RH
Ruth Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, Ohio
Our Model Tree links this Ruth Hamilton across the 1920, 1930 and 1940 US Censuses in Mercer-County, Ohio (XGBoost, ~Confirmed), with identified parents Edgar & Bessie — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, Ohio |
| Surname | Hamilton |
| Given Name | Ruth Ida |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Clerk |
| Industry | Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Clerk |
| Township / Ward | Union Twp |
| Est. Birth Year | ~1919 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Hamilton | Daughter | — | 21 | ~1919 |
| Lyle Hamilton | Son | — | 23 | ~1917 |
| Edgar Hamilton | Head | — | 48 | ~1892 |
| Bessie Hamilton | Spouse | — | 49 | ~1891 |
Census Appearances
1920
Mercer, Ohio
Daughter, age
Mercer, Ohio · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Ruth I |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Mercer, Ohio
Daughter, age 10
Mercer, Ohio · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Ruth A |
| 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/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Mercer-County, Ohio
Daughter, age 21
Mercer-County, Ohio · implied b. ~1919 — 4 household members
| Surname | Hamilton |
| Given Name | Ruth Ida |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Union Twp |
| 1935 Residence (County) | Mercer |
| Occupation | Clerk |
| Industry | Dry Goods Store |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 520 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Ruth Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edgar Hamilton (~0.92 confidence) and mother Bessie Hamilton (~0.92 confidence) and mother Flossie Hamilton (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edgar Hamilton
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Bessie Hamilton
b. ~1891
Source mother
● Household
· direct · ~0.92
Mother
Flossie Hamilton
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Hamilton
Daughter · 1940 · age 21 · b. ~1919 · Ohio
★ You are viewing this record
Sibling
Lyle Hamilton
Sibling · 1940 · age 23
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 — Mercer-County, Ohio
Open full size
1940 US Federal Census — Mercer-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03114-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Kinkley | 26 | daughter | — | Ohio |
| 2 | Nick A. Kelnert | 61 | Head | Farm Operator | Ohio |
| 3 | Pearl Kelnert | 61 | Wife | — | Ohio |
| 4 | Joe D. Krugh | 28 | Head | Farm Operator | Ohio |
| 5 | Isabel Krugh | 28 | Wife | — | Ohio |
| 6 | Jo Ann Krugh | 6 | daughter | — | Ohio |
| 7 | Dorothy Krugh | 5 | daughter | — | Ohio |
| 8 | Harry Gene Krugh | 4 | son | — | Ohio |
| 9 | John H. Tomlinson | 78 | son-in-law | — | Ohio |
| 10 | Edgar Hamilton | 48 | Head | Farm Operator | Ohio |
| 11 | Bessie Hamilton | 49 | Wife | — | Ohio |
| 12 | Lyle F. Hamilton | 23 | son | Farm Operator | Ohio |
| 13 | Ruth Ida Hamilton THIS PERSON | 21 | daughter | Clerk | Ohio |
| 14 | Ross R. Bricker | 49 | Head | Farm Operator | Ohio |
| 15 | Lucy M. Bricker | 49 | Wife | — | Ohio |
| 16 | Russell Eugene Bricker | 16 | son | — | Ohio |
| 17 | Marjorie M. Bricker | 12 | daughter | — | Ohio |
| 18 | Matilda Bricker | 78 | mother | — | Ohio |
| 19 | William Grier | 65 | Head | Farm Operator | Ohio |
| 20 | Mary Grier | 64 | Wife | — | Ohio |
| 21 | Floyd Grier | 23 | son | Farm Operator | Ohio |
| 22 | Frank W. Kinkley | 73 | Head | Farm Operator | Ohio |
| 23 | Edith Kinkley | 54 | Wife | — | Ohio |
| 24 | Etta Carroll | 52 | sister-in-law | Housekeeper | Ohio |
| 25 | John C. Kinkley | 26 | Head | Farm Operator | Ohio |
| 26 | Evelyn Kinkley | 25 | Wife | Peeler | Ohio |
| 27 | Richard Kinkley | 6 | son | — | Ohio |
| 28 | Sue Kinkley | 5 | daughter | — | Ohio |
| 29 | Jean Kinkley | 3 | daughter | — | Ohio |
| 30 | James Kinkley | 2 | son | — | Ohio |
| 31 | Cecil Shank | 29 | Head | Farm Operator | Ohio |
| 32 | Pauline Shank | 29 | Wife | — | Ohio |
| 33 | David Fisher | 17 | nephew | — | Ohio |
| 34 | Charles Williams | 45 | Head | Farm Operator | Ohio |
| 35 | Mayme Williams | 45 | Wife | — | Ohio |
| 36 | Mary Lou Williams | 13 | daughter | — | Ohio |
| 37 | Hattie Hamilton | 58 | Head | — | Virginia |
| 38 | Cale Reedy | 48 | brother | Laborer | Virginia |
| 39 | Frank Foster | 67 | Head | Farm Operator | Kansas |
| 40 | Leila Foster | 48 | Wife | — | Ohio |
Pedigree Summary
Ruth + 1 sibling
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)