| 73 | Hazel Jocia Ship | 5 | Daughter | — | Tennessee |
| 74 | Daniel Carson Ship | 2 | Son | — | Tennessee |
| 75 | Lazon Sandefur | 37 | Head | Farming | Virginia |
| 76 | Lucy Sandefur | 36 | Wife | — | Tennessee |
| 77 | Dianey Ruby Sandefur | 11 | Daughter | — | Tennessee |
| 78 | Pearlie Sandefur | 8 | Daughter | — | Tennessee |
| 79 | Oval Sandefur | 16 | Son | — | Tennessee |
| 80 | Eugene Sandefur | 10 | Son | — | Tennessee |
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)