JS
John Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Shelby-County, Tennessee
Our Model Tree links this John Smith across the 1920, 1930 and 1940 US Censuses in Shelby-County, Tennessee (XGBoost, ~Confirmed), with identified parents Thomas & Ellen — first a head (b.~1904), then head of a 8-person household.
Age 36
b. ~1904
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Shelby-County, Tennessee |
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Memphis City |
| 1935 Residence (County) | Shelby |
| Additional Details | |
| Occupation | Laborer |
| Industry | Wholesale Lumber Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 380 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Laborer |
| Township / Ward | Memphis City |
| Est. Birth Year | ~1904 |
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 |
|---|---|---|---|---|
| Arnella Smith | Daughter | — | 10 | ~1930 |
| John Smith | Head | — | 36 | ~1904 |
| Lawrence Smith | Son | — | 5 | ~1935 |
| Robert Smith | Son | — | ~1940 | |
| John Smith | Son | — | 13 | ~1927 |
| Raymond Smith | Son | — | 2 | ~1938 |
| Audrey Smith | Son | — | 7 | ~1933 |
| Irene Smith | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Shelby, Tennessee
Son, age 17
Shelby, Tennessee · implied b. ~1903 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Shelby, Tennessee
Head, age 26
Shelby, Tennessee · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 25 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | Laborer |
| Industry | Packing House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 18 |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Shelby-County, Tennessee
Head, age 36
Shelby-County, Tennessee · implied b. ~1904 — 8 household members
| Surname | Smith |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Memphis City |
| 1935 Residence (County) | Shelby |
| Occupation | Laborer |
| Industry | Wholesale Lumber Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 380 |
| Highest Grade | No 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 John Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Smith (~0.92 confidence) and mother Ellen Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Smith
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Ellen Smith
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Smith
Head · 1940 · age 36 · b. ~1904 · Tennessee
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Shelby-County, Tennessee
Open full size
1940 US Federal Census — Shelby-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03968-00494)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlie Pierce | 28 | Head | Wholesale Cotton Oil Co | Tennessee |
| 42 | Tine Pierce | 28 | Wife | Maid | Mississippi |
| 43 | John Jones | 33 | Head | Laborer | Mississippi |
| 44 | Corrie Jones | 32 | Wife | Fish Dresser | Tennessee |
| 45 | Edna Jones | 15 | Daughter | — | Tennessee |
| 46 | Mildred Jones | 10 | Daughter | — | Tennessee |
| 47 | John Jr Jones | 8 | Son | — | Tennessee |
| 48 | Lulu Wilson | 60 | Mother-in-law | — | Tennessee |
| 49 | James Armour | 51 | Head | Laborer | Tennessee |
| 50 | Annie Armour | 45 | Wife | — | Tennessee |
| 51 | Willie Armour | 19 | Son | New Worker | Tennessee |
| 52 | James Jr Armour | 18 | Son | — | Tennessee |
| 53 | Catherine Armour | 13 | Daughter | — | Tennessee |
| 54 | Charles Ware | 22 | Head | Truck Driver | Mississippi |
| 55 | Viola Ware | 22 | Wife | — | Tennessee |
| 56 | Nathan Moore | 38 | Head | Laborer | Mississippi |
| 57 | Jessie Moore | 33 | Wife | — | Tennessee |
| 58 | Clyde Moore | 16 | Son | New Worker | Tennessee |
| 59 | J. B. Posey | 83 | Head | — | Virginia |
| 60 | — | None | — | — | — |
| 61 | Joseph Thompson | 47 | Head | Plaster Contractor | Tennessee |
| 62 | Bethoria Thompson | 38 | Wife | Cook | Tennessee |
| 63 | Joseph Jr. Thompson | 18 | Son | Caddie | Tennessee |
| 64 | James Thompson | 12 | Son | — | Tennessee |
| 65 | Hickman Johnson | 35 | Head | Wholesale Lumber Mill | Tennessee |
| 66 | Arlena Johnson | 25 | Wife | — | Tennessee |
| 67 | Stuart Llewellyn | 25 | Head | Laborer | Tennessee |
| 68 | Maidella Llewellyn | 17 | Wife | — | Tennessee |
| 69 | Lee Baskerville | 66 | Father-in-law | — | Tennessee |
| 70 | John Smith THIS PERSON | 36 | Head | Laborer | Tennessee |
| 71 | Irene Smith | 35 | Wife | — | Tennessee |
| 72 | John Jr Smith | 13 | Son | — | Tennessee |
| 73 | Arnella Smith | 10 | Daughter | — | Tennessee |
| 74 | Audrey Smith | 7 | Son | — | Tennessee |
| 75 | Lawrence Smith | 5 | Son | — | Tennessee |
| 76 | Raymond Smith | 2 | Son | — | Tennessee |
| 77 | Robert Smith | 0 | Son | — | Tennessee |
| 78 | George Barlow | 52 | Head | Farm Hand | Tennessee |
| 79 | Winnie Barlow | 48 | Wife | Maid | Tennessee |
| 80 | Babe Clay | 38 | Brother-in-law | Truck Driver | Tennessee |
Pedigree Summary
John
Gen 1 · 2 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)