MS
Marion Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · St.-Francois-County, Missouri
Our Model Tree links this Marion Smith across the 1920, 1930 and 1940 US Censuses in St.-Francois-County, Missouri (XGBoost, ~Confirmed), with identified parents William & William — first a son (b.~1917), then head of a 7-person household.
Age 23
b. ~1917
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Francois-County, Missouri |
| Surname | Smith |
| Given Name | Marion H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Esther |
| 1935 Residence (County) | St. Francois |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 988 |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Esther |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Marion | Age | Birth yr |
|---|---|---|---|---|
| Norma Smith | Daughter | — | 13 | ~1927 |
| William Smith | Head | — | 48 | ~1892 |
| Charles Pickering | Other | — | 28 | ~1912 |
| Marion Smith | Son | — | 23 | ~1917 |
| Irson Smith | Son | — | 16 | ~1924 |
| William Smith | Son | — | 19 | ~1921 |
| Ioma Smith | Spouse | — | 46 | ~1894 |
Census Appearances
1920
St Francois, …
Son, age 2
St Francois, Missouri · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marion |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
St Francois, …
Son, age 12
St Francois, Missouri · implied b. ~1918 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Marion H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
St.-Francois-County, Missouri
Son, age 23
St.-Francois-County, Missouri · implied b. ~1917 — 7 household members
| Surname | Smith |
| Given Name | Marion H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Esther |
| 1935 Residence (County) | St. Francois |
| Occupation | Laborer |
| Industry | Road Construction |
| Class of Worker | GW |
| Hours Worked | 60 |
| Income (1939) | 988 |
| Highest Grade | 4 |
| 1935 Residence | Same house |
| 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 Marion Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and father William Smith (~0.92 confidence) and mother Ioma Smith (~0.92 confidence) and mother Loma Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1892
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1892
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1893
Source father
● Household
· direct · ~0.92
Mother
Ioma Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Loma Smith
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Marion Smith
Son · 1940 · age 23 · b. ~1917 · Missouri
★ You are viewing this record
Sibling
Irson Smith
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norma Smith
Sibling · 1940 · age 13
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.-Francois-County, Missouri
Open full size
1940 US Federal Census — St.-Francois-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02146-00863)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Beulah F. Stotler | 23 | Daughter | Secretary | Missouri |
| 2 | Harry H. Doerle | 43 | Head | Carpenter | Missouri |
| 3 | Pearl G. Doerle | 40 | Wife | — | Michigan |
| 4 | Zelpha J. Doerle | 15 | Daughter | — | Ohio |
| 5 | Donald P. Doerle | 14 | Son | — | Indiana |
| 6 | Norman H. Doerle | 12 | Son | — | Missouri |
| 7 | Harriett I. Doerle | 10 | Daughter | — | Missouri |
| 8 | Howard W. Doerle | 9 | Son | — | Indiana |
| 9 | Charley A. Clannch | 60 | Head | Engineer | Arkansas |
| 10 | Nellie M. Clannch | 50 | Wife | — | Missouri |
| 11 | Jackson Clannch | 23 | Son | Attendant | Missouri |
| 12 | Freda G. Clannch | 18 | Daughter | — | Missouri |
| 13 | Charles Clannch | 17 | Son | — | Missouri |
| 14 | Harry F. Clannch | 14 | Son | — | Missouri |
| 15 | Mary E. Clannch | 13 | Daughter | — | Missouri |
| 16 | Edward G. Clannch | 8 | Son | — | Missouri |
| 17 | Thomas H. Upton | 42 | Head | Salesman | Missouri |
| 18 | Esther Upton | 40 | Wife | Secretary | Missouri |
| 19 | Elene E. Upton | 15 | Daughter | — | Missouri |
| 20 | Herbert G. Upton | 13 | Son | — | Missouri |
| 21 | Billy R. Upton | 11 | Son | — | Missouri |
| 22 | Albert W. Decker | 54 | Head | Miner | Missouri |
| 23 | Imajene Decker | 19 | Daughter | — | Missouri |
| 24 | Harold E. Decker | 14 | Son | — | Missouri |
| 25 | Merrill A. Decker | 12 | Son | — | Missouri |
| 26 | Betty J. Decker | 9 | Daughter | — | Missouri |
| 27 | Anna Lowery | 33 | Head | Laundress | Missouri |
| 28 | Beulah M. Lowery | 15 | Daughter | — | Missouri |
| 29 | William M. Smith | 48 | Head | Laborer | Missouri |
| 30 | Ioma B. Smith | 46 | Wife | — | Missouri |
| 31 | Marion H. Smith THIS PERSON | 23 | Son | Laborer | Missouri |
| 32 | William F. Smith | 19 | Son | Laborer | Missouri |
| 33 | Irson W. Smith | 16 | Son | — | Missouri |
| 34 | Norma M. Smith | 13 | Daughter | — | Missouri |
| 35 | Charles E. Pickering | 28 | Step-son | Laborer | Missouri |
| 36 | Floyd D. Horn | 30 | Head | Blacksmith | Missouri |
| 37 | Imogene D. Horn | 30 | Wife | — | Missouri |
| 38 | Loran A. Horn | 8 | Son | — | Illinois |
| 39 | Bobby J. Fissell | 11 | Step-son | — | Missouri |
| 40 | Doris E. Fissell | 9 | Step-daughter | — | Missouri |
Pedigree Summary
Marion + 3 siblings
Gen 1 · 5 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)