RS
Roy Smith — 1920 US Census Record
Model Tree available1920 United States Federal Census · Isabella, Michigan
Our Model Tree links this Roy Smith across the 1920, 1930 and 1940 US Censuses in Isabella, Michigan (XGBoost, ~Confirmed), with identified parents Lloyd & Bert — first a son (b.~1915), then head of a 6-person household.
Age 5
b. ~1915
Male
Son
Born: Michigan
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Isabella, Michigan |
| Surname | Smith |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Nottawa Township |
| Est. Birth Year | ~1915 |
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 1920 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Albert Smith | Head | — | 33 | ~1887 |
| Raymond Smith | Son | — | 3 | ~1917 |
| Roy Smith | Son | — | 5 | ~1915 |
| Robert Smith | Son | — | ~1920 | |
| Richard Smith | Son | — | 2 | ~1918 |
| Beatty Smith | Spouse | — | 23 | ~1897 |
Census Appearances
1920
Isabella, Michigan
Son, age 5
Isabella, Michigan · implied b. ~1915 — 6 household members
| Surname | Smith |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Isabella, Michigan
Son, age 15
Isabella, Michigan · implied b. ~1915 — 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 | 15 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
Son, age 25
Isabella-County, Michigan · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Isabella |
| Occupation | Laborer |
| Industry | Farmer |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Roy Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lloyd Smith (~0.92 confidence) and father Bert Smith (~0.92 confidence) and father Albert Smith (~0.92 confidence) and mother Bertha Smith (~0.92 confidence) and mother Beatty Smith (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lloyd Smith
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Bert Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Albert Smith
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Bertha Smith
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Beatty Smith
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Smith
Son · 1920 · age 5 · b. ~1915 · Michigan
★ You are viewing this record
Sibling
Raymond Smith
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Smith
Sibling · 1920 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Smith
Sibling · 1920 · age
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 — Isabella, Michigan
Open full size
1920 US Federal Census — Isabella, Michigan
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu770unit:1046)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Juanita Jarman | 25 | Wife | — | Ohio |
| 2 | Felicia B Jarman | 1 | Daughter | — | Michigan |
| 3 | Albert Jarman | 63 | Father | — | Michigan |
| 4 | George A Jarman | 14 | Son | — | Michigan |
| 5 | Henry Simmer | 28 | Head | Farmer | Michigan |
| 6 | Helen Simmer | 25 | Wife | — | Michigan |
| 7 | Sylvester Schumacher | 27 | Head | Farmer | Michigan |
| 8 | Catherine Schumacher | 24 | Wife | — | Michigan |
| 9 | Theresa Schumacher | 1 | Daughter | — | Michigan |
| 10 | Harold Schumacher | 0 | Son | — | Michigan |
| 11 | Albert Smith | 33 | Head | Farmer | Michigan |
| 12 | Beatty Smith | 23 | Wife | — | Michigan |
| 13 | Roy Smith THIS PERSON | 5 | Son | — | Michigan |
| 14 | Raymond Smith | 3 | Son | — | Michigan |
| 15 | Richard Smith | 2 | Son | — | Michigan |
| 16 | Robert Smith | 0 | Son | — | Michigan |
| 17 | John Wollscheid | 66 | Head | Farmer | Germany |
| 18 | Clara Wollscheid | 56 | Wife | — | Germany |
| 19 | Mathias Wollscheid | 52 | Brother | Laborer | Germany |
| 20 | Golden Jackson | 37 | Head | Farmer | Ohio |
| 21 | Nora Jackson | 34 | Wife | — | Michigan |
| 22 | Richard G Jackson | 13 | Son | — | Michigan |
| 23 | Walter Jackson | 11 | Son | — | Michigan |
| 24 | Peter Smith | 72 | Head | Farmer | Germany |
| 25 | Anna M Smith | 63 | Wife | — | Germany |
| 26 | Joseph E Lynch | 29 | Head | Laborer | Michigan |
| 27 | Reba E Lynch | 23 | Wife | — | Michigan |
| 28 | Edward Lynch | 4 | Son | — | Michigan |
| 29 | Gretchen Lynch | 2 | Daughter | — | Michigan |
| 30 | Lenora Lynch | 0 | Daughter | — | Michigan |
| 31 | Jay Mcalvey | 33 | Head | Farmer | Ohio |
| 32 | Erma Mcalvey | 31 | Wife | — | Michigan |
| 33 | Claud H Blasen | 24 | Head | Farmer | Michigan |
| 34 | Kate Blasen | 53 | Head | Farmer | Michigan |
| 35 | Andrew Blasen | 14 | Son | — | Michigan |
| 36 | Anna Blasen | 13 | Daughter | — | Michigan |
| 37 | Loretta Blasen | 11 | Daughter | — | Michigan |
| 38 | Christina Blasen | 7 | Daughter | — | Michigan |
| 39 | Frank Ballmann | 56 | Head | Farmer | Michigan |
| 40 | Regina Ballmann | 55 | Wife | — | Ohio |
| 41 | Martha Ballmann | 22 | Daughter | — | Michigan |
| 42 | Ernest Ballmann | 17 | Son | — | Michigan |
| 43 | Vincent Ballmann | 15 | Son | — | Michigan |
| 44 | Lauretta Ballmann | 11 | Daughter | — | Michigan |
| 45 | Eldon Jackson | 35 | Head | Farmer | Ohio |
| 46 | Beatrice Jackson | 30 | Wife | — | Michigan |
| 47 | Randall Jackson | 7 | Son | — | Michigan |
| 48 | Clifford Jackson | 5 | Son | — | Michigan |
| 49 | Charles Theisen | 29 | Head | Farmer | Michigan |
| 50 | Andria M Theisen | 27 | Wife | — | Ohio |
Related Census Records
Pedigree Summary
Roy + 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 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)