IT
Isaac Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Schuylkill, Pennsylvania
Our Model Tree links this Isaac Thomas across the 1920, 1930 and 1940 US Censuses in Schuylkill, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 2-person household.
Age 57
b. ~1873
Male
Head
Born: Pennsylvania
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Schuylkill, Pennsylvania |
| Surname | Thomas |
| Given Name | Isaac D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 29 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Superintendent |
| Township / Ward | Frackville Borough |
| Est. Birth Year | ~1873 |
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.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Thomas | Head | — | 57 | ~1873 |
| William Thomas | Son | — | 20 | ~1910 |
Census Appearances
1920
Schuylkill, Pennsylvania
Head, age 47
Schuylkill, Pennsylvania · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Manufacturer |
| Industry | Underwear |
| Class of Worker | Em |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Schuylkill, Pennsylvania
Head, age 57
Schuylkill, Pennsylvania · implied b. ~1873 — 2 household members
| Surname | Thomas |
| Given Name | Isaac D |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 29 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Superintendent |
| Industry | Coal Mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7,000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Schuylkill-County, Pennsylvania
Other, age 66
Schuylkill-County, Pennsylvania · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac Jr |
| Relationship to Head | Father |
| Sex | M |
| Color / Race | White |
| Age | 66 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Coles Patch |
| 1935 Residence (County) | Schuylkill |
| Occupation | Watchman |
| Industry | Public Park |
| Class of Worker | PW |
| Hours Worked | 56 |
| Income (1939) | 602 |
| Highest Grade | No 3 |
| 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 Isaac 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
Isaac Thomas
Head · 1930 · age 57 · b. ~1873 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Schuylkill, Pennsylvania
Open full size
1930 US Federal Census — Schuylkill, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2144:0955)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Hartenstine | 40 | Head | Baker | Pennsylvania |
| 2 | Sarah L Hartenstine | 37 | Wife | — | Pennsylvania |
| 3 | Viola E Hartenstine | 18 | Daughter | — | Pennsylvania |
| 4 | W Harold Hartenstine | 16 | Son | — | Pennsylvania |
| 5 | Herbert D Hartenstine | 10 | Son | — | Pennsylvania |
| 6 | Evelyn M Hartenstine | 6 | Daughter | — | Pennsylvania |
| 7 | Isaac D Thomas THIS PERSON | 57 | Head | Superintendent | Pennsylvania |
| 8 | William J Thomas | 20 | Son | — | Pennsylvania |
| 9 | Lawrence Kiefer | 37 | Head | Carpenter | Pennsylvania |
| 10 | Adeline Kiefer | 37 | Wife | — | Pennsylvania |
| 11 | Lawrence Kiefer | 14 | Son | — | Pennsylvania |
| 12 | Daniel J Kiefer | 10 | Son | — | Pennsylvania |
| 13 | Edward Kiefer | 8 | Son | — | Pennsylvania |
| 14 | Margaret M Kiefer | 7 | Daughter | — | Pennsylvania |
| 15 | Kathryn E Kiefer | 3 | Daughter | — | Pennsylvania |
| 16 | William H Kiefer | 73 | Father | — | Pennsylvania |
| 17 | Elizabeth Kiefer | 34 | Sister | Laborer | Pennsylvania |
| 18 | John G Bertellot | 49 | Head | Engineer | Pennsylvania |
| 19 | Clara E Bertellot | 46 | Wife | — | Pennsylvania |
| 20 | Chester L Bertellot | 25 | Son | Laborer | Pennsylvania |
| 21 | John S Bertellot | 14 | Son | — | Pennsylvania |
| 22 | Michael J Delaney | 86 | Father-in-law | — | Pennsylvania |
| 23 | Russell M O'Connell | 26 | Nephew | Striker | Pennsylvania |
| 24 | Joseph Malloy | 33 | Head | Shifter | Pennsylvania |
| 25 | Martha G Malloy | 25 | Wife | — | Pennsylvania |
| 26 | Mary O Malloy | 8 | Daughter | — | Pennsylvania |
| 27 | Eleanor Malloy | 7 | Daughter | — | Pennsylvania |
| 28 | Joseph L Malloy | 4 | Son | — | Pennsylvania |
| 29 | James E Malloy | 3 | Son | — | Pennsylvania |
| 30 | Anna E Malloy | 1 | Daughter | — | Pennsylvania |
| 31 | William F Epler | 58 | Head | Brakeman | Pennsylvania |
| 32 | Blanche C Epler | 29 | Wife | — | Pennsylvania |
| 33 | Mildred V Epler | 11 | Daughter | — | Pennsylvania |
| 34 | Betty B Epler | 6 | Daughter | — | Pennsylvania |
| 35 | Lester L Bretz | 22 | Son-in-law | Laborer | Pennsylvania |
| 36 | Harold K Bretz | 20 | Son-in-law | Laborer | Pennsylvania |
| 37 | Harry W Murphy | 34 | Head | Inspector | Pennsylvania |
| 38 | Raphael B Murphy | 32 | Wife | — | Pennsylvania |
| 39 | Charles W Murphy | 13 | Son | — | Pennsylvania |
| 40 | William C Hauck | 69 | Head | Fireman | Pennsylvania |
| 41 | Ellen L Hauck | 62 | Wife | — | Pennsylvania |
| 42 | John E Kelly | 61 | Head | Fireman | Pennsylvania |
| 43 | Sophie Kelly | 62 | Wife | — | Germany |
| 44 | Edward Hoffman | 35 | Boarder | Laborer | Pennsylvania |
| 45 | Henry J Dribosky | 30 | Boarder | Distributor | Poland |
| 46 | Lawrence J Pauley | 26 | Head | Time Keeper | Pennsylvania |
| 47 | Mary A Pauley | 23 | Wife | — | Pennsylvania |
| 48 | Elizabeth M Pauley | 19 | Daughter | Laborer | Pennsylvania |
| 49 | Dolores C Pauley | 17 | Daughter | Stenographer | Pennsylvania |
| 50 | Madeline O Pauley | 15 | Daughter | — | Pennsylvania |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)