RT
Ruth Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Blair-County, Pennsylvania
Our Model Tree links this Ruth Thomas across the 1920, 1930 and 1940 US Censuses in Blair-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Bertha — first a daughter (b.~1919), then head of a 3-person household.
Age 21
b. ~1919
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blair-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Antis Township |
| 1935 Residence (County) | Blair |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Antis Township |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Ruth Thomas | Daughter | — | 21 | ~1919 |
| Harry Thomas | Head | — | 69 | ~1871 |
| Bertha Thomas | Spouse | — | 61 | ~1879 |
Census Appearances
1920
Blair, Pennsylvania
Daughter, age 1
Blair, Pennsylvania · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Blair, Pennsylvania
Daughter, age 12
Blair, Pennsylvania · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| 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
Blair-County, Pennsylvania
Daughter, age 21
Blair-County, Pennsylvania · implied b. ~1919 — 3 household members
| Surname | Thomas |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Antis Township |
| 1935 Residence (County) | Blair |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 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 Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Thomas (~0.92 confidence) and mother Bertha Thomas (~0.92 confidence) and mother Bertha Thomas (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Bertha Thomas
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Bertha Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Thomas
Daughter · 1940 · age 21 · b. ~1919 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Blair-County, Pennsylvania
Open full size
1940 US Federal Census — Blair-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03440-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mahlon S. Mcaulley | 51 | Father | Moulder | Pennsylvania |
| 2 | Joseph F. Seeman | 36 | Head | Laborer | Pennsylvania |
| 3 | Nellie E. Seeman | 29 | Wife | — | Pennsylvania |
| 4 | Thomas F. Seeman | 8 | Son | — | Pennsylvania |
| 5 | Donald E. Seeman | 6 | Son | — | Pennsylvania |
| 6 | Jacqueline A. Seeman | 3 | Daughter | — | Pennsylvania |
| 7 | Harry J. Thomas | 69 | Head | Farmer | Pennsylvania |
| 8 | Bertha M. Thomas | 61 | Wife | — | Pennsylvania |
| 9 | Ruth E. Thomas THIS PERSON | 21 | Daughter | — | Pennsylvania |
| 10 | Harry W. Stapleton | 67 | Head | — | Pennsylvania |
| 11 | Clarissa M. Stapleton | 56 | Wife | — | Pennsylvania |
| 12 | Harry S. Reed | 38 | Head | Machinist | Pennsylvania |
| 13 | Tressa C. Reed | 38 | Wife | — | Pennsylvania |
| 14 | Donald E. Reed | 14 | Son | — | Pennsylvania |
| 15 | Sherman S. Briggs | 39 | Head | Storehouse Attendant | Pennsylvania |
| 16 | Tressa K. Briggs | 35 | Wife | — | Pennsylvania |
| 17 | Bruce H. Briggs | 16 | Son | — | Pennsylvania |
| 18 | Mary E. Burns | 65 | Head | Farmer | Pennsylvania |
| 19 | Robert B. Tyler | 23 | Lodger | Apprentice Machinist | Pennsylvania |
| 20 | Harry W. Krance | 56 | Head | Machinist | Pennsylvania |
| 21 | Myrtle E. Krance | 52 | Wife | — | Pennsylvania |
| 22 | Valta D. Krance | 17 | Son | — | Pennsylvania |
| 23 | Charles Walker | 85 | Father | — | Pennsylvania |
| 24 | Fred S. Walker | 32 | Son | Laborer | Pennsylvania |
| 25 | James A. Kretzer | 60 | Head | — | Pennsylvania |
| 26 | R. Grace Kretzer | 23 | Daughter | — | Pennsylvania |
| 27 | David W. Bennett | 62 | Head | Carpenter | Pennsylvania |
| 28 | Alice G. Bennett | 62 | Wife | — | Pennsylvania |
| 29 | Raymond C. Bennett | 33 | Son | Laborer | Pennsylvania |
| 30 | John A. Richardson | 63 | Head | Laborer | Pennsylvania |
| 31 | Stella M. Richardson | 56 | Wife | — | Pennsylvania |
| 32 | Edward E. Smith | 61 | Head | Car Builder | Pennsylvania |
| 33 | Cora M. Smith | 55 | Wife | — | Pennsylvania |
| 34 | John E. Smith | 28 | Son | Laborer | Pennsylvania |
| 35 | Miles R. Smith | 24 | Son | Laborer | Pennsylvania |
| 36 | Emily L. Smith | 21 | Daughter | — | Pennsylvania |
| 37 | Irma Smith | 17 | Daughter | — | Pennsylvania |
| 38 | Benjamin Briggs | 84 | Head | — | Pennsylvania |
| 39 | Ralph F. Ruling | 34 | Head | Trackman | Pennsylvania |
| 40 | Beatrice E. Ruling | 34 | Wife | — | Pennsylvania |
Pedigree Summary
Ruth
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)