MS
Marvin Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Charles-County, Missouri
Our Model Tree links this Marvin Smith across the 1920, 1930 and 1940 US Censuses in St.-Charles-County, Missouri (XGBoost, ~Confirmed), with identified parents Homer & Artillia — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Charles-County, Missouri |
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Wentzville |
| 1935 Residence (County) | St. Charles |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Stave Mill |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 260 |
| Highest Grade | 0-8 |
| 1935 Residence | Same home |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Truck Driver |
| Township / Ward | Wentzville |
| Est. Birth Year | ~1917 |
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 |
|---|---|---|---|---|
| Lillian Smith | Daughter | — | 18 | ~1922 |
| Homer Smith | Head | — | 42 | ~1898 |
| Arlie Smith | Son | — | 20 | ~1920 |
| Antelia Smith | Spouse | — | 41 | ~1899 |
| Homer Smith | Son | — | 15 | ~1925 |
| Marvin Smith | Son | — | 23 | ~1917 |
Census Appearances
1920
St Charles, …
Son, age 2
St Charles, Missouri · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Charles, …
Son, age 13
St Charles, Missouri · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Charles-County, Missouri
Son, age 23
St.-Charles-County, Missouri · implied b. ~1917 — 6 household members
| Surname | Smith |
| Given Name | Marvin |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Wentzville |
| 1935 Residence (County) | St. Charles |
| Occupation | Truck Driver |
| Industry | Stave Mill |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 260 |
| Highest Grade | 0-8 |
| 1935 Residence | Same home |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Homer Smith (~0.92 confidence) and mother Artillia Smith (~0.92 confidence) and father Homer Smith (~0.92 confidence) and mother Antelia Smith (~0.92 confidence) and father Homer Smith (~0.92 confidence) and mother Adelia Smith (~0.60 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.87
Father
Homer Smith
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Artillia Smith
b. ~1897
Source mother
● Household
· direct · ~0.92
Father
Homer Smith
b. ~1898
Source father
● Household
· direct · ~0.92
Mother
Antelia Smith
b. ~1899
Source mother
● Household
· direct · ~0.92
Father
Homer Smith
b. ~1904
Source father
● Household
· direct · ~0.92
Mother
Adelia Smith
b. ~1907
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Marvin Smith
Son · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Homer Smith
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arlie Smith
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Smith
Sibling · 1940 · age 18
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 — St.-Charles-County, Missouri
Open full size
1940 US Federal Census — St.-Charles-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02145-00055)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Willie Mae Cosby | 22 | Wife | — | Missouri |
| 42 | Leotis Jr. Cosby | 3 | Son | — | Missouri |
| 43 | Laurene Cosby | 12 | Daughter | — | Missouri |
| 44 | George Grady | 37 | Head | Laborer | Missouri |
| 45 | Claudia Grady | 38 | Wife | Dishwasher | Missouri |
| 46 | Ozella Grady | 1 | Daughter | — | Missouri |
| 47 | John France | 18 | Step-son | C.C.C. Camps | Missouri |
| 48 | Ellen France | 16 | Step-daughter | — | Missouri |
| 49 | Lindsay Brown | 73 | Head | — | Missouri |
| 50 | Delia Brown | 68 | Wife | — | Missouri |
| 51 | Homer Smith | 42 | Head | Dishwasher | Missouri |
| 52 | Antelia Smith | 41 | Wife | Cook | Missouri |
| 53 | Marvin Smith THIS PERSON | 23 | Son | Truck Driver | Missouri |
| 54 | Arlie Smith | 20 | Son | Stave Grader | Missouri |
| 55 | Lillian Smith | 18 | Daughter | Dishwasher | Missouri |
| 56 | Homer Jr. Smith | 15 | Son | — | Missouri |
| 57 | Jackson Williams | 49 | Head | Laborer | Missouri |
| 58 | Gertrude Williams | 38 | Wife | — | Missouri |
| 59 | Walter Wooten | 13 | Grandson | — | Missouri |
| 60 | James Gilbert | 11 | Grandson | — | Missouri |
| 61 | Helen Stephens | 25 | Head | — | Missouri |
| 62 | Kirby V. Weir | 31 | Head | Proprietor | Missouri |
| 63 | Melvin F. Maritz | 39 | Head | Proprietor | Missouri |
| 64 | Edna Maritz | 38 | Wife | — | Missouri |
| 65 | Robert Maritz | 8 | Son | — | Missouri |
| 66 | Ramona Maritz | 6 | Daughter | — | Missouri |
| 67 | Mary Jeanette Maritz | 3 | Daughter | — | Missouri |
| 68 | Norman Maritz | 1 | Son | — | Missouri |
| 69 | John Brockmann | 53 | Head | Bartender | Missouri |
| 70 | Alma Brockmann | 53 | Wife | Presser | Missouri |
| 71 | Vernon Brockmann | 18 | Son | Clerk | Missouri |
| 72 | August E. Almeling | 45 | Head | Rural Mail Carrier | Missouri |
| 73 | Laura Almeling | 44 | Wife | — | Missouri |
| 74 | Dorothy Almeling | 18 | Daughter | — | Missouri |
| 75 | Maynard Almeling | 15 | Son | — | Missouri |
| 76 | Lucille Almeling | 14 | Daughter | — | Missouri |
| 77 | Vernon Almeling | 12 | Son | — | Missouri |
| 78 | Bernice Almeling | 9 | Daughter | — | Missouri |
| 79 | Richard L. Anslem | 48 | Head | Live Stock Dealer | Missouri |
| 80 | Addie Anslem | 51 | Wife | — | Missouri |
Pedigree Summary
Marvin + 3 siblings
Gen 1 · 6 parents
~0.87
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)