OS
Oscar Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Marshall, Iowa
Our Model Tree links this Oscar Smith across the 1900, 1910 and 1920 US Censuses in Marshall, Iowa (XGBoost, ~Confirmed), with identified parents Henry & Emma — first a son (b.~1898), then head of a 5-person household.
Age 22
b. ~1898
Male
Son
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Marshall, Iowa |
| Surname | Smith |
| Given Name | Oscar H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Minerva Township |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Lubia Smith | Daughter | — | 24 | ~1896 |
| Emma Smith | Head | — | 51 | ~1869 |
| Lamon Buschham | Other | — | 5 | ~1915 |
| Oscar Smith | Son | — | 22 | ~1898 |
| Harley Smith | Son | — | 21 | ~1899 |
Census Appearances
1900
Marshall, Iowa
Son, age 3
Marshall, Iowa · implied b. ~1897 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Birth Month | Aug |
| Birth Year | 1897 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1910
Marshall, Iowa
Son, age 12
Marshall, Iowa · implied b. ~1898 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Marshall, Iowa
Son, age 22
Marshall, Iowa · implied b. ~1898 — 5 household members
| Surname | Smith |
| Given Name | Oscar H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Illinois |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Oscar Smith across 3 US Census years (1900, 1910 and 1920) in Marshall, Iowa, using XGBoost record linkage. Identified parents: father Henry Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence) and mother Emma Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Smith
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Emma Smith
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Smith
Son · 1920 · age 22 · b. ~1898 · Iowa
★ You are viewing this record
Sibling
Lubia Smith
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harley Smith
Sibling · 1920 · age 21
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
1920 US Federal Census — Marshall, Iowa
Open full size
1920 US Federal Census — Marshall, Iowa
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu502unit:0285)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Edwin E Edwards | 5 | Son | — | Iowa |
| 52 | Florence I Edwards | 3 | Daughter | — | Iowa |
| 53 | Dorrene A Edwards | 1 | Daughter | — | Iowa |
| 54 | George B Davis | 56 | Head | Farmer | Wales |
| 55 | Emma Davis | 50 | Wife | — | Iowa |
| 56 | Walter Davis | 23 | Son | Farmer | Iowa |
| 57 | Earl G Davis | 22 | Son | — | Iowa |
| 58 | Mildred M Davis | 14 | Daughter | — | Iowa |
| 59 | Vernon E Schaper | 4 | Nephew | — | Iowa |
| 60 | Fred A Honsch | 31 | Head | Farmer | South Dakota |
| 61 | Alpha L Honsch | 28 | Wife | — | Iowa |
| 62 | Lloyd D Honsch | 4 | Son | — | South Dakota |
| 63 | Jack C Honsch | 4 | Daughter | — | South Dakota |
| 64 | August F Lahr | 21 | Hired man | Farm Laborer | Iowa |
| 65 | Beatrice Commesser | 12 | Boarder | — | Iowa |
| 66 | Louis A Hermann | 59 | Head | Farmer | Iowa |
| 67 | Anna Hermann | 42 | Wife | — | Iowa |
| 68 | Lulu Hermann | 15 | Daughter | — | Iowa |
| 69 | Lawrence E Hendershot | 28 | Head | Farm Laborer | Iowa |
| 70 | Edna L Hendershot | 25 | Wife | — | Missouri |
| 71 | Howard M Hendershot | 3 | Son | — | Iowa |
| 72 | Wayne D Hendershot | 1 | Son | — | Iowa |
| 73 | Jacob H Hendershot | 64 | Father | — | Iowa |
| 74 | Freddie Hendershot | 11 | Nephew | — | Iowa |
| 75 | Fred L Malloy | 28 | Head | Farmer | South Dakota |
| 76 | Florence G Malloy | 28 | Wife | — | Iowa |
| 77 | Gerrard W Malloy | 6 | Son | — | South Dakota |
| 78 | Rita M Malloy | 2 | Daughter | — | South Dakota |
| 79 | Jessie L Malloy | 1 | Daughter | — | South Dakota |
| 80 | Howard D Hendershot | 22 | Hired man | — | Iowa |
| 81 | Emma H Smith | 51 | Head | Manager | Illinois |
| 82 | Lubia E Smith | 24 | Daughter | — | Iowa |
| 83 | Oscar H Smith THIS PERSON | 22 | Son | Farm Laborer | Iowa |
| 84 | Harley Smith | 21 | Son | Farm Laborer | Iowa |
| 85 | Lamon Buschham | 5 | Nephew | — | Iowa |
| 86 | Harley L Holle | 32 | Head | Farmer | Iowa |
| 87 | Pearl T Holle | 27 | Wife | — | Missouri |
| 88 | Olvira J Holle | 9 | Daughter | — | Iowa |
| 89 | Velma O Holle | 7 | Daughter | — | Iowa |
| 90 | William U Holle | 2 | Son | — | Iowa |
| 91 | Raymond Helpening | 18 | Hired man | Farmer | Iowa |
| 92 | August Thode | 47 | Head | Farmer | Iowa |
| 93 | Lena Thode | 43 | Wife | — | Iowa |
| 94 | Ida Thode | 14 | Daughter | — | Iowa |
| 95 | Hilda Thode | 8 | Daughter | — | Iowa |
| 96 | Clayton H Schuler | 16 | Hired man | Farm Laborer | Iowa |
| 97 | Fred H Inlow | 28 | Head | Farmer | Iowa |
| 98 | Mary E Inlow | 27 | Wife | — | Montana |
| 99 | Dennis D Inlow | 6 | Son | — | Minnesota |
| 100 | Maureen M Inlow | 5 | Daughter | — | Iowa |
Pedigree Summary
Oscar + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)