RT
Ralph Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Clearfield-County, Pennsylvania
Our Model Tree links this Ralph Thomas across the 1920, 1930 and 1940 US Censuses in Clearfield-County, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Clearfield-County, Pennsylvania |
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bloom Twp |
| 1935 Residence (County) | Clearfield |
| Additional Details | |
| Occupation | Miner |
| Industry | Clay Mines |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 300 |
| Highest Grade | 8 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Miner |
| Township / Ward | Bloom Twp |
| Est. Birth Year | ~1898 |
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 Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ralph Thomas | Head | — | 42 | ~1898 |
| Gladys Thomas | Spouse | — | 36 | ~1904 |
| Jeannette Thomas | Daughter | — | 19 | ~1921 |
| Nathan Thomas | Son | — | 12 | ~1928 |
Census Appearances
1920
Clearfield, Pennsylvania
Other, age 22
Clearfield, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph S |
| Relationship to Head | Boarder |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Miner |
| Industry | Fire clay mine |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Clearfield, Pennsylvania
Head, age 32
Clearfield, Pennsylvania · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 22 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Miner |
| Industry | Clay mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Clearfield-County, Pennsylvania
Head, age 42
Clearfield-County, Pennsylvania · implied b. ~1898 — 4 household members
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Bloom Twp |
| 1935 Residence (County) | Clearfield |
| Occupation | Miner |
| Industry | Clay Mines |
| Class of Worker | PW |
| Hours Worked | 24 |
| Income (1939) | 300 |
| Highest Grade | 8 |
| 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 Ralph Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Ralph Thomas
Head · 1940 · age 42 · b. ~1898 · 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 — Clearfield-County, Pennsylvania
Open full size
1940 US Federal Census — Clearfield-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03469-00209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Joan Thomas | 10 | Daughter | — | Pennsylvania |
| 42 | Donald Thomas | 8 | Son | — | Pennsylvania |
| 43 | Vincent Shubert | 47 | Head | Mechanic | Pennsylvania |
| 44 | Harriet Shubert | 40 | Wife | — | Pennsylvania |
| 45 | Vera Shubert | 18 | Daughter | — | Pennsylvania |
| 46 | Dean Shubert | 16 | Son | — | Pennsylvania |
| 47 | Carl Shubert | 13 | Son | — | Pennsylvania |
| 48 | Richard Shubert | 8 | Son | — | Pennsylvania |
| 49 | Ralph Thomas THIS PERSON | 42 | Head | Miner | Pennsylvania |
| 50 | Gladys Thomas | 36 | Wife | — | Pennsylvania |
| 51 | Jeannette Thomas | 19 | Daughter | — | Pennsylvania |
| 52 | Nathan Thomas | 12 | Son | — | Pennsylvania |
| 53 | Currier Thomas | 40 | Head | Miner | Pennsylvania |
| 54 | Elma Thomas | 32 | Wife | Teacher | Pennsylvania |
| 55 | Elaine Thomas | 1 | Daughter | — | Pennsylvania |
| 56 | Wayne Thomas | 2 | Son | — | Pennsylvania |
| 57 | Lorena Knarr | 47 | Head | — | Pennsylvania |
| 58 | Ellsworth Knarr | 22 | Son | Teacher | Pennsylvania |
| 59 | Cleon Knarr | 19 | Daughter | — | Pennsylvania |
| 60 | Paul S. Smith | 41 | Head | Farmer | Pennsylvania |
| 61 | Hettie Smith | 36 | Wife | — | Pennsylvania |
| 62 | Way Jesse Smith | 21 | Brother-in-law | Hired Hand | Pennsylvania |
| 63 | Paul Hartzfeld | 43 | Head | Farmer | Pennsylvania |
| 64 | Ernest Hartzfeld | 15 | Son | Hired Hand | Pennsylvania |
| 65 | Ruth A. Thompson | 37 | Housekeeper | Housekeeper | Pennsylvania |
| 66 | Rhoda M. Thompson | 17 | Housekeeper's Daughter | — | Pennsylvania |
| 67 | Inez A. Thompson | 14 | Housekeeper's Daughter | — | Pennsylvania |
| 68 | John J. Thompson | 7 | Housekeeper's Son | — | Pennsylvania |
| 69 | A. J. Hartzfeld | 44 | Head | Farmer | Pennsylvania |
| 70 | Annie Hartzfeld | 44 | Wife | — | Pennsylvania |
| 71 | Martin Hartzfeld | 19 | Son | New Worker | Pennsylvania |
| 72 | Alta Hartzfeld | 17 | Daughter | — | Pennsylvania |
| 73 | Boyd Hatten | 36 | Head | Farmer | Pennsylvania |
| 74 | Beulah Hatten | 38 | Wife | — | Pennsylvania |
| 75 | Arnell Hatten | 12 | Daughter | — | Pennsylvania |
| 76 | Delmont Hatten | 3 | Son | — | Pennsylvania |
| 77 | Dwain Hatten | 3 | Son | — | Pennsylvania |
| 78 | Mary Mcknick | 75 | Head | — | Pennsylvania |
| 79 | Simon Royer | 63 | Head | — | Pennsylvania |
| 80 | Raymond Royer | 28 | Son | Laborer | Pennsylvania |
Related Census Records
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)