OS
Olive Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Olive Smith across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Smith |
| Given Name | Olive M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Fort McKinley |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Dayton City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Olive | Age | Birth yr |
|---|---|---|---|---|
| Olive Smith | Daughter | — | 30 | ~1910 |
| Cora Smith | Spouse | — | 56 | ~1884 |
| William Smith | Head | — | 63 | ~1877 |
Census Appearances
1920
Montgomery, Ohio
Daughter, age 10
Montgomery, Ohio · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Olive |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Montgomery, Ohio
Daughter, age 20
Montgomery, Ohio · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Olive M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laborer |
| Industry | Nursery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Montgomery-County, Ohio
Daughter, age 30
Montgomery-County, Ohio · implied b. ~1910 — 3 household members
| Surname | Smith |
| Given Name | Olive M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Fort McKinley |
| 1935 Residence (County) | Montgomery |
| Highest Grade | No 7 |
| 1935 Residence | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Olive 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 mother Cora Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Father
William Smith
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Cora Smith
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Olive Smith
Daughter · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03254-00803)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Barbara S. Moore | 1 | daughter | — | Tennessee |
| 2 | Benjamin F. Teach | 46 | head | General Service | Ohio |
| 3 | Iradus Teach | 44 | wife | — | Ohio |
| 4 | William H. Smith | 63 | head | Laborer | Ohio |
| 5 | Cora Smith | 56 | wife | — | Ohio |
| 6 | Olive M. Smith THIS PERSON | 30 | daughter | — | Ohio |
| 7 | Nettie Stuebyen | 75 | head | — | Ohio |
| 8 | George H. Hawke | 14 | lodger | — | Pennsylvania |
| 9 | Joseph Cattrill | 78 | lodger | — | Ohio |
| 10 | Charles Fox | 61 | lodger | — | Michigan |
| 11 | Charles Cooper | 51 | lodger | — | Ohio |
| 12 | Oscar Scott | 74 | lodger | — | Ohio |
| 13 | Sophia Briggs | 74 | lodger | — | Ohio |
| 14 | Emma Jones | 71 | lodger | — | Ohio |
| 15 | Virgil Abrams | 30 | head | Painter | Kentucky |
| 16 | Alice Abrams | 29 | wife | — | Tennessee |
| 17 | Kenneth Hogue | 36 | head | Machinist | Illinois |
| 18 | Elizabeth Hogue | 27 | wife | Marker | Kentucky |
| 19 | William D. Baker | 47 | head | Carpenter | Kentucky |
| 20 | Edna M. Baker | 44 | wife | — | Kentucky |
| 21 | Bonnie J. Baker | 17 | daughter | — | Kentucky |
| 22 | Shirley Ann Baker | 2 | daughter | — | Ohio |
| 23 | Joseph Snyder | 34 | head | Truck Driver | Ohio |
| 24 | Mary Snyder | 21 | wife | — | Ohio |
| 25 | Betty Lou Snyder | 2 | daughter | — | Ohio |
| 26 | Ira Ingram | 59 | head | — | Kentucky |
| 27 | Laura Wilson | 16 | niece | — | Ohio |
| 28 | Donald Weber | 22 | lodger | Laborer | Ohio |
| 29 | Edith Weber | 23 | sister | — | Ohio |
| 30 | Ruth Weber | 3 | niece | — | Ohio |
| 31 | Ethridge Roach | 29 | head | Truck Driver | Tennessee |
| 32 | Georgia Roach | 30 | wife | — | Tennessee |
| 33 | Mary Lou Roach | 9 | daughter | — | Tennessee |
| 34 | Jean J. Roach | 8 | daughter | — | Tennessee |
| 35 | Rosemarie Roach | 5 | daughter | — | Tennessee |
| 36 | Betty J. Roach | 0 | daughter | — | Ohio |
| 37 | James B. Via | 82 | head | — | Ohio |
| 38 | Rebecca Deyert | 66 | daughter | — | Pennsylvania |
| 39 | Sarah Jean Wolfe | 12 | grand daughter | — | Ohio |
| 40 | Clarence Wolfe | 33 | grand son | Laborer | Ohio |
Related Census Records
Pedigree Summary
Olive
Gen 1 · 3 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)