MS
Marvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Nelson-County, Kentucky
Our Model Tree links this Marvin Smith across the 1920, 1930 and 1940 US Censuses in Nelson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Walter & Walter — first a son (b.~1911), then head of a 6-person household.
Age 29
b. ~1911
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Nelson-County, Kentucky |
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Nelson |
| Additional Details | |
| Occupation | Same place |
| Industry | 26 |
| Highest Grade | No 6 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Same Place |
| Township / Ward | Bardstown City |
| Est. Birth Year | ~1911 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marvin | Age | Birth yr |
|---|---|---|---|---|
| J Smith | Son | — | 13 | ~1927 |
| Alma Smith | Spouse | — | 53 | ~1887 |
| Marvin Smith | Son | — | 29 | ~1911 |
| Walter Smith | Head | — | 57 | ~1883 |
| Sarah Smith | Daughter | — | 16 | ~1924 |
| A Smith | Daughter | — | 21 | ~1919 |
Census Appearances
1920
Nelson, Kentucky
Son, age 9
Nelson, Kentucky · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Nelson, Kentucky
Son, age 19
Nelson, Kentucky · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Painter |
| Industry | House & Sign |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Nelson-County, Kentucky
Son, age 29
Nelson-County, Kentucky · implied b. ~1911 — 6 household members
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (County) | Nelson |
| Occupation | Same place |
| Industry | 26 |
| Highest Grade | No 6 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Marvin Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Walter Smith (~0.92 confidence) and father Walter Smith (~0.92 confidence) and mother Alma Smith (~0.92 confidence) and father Walter Smith (~0.92 confidence) and mother Alma Smith (~0.92 confidence) and mother Alma Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Walter Smith
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Walter Smith
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Alma Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Father
Walter Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Alma Smith
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Alma Smith
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marvin Smith
Son · 1940 · age 29 · b. ~1911 · Kentucky
★ You are viewing this record
Sibling
A Smith
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Smith
Sibling · 1940 · age 16
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 — Nelson-County, Kentucky
Open full size
1940 US Federal Census — Nelson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01345-00126)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd Mattingly | 2 | Son | Same Place | Kentucky |
| 2 | Gladys R Mattingly | 0 | Son | Same Place | Kentucky |
| 3 | Nicholas T Snider | 23 | Head | Lineman | Kentucky |
| 4 | Corine Snider | 20 | Wife | — | Kentucky |
| 5 | Darlene Snider | 2 | Daughter | — | Kentucky |
| 6 | Samuel Tichenor | 25 | Lodger | Groundman | Kentucky |
| 7 | A D Moore | 37 | Head | Carpenter | Kentucky |
| 8 | Arles Howard | 52 | Head | Same Place | Kentucky |
| 9 | Charles A Howard | 48 | Wife | Same Place | Kentucky |
| 10 | Hugh C Howard | 18 | Son | Same Place | Kentucky |
| 11 | Ernest M Howard | 15 | Son | Same Place | Kentucky |
| 12 | Lenard P Howard | 12 | Son | Same Place | Kentucky |
| 13 | William Cecil | 47 | Head | Same Place | Kentucky |
| 14 | Mary E Cecil | 40 | Wife | Same Place | Kentucky |
| 15 | Elmer Cecil | 21 | Son | Same Place | Kentucky |
| 16 | Oscar Cecil | 18 | Son | Same Place | Kentucky |
| 17 | Gilbert Cecil | 16 | Son | Same Place | Kentucky |
| 18 | Donadis Cecil | 15 | Son | Same Place | Kentucky |
| 19 | Owen Cecil | 10 | Son | Same Place | Kentucky |
| 20 | Randal Cecil | 5 | Son | Same Place | Kentucky |
| 21 | Ann Cecil | 2 | Daughter | Same Place | Kentucky |
| 22 | Benjamin E Whilcher | 57 | Head | Same Place | Kentucky |
| 23 | Ruth Whilcher | 46 | Wife | Same Place | Kentucky |
| 24 | Sara Whilcher | 17 | Daughter | Same Place | Kentucky |
| 25 | Ruth E Whilcher | 13 | Daughter | Same Place | Kentucky |
| 26 | Hubert Whilcher | 10 | Son | Same Place | Kentucky |
| 27 | Walter Smith | 57 | Head | Same Place | Kentucky |
| 28 | Alma M Smith | 53 | Wife | Same Place | Kentucky |
| 29 | Marvin Smith THIS PERSON | 29 | Son | Same Place | Kentucky |
| 30 | A Marie Smith | 21 | Daughter | Same Place | Kentucky |
| 31 | Sarah J Smith | 16 | Daughter | Same Place | Kentucky |
| 32 | J Walter Jr Smith | 13 | Son | Same Place | Kentucky |
| 33 | Herbert Durham | 73 | Head | Same Place | Kentucky |
| 34 | Allie Durham | 68 | Wife | Same Place | Kentucky |
| 35 | Pope Durham | 40 | Son | Same Place | Kentucky |
| 36 | Mary C Durham | 34 | Daughter | Same Place | Kentucky |
| 37 | R C Hamilton | 68 | Head | Same Place | Kentucky |
| 38 | Bernadette Hamilton | 55 | Wife | Same Place | Kentucky |
| 39 | W Francis Thompson | 24 | Head | Chainman | Kentucky |
| 40 | Gertrude Thompson | 23 | Wife | — | Kentucky |
Pedigree Summary
Marvin + 3 siblings
Gen 1 · 6 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)