RT
Ruth Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Butler-County, Pennsylvania
Our Model Tree links this Ruth Thompson across the 1920, 1930 and 1940 US Censuses in Butler-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Alfred & Adda — first a daughter (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Female
Daughter
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Butler-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Butler |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Washington Twp |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thompson | Daughter | — | 30 | ~1910 |
| Alfred Buck | Head | — | 73 | ~1867 |
| Patricia Thompson | Other | — | 6 | ~1934 |
| Edward Thompson | Other | — | 9 | ~1931 |
| Raymond Buck | Son | — | 30 | ~1910 |
Census Appearances
1920
Butler, Pennsylvania
Daughter, age 9
Butler, Pennsylvania · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Butler, Pennsylvania
Daughter, age 20
Butler, Pennsylvania · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 20 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Butler-County, Pennsylvania
Daughter, age 30
Butler-County, Pennsylvania · implied b. ~1910 — 5 household members
| Surname | Thompson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Washington Twp |
| 1935 Residence (County) | Butler |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alfred Buck (~0.92 confidence) and mother Adda Buck (~0.92 confidence) and father William Thompson (~0.92 confidence) and mother Anna Thompson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alfred Buck
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Adda Buck
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
William Thompson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Anna Thompson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Thompson
Daughter · 1940 · age 30 · b. ~1910 · Pennsylvania
★ You are viewing this record
Sibling
Raymond Buck
Sibling · 1940 · age 30
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 — Butler-County, Pennsylvania
Open full size
1940 US Federal Census — Butler-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03450-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Muscatello | 6 | Son | — | Pennsylvania |
| 2 | Calvin C. Mccandless | 42 | Head | Farmer | Pennsylvania |
| 3 | Carl Mccandless | 52 | Lodger | Hired Help | Pennsylvania |
| 4 | Alfred L. Buck | 73 | Head | — | Pennsylvania |
| 5 | Ruth Thompson THIS PERSON | 30 | Daughter | — | Pennsylvania |
| 6 | Edward Thompson | 9 | Grandson | — | Pennsylvania |
| 7 | Patricia Thompson | 6 | Granddaughter | — | Pennsylvania |
| 8 | Raymond Buck | 30 | Son | Laborer | Pennsylvania |
| 9 | John Pollock | 69 | Head | Farmer | Austria |
| 10 | Lucy Pollock | 77 | Wife | — | Austria |
| 11 | Tony Medrit | 50 | Head | Farmer | Austria |
| 12 | Annie Medrit | 48 | Wife | — | Austria |
| 13 | Zora Ab. Medrit | 17 | Daughter | New Worker | Pennsylvania |
| 14 | Peter Medrit | 16 | Son | New Worker | Pennsylvania |
| 15 | Angeline Medrit | 14 | Daughter | — | Pennsylvania |
| 16 | Mary Medrit | 12 | Daughter | — | Pennsylvania |
| 17 | Steve Medrit | 10 | Son | — | Pennsylvania |
| 18 | Rosie Medrit | 4 | Daughter | — | Pennsylvania |
| 19 | Dow S. Campbell | 42 | Head | Driller | Pennsylvania |
| 20 | Helen Campbell | 39 | Wife | — | Pennsylvania |
| 21 | Kenneth Campbell | 18 | Son | — | Pennsylvania |
| 22 | Ila Campbell | 16 | Daughter | — | Pennsylvania |
| 23 | Wilma Campbell | 13 | Daughter | — | Pennsylvania |
| 24 | Frank Jr. Smith | 21 | Son-in-law | Laborer | Pennsylvania |
| 25 | Leola Smith | 18 | Daughter | — | Pennsylvania |
| 26 | Sue Smith | 1 | Granddaughter | — | Pennsylvania |
| 27 | Annie Bell | 58 | Head | — | Pennsylvania |
| 28 | Wendell Bell | 32 | Son | Laborer | Pennsylvania |
| 29 | Chester Bell | 32 | Son | Laborer | Pennsylvania |
| 30 | Lavina Bell | 19 | Daughter | — | Pennsylvania |
| 31 | Glen L. Hawk | 38 | Head | Truck Driver | Pennsylvania |
| 32 | Thelma Hawk | 35 | Wife | — | Pennsylvania |
| 33 | Virginia Hawk | 13 | Daughter | — | Pennsylvania |
| 34 | Glen J. Hawk | 7 | Son | — | Pennsylvania |
| 35 | Philip D. Deal | 61 | Head | Farmer | Pennsylvania |
| 36 | Flora Deal | 57 | Wife | — | Pennsylvania |
| 37 | Lawrence Deal | 32 | Son | Miner | Pennsylvania |
| 38 | Keith H. Deal | 21 | Son | Miner | Pennsylvania |
| 39 | Ruth Deal | 18 | Daughter | — | Pennsylvania |
| 40 | Lillie Bell | 66 | Sister-in-law | — | Pennsylvania |
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)