RT
Ralph Thomas — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Ralph Thomas across the 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 12-person household.
Age 39
b. ~1891
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Superintendent |
| Industry | Yarn factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Superintendent |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1891 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Charles Thomas | Son | — | 5 | ~1925 |
| Margaret Thomas | Daughter | — | ~1930 | |
| Mary Thomas | Daughter | — | 7 | ~1923 |
| Ralph Thomas | Son | — | 9 | ~1921 |
| James Thomas | Son | — | 2 | ~1928 |
| Ruth Thomas | Daughter | — | 12 | ~1918 |
| Margaret Thomas | Other | — | 34 | ~1896 |
| John Thomas | Son | — | 6 | ~1924 |
| Edward Thomas | Son | — | 3 | ~1927 |
| Ralph Thomas | Head | — | 39 | ~1891 |
| Mary Cook | Other | — | 26 | ~1904 |
| William Thomas | Son | — | 4 | ~1926 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 29
Allegheny, Pennsylvania · implied b. ~1891 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Manager |
| Industry | Woolen Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 39
Allegheny, Pennsylvania · implied b. ~1891 — 12 household members
| Surname | Thomas |
| Given Name | Ralph |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 25 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Superintendent |
| Industry | Yarn factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 15000 |
| Radio Set | R |
| 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 2 US Census years (1920 and 1930) in Allegheny, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Ralph Thomas
Head · 1930 · age 39 · b. ~1891 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Allegheny, Pennsylvania
Open full size
1930 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel1973:0475)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Theresa Grimes | 75 | Head | — | Pennsylvania |
| 2 | Gertrude Grimes | 44 | Daughter | — | Pennsylvania |
| 3 | Charles Grimes | 42 | Son | — | Pennsylvania |
| 4 | Marie Grimes | 34 | Daughter | Prescriptionist | Pennsylvania |
| 5 | Gilbert H. Fraley | 52 | Head | Contractor | Pennsylvania |
| 6 | Elizabeth Fraley | 50 | Wife-H | — | New York |
| 7 | Charles L. Haggerty | 31 | Head | Salesman | Pennsylvania |
| 8 | Theona Haggerty | 30 | Wife-H | — | Pennsylvania |
| 9 | Betty J. Haggerty | 2 | Daughter | — | Pennsylvania |
| 10 | Harry Hepner | 52 | Head | Driver | Pennsylvania |
| 11 | Belle Hepner | 45 | Wife-H | — | Pennsylvania |
| 12 | Edith Hepner | 19 | Daughter | — | Pennsylvania |
| 13 | Janet Hepner | 18 | Daughter | — | Pennsylvania |
| 14 | Raymond Hepner | 12 | Son | — | Pennsylvania |
| 15 | Nannie Hines | 48 | Servant | Servant | North Carolina |
| 16 | Emma J. Heubrok | 65 | Head | — | Pennsylvania |
| 17 | Mathilda Heubrok | 50 | Sister-H | — | Pennsylvania |
| 18 | Mary J. Heubrok | 55 | Sister | Playground Worker | Pennsylvania |
| 19 | Joseph F. Heubrok | 52 | Brother | Merchant | Pennsylvania |
| 20 | Harold E. Hastings | 26 | Lodger | Salesman | Pennsylvania |
| 21 | Gerald Schilly | 26 | Lodger | Salesman | Pennsylvania |
| 22 | Robert Berlinghoff | 26 | Lodger | Salesman | Pennsylvania |
| 23 | Ralph Thomas THIS PERSON | 39 | Head | Superintendent | Pennsylvania |
| 24 | Margaret Thomas | 34 | Wife-H | — | Pennsylvania |
| 25 | Ruth Thomas | 12 | Daughter | — | Pennsylvania |
| 26 | Ralph Thomas | 9 | Son | — | Pennsylvania |
| 27 | Mary H. Thomas | 7 | Daughter | — | Pennsylvania |
| 28 | John Thomas | 6 | Son | — | Pennsylvania |
| 29 | Charles Thomas | 5 | Son | — | Pennsylvania |
| 30 | William Thomas | 4 | Son | — | Pennsylvania |
| 31 | Edward Thomas | 3 | Son | — | Pennsylvania |
| 32 | James Thomas | 2 | Son | — | Pennsylvania |
| 33 | Margaret Thomas | 0 | Daughter | — | Pennsylvania |
| 34 | Mary Cook | 26 | Servant | Servant | Virginia |
| 35 | George C. Arnold | 67 | Head | Vice President | Pennsylvania |
| 36 | Minnie F. Arnold | 60 | Wife-H | — | Pennsylvania |
| 37 | Martha J. Arnold | 24 | Daughter | — | Pennsylvania |
| 38 | George C. Jr. Arnold | 22 | Son | — | Pennsylvania |
| 39 | Adelia Unrath | 58 | Servant | Servant | Germany |
| 40 | Margaret Kirk | 20 | Servant | Servant | Scotland |
| 41 | Daniel Kennelly | 50 | Head | Machinist | Pennsylvania |
| 42 | Rose M. Kennelly | 40 | Wife-H | — | Pennsylvania |
| 43 | Rose Mary Kennelly | 11 | Daughter | — | Pennsylvania |
| 44 | Frank J. Kennelly | 9 | Son | — | Pennsylvania |
| 45 | Daniel Jr. Kennelly | 6 | Son | — | Pennsylvania |
| 46 | Ella Strong | 42 | Boarder | Painter | Pennsylvania |
| 47 | Helen Hadlock | 18 | Servant | Servant | Pennsylvania |
| 48 | Agnes Stanley | 50 | Head | Buyer | Pennsylvania |
| 49 | Pius P. Keller | 37 | Son-in-law | Attorney | Pennsylvania |
| 50 | Margaret Keller | 33 | Daughter | — | Pennsylvania |
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)