HS
Helen Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Ohio
Our Model Tree links this Helen Smith across the 1920, 1930 and 1940 US Censuses in Washington-County, Ohio (XGBoost, ~Confirmed), with identified parents Mable & Mabel — first a daughter (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Ohio |
| Surname | Smith |
| Given Name | Helen R. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Marietta Township |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Cash |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 170 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Cash |
| Township / Ward | Marietta Township |
| Est. Birth Year | ~1914 |
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 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Mary Deem | Daughter | — | 24 | ~1916 |
| Helen Smith | Daughter | — | 26 | ~1914 |
| Mabel Smith | Head | — | 54 | ~1886 |
| Lawrence Deem | Other | — | 23 | ~1917 |
| Larry Deem | Other | — | 1 | ~1939 |
Census Appearances
1920
Washington, Ohio
Daughter, age 6
Washington, Ohio · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Helen R. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Washington, Ohio
Daughter, age 16
Washington, Ohio · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Helen R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Washington-County, Ohio
Daughter, age 26
Washington-County, Ohio · implied b. ~1914 — 5 household members
| Surname | Smith |
| Given Name | Helen R. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Marietta Township |
| 1935 Residence (County) | Washington |
| Occupation | Cash |
| Industry | Restaurant |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 170 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Helen Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mable Smith (~0.92 confidence) and mother Mabel Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mable Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mabel Smith
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Smith
Daughter · 1940 · age 26 · b. ~1914 · Ohio
★ You are viewing this record
Sibling
Mary Deem
Sibling · 1940 · age 24
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 — Washington-County, Ohio
Open full size
1940 US Federal Census — Washington-County, Ohio
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-03166-00226)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Marjorie Mccloud | 17 | daughter | Housework | W. Va |
| 2 | Virgil Mccloud | 14 | son | — | W. Va |
| 3 | James Hill | 51 | head | Labor | W. Va |
| 4 | Mable Hill | 48 | wife | Housewife | Ohio |
| 5 | Edna Hill | 15 | niece | — | Ohio |
| 6 | H. P. Navarre | 56 | head | Labor | Mich. |
| 7 | Rosie Navarre | 60 | wife | Housewife | W. Va |
| 8 | Albert Navarre | 24 | son | Repairing Old Jobs | W. Va |
| 9 | Vera Navarre | 18 | daughter | Camp Clerk | Ohio |
| 10 | Louis Hendershot | 34 | step-son | Labor | W. Va |
| 11 | Frank D. Hendershot | 4 | grandson | — | Ohio |
| 12 | Jack Lightner | 64 | head | Labor | W. Va |
| 13 | Mammie Lightner | 58 | wife | Housewife | W. Va |
| 14 | Alice M. Hill | 29 | head | Housewife | W. Va |
| 15 | Leona Hill | 12 | daughter | — | Ohio |
| 16 | James R. Jr. Severance | 26 | lodger | Roller Operator | Ohio |
| 17 | Ruth Severance | 43 | lodger | Grader Operator | Ohio |
| 18 | Mabel B. Smith | 54 | head | Housewife | Ohio |
| 19 | Helen R. Smith THIS PERSON | 26 | daughter | Cash | Ohio |
| 20 | Mary E. Deem | 24 | daughter | Waitress | Ohio |
| 21 | Lawrence M. Deem | 23 | son-in-law | Automobile Mechanic | Ohio |
| 22 | Larry D. Deem | 1 | grandson | — | Ohio |
| 23 | I. F. Ewing | 63 | head | — | West Virginia |
| 24 | Lucy Ewing | 56 | wife | — | West Va. |
| 25 | Virginia Ewing | 23 | daughter | Stenographer | Ohio |
| 26 | W. D. Starkey | 76 | head | Carpenter | Ohio |
| 27 | Starkey | None | wife | — | — |
| 28 | George Starkey | 34 | son | — | Ohio |
| 29 | Starkey | 33 | wife | — | Ohio |
| 30 | Emma Miller | 77 | head | — | Ohio |
| 31 | Laura C. Miller | 53 | daughter | Bookkeeper | Ohio |
| 32 | Emma M. Thompson | 40 | daughter | Teacher | Ohio |
| 33 | William Thompson | 7 | grandson | — | Oklahoma |
| 34 | Bertha May Britton | 34 | maid | Maid | Ohio |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 2 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)