RH
Ruth Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Indiana-County, Pennsylvania
Our Model Tree links this Ruth Hamilton across the 1920, 1930 and 1940 US Censuses in Indiana-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Bernie & Clarke — first a daughter (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Indiana-County, Pennsylvania |
| Surname | Hamilton |
| Given Name | Ruth D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Mahoning |
| 1935 Residence (County) | Indiana |
| Additional Details | |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teacher |
| Township / Ward | South Mahoning |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Bernie Hamilton | Head | — | 54 | ~1886 |
| Ruth Hamilton | Daughter | — | 25 | ~1915 |
| Homer Hamilton | Son | — | 23 | ~1917 |
Census Appearances
1920
Indiana, Pennsylvania
Daughter, age 6
Indiana, Pennsylvania · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Indiana, Pennsylvania
Daughter, age 16
Indiana, Pennsylvania · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Indiana-County, Pennsylvania
Daughter, age 25
Indiana-County, Pennsylvania · implied b. ~1915 — 3 household members
| Surname | Hamilton |
| Given Name | Ruth D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | South Mahoning |
| 1935 Residence (County) | Indiana |
| Occupation | Teacher |
| Industry | Grade School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 800 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Bernie Hamilton (~0.92 confidence) and father Clarke Hamilton (~0.92 confidence) and father H Hamilton (~0.92 confidence) and mother Cora Hamilton (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Bernie Hamilton
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Clarke Hamilton
b. ~1879
Source father
● Household
· direct · ~0.92
Father
H Hamilton
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Cora Hamilton
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Hamilton
Daughter · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
Homer 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 — Indiana-County, Pennsylvania
Open full size
1940 US Federal Census — Indiana-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03518-00511)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Earl Brady | 13 | Son | — | Pennsylvania |
| 2 | Isabelle Brady | 10 | Daughter | — | Pennsylvania |
| 3 | Arthur S. Brady | 36 | Brother | Labor | Pennsylvania |
| 4 | Lafave S. Wells | 59 | Head | Farmer | Pennsylvania |
| 5 | Clara Brady Wells | 45 | Wife | — | Pennsylvania |
| 6 | Jerry Marner | 20 | Hired Hand | Farm Hand | Pennsylvania |
| 7 | Silas G. Harbridge | 41 | Head | Farmer | Pennsylvania |
| 8 | Thelma Harbridge | 38 | Wife | — | Pennsylvania |
| 9 | Wilson Harbridge | 8 | Son | — | Pennsylvania |
| 10 | Eugene Harbridge | 4 | Son | — | Pennsylvania |
| 11 | Louella Harbridge | 69 | Mother | — | Pennsylvania |
| 12 | Grace Harbridge | 43 | Sister | — | Pennsylvania |
| 13 | Kathryn Harbridge | 35 | Sister | — | Pennsylvania |
| 14 | Emerson Simpson | 19 | Hired Man | Farm Hand | Pennsylvania |
| 15 | Raymond Simpson | 37 | Head | Farmer | Pennsylvania |
| 16 | Thelma Simpson | 30 | Wife | — | Pennsylvania |
| 17 | William H. Simpson | 7 | Son | — | Pennsylvania |
| 18 | Mary Louise Simpson | 5 | Daughter | — | Pennsylvania |
| 19 | Edward P. Simpson | 5 | Son | — | Pennsylvania |
| 20 | Vernon Murman | 19 | Hired Hand | Farm Hand | Pennsylvania |
| 21 | Frank L. Freeh | 49 | Head | Farmer | Pennsylvania |
| 22 | Theresa Freeh | 40 | Wife | — | Illinois |
| 23 | Jean E. Develey | 15 | Daughter | — | Maryland |
| 24 | Ruth E. Develey | 13 | Step-daughter | — | Maryland |
| 25 | William Freeh | 6 | Son | — | Pennsylvania |
| 26 | Bernie P. Hamilton | 54 | Head | School Teacher | Pennsylvania |
| 27 | Ruth D. Hamilton THIS PERSON | 25 | Daughter | Teacher | Pennsylvania |
| 28 | Homer S. Hamilton | 23 | Son | Farmer | Pennsylvania |
| 29 | Delia E. Hamilton | 61 | Head | — | Pennsylvania |
| 30 | J. William Wagner | 45 | Head | Farmer | Pennsylvania |
| 31 | Olive B. Wagner | 42 | Wife | — | Pennsylvania |
| 32 | John W. Wagner | 19 | Son | — | Pennsylvania |
| 33 | Evelyn Wagner | 8 | Daughter | — | Pennsylvania |
| 34 | Minnie M. Hamilton | 65 | Head | — | Pennsylvania |
| 35 | John C. Hamilton | 32 | Son | Teacher | Pennsylvania |
| 36 | Ada Jane Hamilton | 35 | Daughter | — | Pennsylvania |
| 37 | Lester J. Hamilton | 30 | Head | Farmer | Pennsylvania |
| 38 | Anna Hamilton | 30 | Wife | — | Pennsylvania |
| 39 | James Hamilton | 3 | Son | — | Pennsylvania |
| 40 | Frances Hamilton | 1 | Daughter | — | Pennsylvania |
Related Census Records
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 4 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)