ES
Evelyn Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Seneca-County, Ohio
Our Model Tree links this Evelyn Smith across the 1920, 1930 and 1940 US Censuses in Seneca-County, Ohio (XGBoost, ~Confirmed), with identified parents Earl & Carl — first a daughter (b.~1915), then head of a 9-person household.
Age 25
b. ~1915
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Seneca-County, Ohio |
| Surname | Smith |
| Given Name | Evelyn J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Tiffin |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Evelyn | Age | Birth yr |
|---|---|---|---|---|
| Margaret Smith | Daughter | — | 8 | ~1932 |
| Doris Smith | Daughter | — | 3 | ~1937 |
| Marilyn Smith | Daughter | — | 5 | ~1935 |
| Evelyn Smith | Daughter | — | 25 | ~1915 |
| Kathleen Smith | Daughter | — | 10 | ~1930 |
| Carl Smith | Head | — | 43 | ~1897 |
| Carl Smith | Son | — | 13 | ~1927 |
| Thomas Smith | Son | — | 12 | ~1928 |
| Margaret Smith | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Seneca, Ohio
Daughter, age 4
Seneca, Ohio · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Evelyn |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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
Seneca, Ohio
Daughter, age 14
Seneca, Ohio · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Evelyn H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | Laundress |
| Industry | At home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Seneca-County, Ohio
Daughter, age 25
Seneca-County, Ohio · implied b. ~1915 — 9 household members
| Surname | Smith |
| Given Name | Evelyn J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Tiffin |
| 1935 Residence (County) | Seneca |
| Highest Grade | H 4 |
| 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 Evelyn Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earl Smith (~0.92 confidence) and father Carl Smith (~0.92 confidence) and mother Hilda Smith (~0.92 confidence) and father Carl Smith (~0.92 confidence) and mother Hilda Smith (~0.92 confidence) and mother Margaret Smith (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earl Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Carl Smith
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Hilda Smith
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Carl Smith
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Hilda Smith
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Margaret Smith
b. ~1901
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Evelyn Smith
Daughter · 1940 · age 25 · b. ~1915 · Ohio
★ You are viewing this record
Sibling
Kathleen Smith
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Smith
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marilyn Smith
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Smith
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Smith
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Smith
Sibling · 1940 · age 8
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 — Seneca-County, Ohio
Open full size
1940 US Federal Census — Seneca-County, Ohio
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03145-00587)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louis A Daniel | 18 | Son | Mechanic | Ohio |
| 42 | Joan B Daniel | 15 | Daughter | — | Ohio |
| 43 | Rosemary C Daniel | 13 | Daughter | — | Ohio |
| 44 | Lorna D Daniel | 9 | Daughter | — | Ohio |
| 45 | Frank P Hoffman | 57 | Head | — | Ohio |
| 46 | Loretta M Hoffman | 59 | Wife | — | Ohio |
| 47 | Joseph N Dell | 47 | Head | Accountant | Ohio |
| 48 | Philena M Dell | 38 | Wife | — | Ohio |
| 49 | Lettie E Dell | 15 | Daughter | — | Ohio |
| 50 | Max G Dell | 12 | Son | — | Ohio |
| 51 | Lois E Dell | 10 | Daughter | — | Ohio |
| 52 | Ralph E Pigner | 44 | Head | Gauger | Ohio |
| 53 | Cattie E Pigner | 36 | Wife | — | Ohio |
| 54 | Kathleen J Pigner | 11 | Daughter | — | Ohio |
| 55 | Geraldine A Pigner | 10 | Daughter | — | Ohio |
| 56 | Doris E Pigner | 9 | Daughter | — | Ohio |
| 57 | Janet E Pigner | 6 | Daughter | — | Ohio |
| 58 | Kate M Brinkerhoff | 79 | Head | — | Ohio |
| 59 | Cora M Burkett | 72 | Sister | — | Ohio |
| 60 | Robert N | 46 | Nephew | Salesman | Ohio |
| 61 | Rule D Egbert | 41 | Head | Contractor | Ohio |
| 62 | Ruth E Egbert | 40 | Wife | Saleswoman | Ohio |
| 63 | Innis E Egbert | 19 | Daughter | — | Ohio |
| 64 | Dorothy R Egbert | 17 | Daughter | — | Ohio |
| 65 | Rule D Jr Egbert | 15 | Son | — | Ohio |
| 66 | John V Egbert | 13 | Son | — | Ohio |
| 67 | Jane V Egbert | 9 | Daughter | — | Ohio |
| 68 | Kenneth H Egbert | 4 | Son | — | Ohio |
| 69 | Carl M Smith | 43 | Head | Salesman | Ohio |
| 70 | Margaret E Smith | 39 | Wife | — | Ohio |
| 71 | Evelyn J Smith THIS PERSON | 25 | Daughter | — | Ohio |
| 72 | Carl M Jr Smith | 13 | Son | — | Ohio |
| 73 | Thomas E Smith | 12 | Son | — | Ohio |
| 74 | Kathleen Smith | 10 | Daughter | — | Ohio |
| 75 | Margaret M Smith | 8 | Daughter | — | Ohio |
| 76 | Marilyn A Smith | 5 | Daughter | — | Ohio |
| 77 | Doris J Smith | 3 | Daughter | — | Ohio |
| 78 | C. Fred Neiswinter | 58 | Head | Mechanic | Ohio |
| 79 | Pearl O Neiswinter | 58 | Wife | — | Ohio |
Pedigree Summary
Evelyn + 6 siblings
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)