RS
Ray Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Bon-Homme-County, South Dakota
Our Model Tree links this Ray Smith across the 1920, 1930 and 1940 US Censuses in Bon-Homme-County, South Dakota (XGBoost, ~Confirmed), with identified parents Charles & Charles — first a son (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Male
Son
Born: South Dakota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bon-Homme-County, South Dakota |
| Surname | Smith |
| Given Name | Ray W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Bon Homme |
| Additional Details | |
| Occupation | Labour |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
| Occupation | Labour |
| Township / Ward | Springfield Township |
| Est. Birth Year | ~1919 |
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 Ray | Age | Birth yr |
|---|---|---|---|---|
| Arlene Smith | Daughter | — | 19 | ~1921 |
| Charles Smith | Head | — | 61 | ~1879 |
| Ray Smith | Son | — | 21 | ~1919 |
| Alita Smith | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Bon Homme, …
Son, age 1
Bon Homme, South Dakota · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1930
Bon Homme, …
Son, age 11
Bon Homme, South Dakota · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | South Dakota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
1940
Bon-Homme-County, South …
Son, age 21
Bon-Homme-County, South Dakota · implied b. ~1919 — 4 household members
| Surname | Smith |
| Given Name | Ray W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | South Dakota |
| 1935 Residence (City) | Springfield Township |
| 1935 Residence (County) | Bon Homme |
| Occupation | Labour |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | South Dakota |
| Birth Country | United States |
| Birthplace (normalized) | south dakota |
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 Ray Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and father Charles Smith (~0.92 confidence) and mother Adela Smith (~0.92 confidence) and mother Alita Smith (~0.92 confidence) and mother Lula Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Charles Smith
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Adela Smith
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Alita Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lula Smith
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ray Smith
Son · 1940 · age 21 · b. ~1919 · South Dakota
★ You are viewing this record
Sibling
Arlene Smith
Sibling · 1940 · age 19
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 — Bon-Homme-County, South Dakota
Open full size
1940 US Federal Census — Bon-Homme-County, South Dakota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03848-00237)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Martha Christina | 77 | Mother | — | Denmark |
| 2 | Robert M. Dempster | 54 | Head | Farmer | Iowa |
| 3 | Jane H. Dempster | 51 | Wife | — | South Dakota |
| 4 | Dwight Dempster | 17 | Son | Labour | South Dakota |
| 5 | Marlen K. Dempster | 14 | Daughter | — | South Dakota |
| 6 | Eloia Dempster | 93 | Mother | — | Illinois |
| 7 | Charles A. Smith | 61 | Head | Farmer | Iowa |
| 8 | Alita Smith | 48 | Wife | Farmer | Iowa |
| 9 | Ray W. Smith THIS PERSON | 21 | Son | Labour | South Dakota |
| 10 | Arlene Smith | 19 | Daughter | Teacher | South Dakota |
| 11 | Joseph M. Povandra | 40 | Head | Farmer | South Dakota |
| 12 | Lottie Povandra | 33 | Wife | — | South Dakota |
| 13 | Marjorie Povandra | 14 | Daughter | — | South Dakota |
| 14 | Beatrice Povandra | 11 | Daughter | — | South Dakota |
| 15 | Romona Povandra | 2 | Daughter | — | South Dakota |
| 16 | John J. Wertz | 62 | Head | Farm Operator | South Dakota |
| 17 | Mary K. Wertz | 62 | Wife | — | South Dakota |
| 18 | William Wertz | 20 | Son | Farmer | South Dakota |
| 19 | John Wertz | 33 | Son | Farmer | South Dakota |
| 20 | Albina Wertz | 38 | Daughter-in-law | — | South Dakota |
| 21 | Fred J. Wertz | 36 | Head | Farmer | South Dakota |
| 22 | Elsie Wertz | 37 | Wife | — | South Dakota |
| 23 | Kenneth Wertz | 10 | Son | — | South Dakota |
| 24 | Lyle Wertz | 8 | Son | — | South Dakota |
| 25 | Remster Slade | 41 | Head | Farmer | South Dakota |
| 26 | Sylvia Slade | 40 | Wife | — | South Dakota |
| 27 | Robert V. Slade | 16 | Son | — | South Dakota |
| 28 | Arlene J. Slade | 13 | Daughter | — | South Dakota |
| 29 | James E. Slade | 9 | Son | — | South Dakota |
| 30 | Edward S. Balvin | 40 | Head | Farmer | South Dakota |
| 31 | Emily Balvin | 40 | Wife | — | South Dakota |
| 32 | Vera Balvin | 18 | Daughter | — | South Dakota |
| 33 | Hayes Balvin | 16 | Son | — | South Dakota |
| 34 | Mary Clochick | 76 | Mother-in-law | — | Czechoslovakia |
| 35 | Emil J. Uken | 49 | Head | Farmer | Iowa |
| 36 | Elizabeth Uken | 41 | Wife | — | Nebraska |
| 37 | E. Jaden Uken | 18 | Son | — | South Dakota |
| 38 | Leo E. Uken | 16 | Son | — | South Dakota |
| 39 | Leona J. Uken | 14 | Daughter | — | South Dakota |
| 40 | Lola Mae Uken | 12 | Daughter | — | South Dakota |
Pedigree Summary
Ray + 1 sibling
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)