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Harold Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Philadelphia, Pennsylvania
Our Model Tree links this Harold Thomas across the 1920, 1930 and 1940 US Censuses in Philadelphia, Pennsylvania (XGBoost, ~Confirmed), with identified parents Benjamin & Martha — first a son (b.~1907), then head of a 4-person household.
Age 23
b. ~1907
Male
Son
Born: Penna
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Philadelphia, Pennsylvania |
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Additional Details | |
| Occupation | Radio Service |
| Industry | Sales |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Radio Service |
| Township / Ward | Philadelphia City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Jesse Thomas | Other | — | 53 | ~1877 |
| Harold Thomas | Son | — | 23 | ~1907 |
| Anna Thomas | Daughter | — | 28 | ~1902 |
| Benjamin Thomas | Head | — | 58 | ~1872 |
Census Appearances
1920
Philadelphia, Pennsylvania
Other, age 13
Philadelphia, Pennsylvania · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | grandson |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1930
Philadelphia, Pennsylvania
Son, age 23
Philadelphia, Pennsylvania · implied b. ~1907 — 4 household members
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Occupation | Radio Service |
| Industry | Sales |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
Son, age 34
Philadelphia-County, Pennsylvania · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harry G. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Penna |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila. |
| Occupation | Sales Clerk |
| Industry | Retail Drug Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Harold Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Benjamin Thomas (~0.92 confidence) and mother Martha Basindine (~0.92 confidence) and father Harry Basindine (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Benjamin Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Martha Basindine
b. ~1882
Source mother
● Household
· direct · ~0.92
Father
Harry Basindine
b. ~1884
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Thomas
Son · 1930 · age 23 · b. ~1907 · Pennsylvania
★ You are viewing this record
Sibling
Anna Thomas
Sibling · 1930 · age 28
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
1930 US Federal Census — Philadelphia, Pennsylvania
Open full size
1930 US Federal Census — Philadelphia, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2133:0887)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | David Levin | 60 | Head | Builder | Russia |
| 2 | Lena Levin | 53 | Wife | None | Russia |
| 3 | Thomas Collins | 29 | Head | Supt. | Penna |
| 4 | Helen Collins | 25 | Wife | None | Penna |
| 5 | Donald Collins | 4 | Son | None | Penna |
| 6 | Joan Collins | 2 | Daughter | None | Penna |
| 7 | Frank Dager | 22 | Head | Machinist | Penna |
| 8 | Frances Dager | 19 | Wife | None | Penna |
| 9 | Adrian Hammersch | 27 | Head | Inspector | Penna |
| 10 | Grace Hammersch | 26 | Wife | Supervisor | Penna |
| 11 | William Donnell | 45 | Head | Moulder | Penna |
| 12 | May Donnell | 38 | Wife | None | Penna |
| 13 | Elizabeth Davidson | 80 | Mother-in-law | None | Penna |
| 14 | Henry Clark | 37 | Head | Bookkeeper | Penna |
| 15 | Agnes E. Clark | 32 | Wife | None | New Jersey |
| 16 | Loraine Clark | 10 | Daughter | None | Penna |
| 17 | James Clark | 8 | Son | None | Penna |
| 18 | Phyllis Clark | 6 | Daughter | None | Penna |
| 19 | Richard Clark | 4 | Son | None | Penna |
| 20 | Warren Clark | 2 | Son | None | Penna |
| 21 | Anna Burroughs | 27 | Boarder | None | New Jersey |
| 22 | Benjamin Thomas | 58 | Head | Prop. Manager | Penna |
| 23 | Anna Thomas | 28 | Daughter | None | Penna |
| 24 | Harold Thomas THIS PERSON | 23 | Son | Radio Service | Penna |
| 25 | Jesse Thomas | 53 | Brother | Plumber | Penna |
| 26 | Albert Kalilus | 35 | Head | Machinist | Penna |
| 27 | Ethel Kalilus | 31 | Wife | None | Penna |
| 28 | Carolyn Kalilus | 1 | Daughter | None | Penna |
| 29 | Drake Fairman | 22 | Lodger | Saleslady | Penna |
| 30 | Seth Waterhouse | 57 | Head | Beamman | England |
| 31 | Sarah Waterhouse | 53 | Wife | None | England |
| 32 | Alfred Waterhouse | 21 | Son | Twister | Penna |
| 33 | John Preiss | 50 | Head | Salesman | Penna |
| 34 | Agnes Preiss | 50 | Wife | None | New Jersey |
| 35 | Ethel Preiss | 19 | Daughter | Winder | Penna |
| 36 | Dorothy Preiss | 13 | Daughter | None | Penna |
| 37 | John Preiss | 8 | Son | None | Penna |
| 38 | Hazel Kern | 22 | Daughter | None | Penna |
| 39 | William Kern | 24 | Son-in-law | Machinist | Penna |
| 40 | William Kern | 2 | Grandson | None | Penna |
| 41 | Edith Allen | 42 | Head | Detective | Penna |
| 42 | Edith Allen | 20 | Daughter | Operator | Penna |
| 43 | Marion Allen | 17 | Daughter | None | Penna |
| 44 | Thomas Allen | 13 | Son | None | Penna |
| 45 | Morris Levin | 36 | Head | Carpenter | Russia |
| 46 | Lillian Levin | 31 | Wife | None | Russia |
| 47 | Adele Levin | 1 | Daughter | None | Penna |
| 48 | George Pany | 30 | Head | Drafter | England |
| 49 | Anna Pany | 25 | Wife | None | Germany |
| 50 | Martin Condran | 24 | Head | Knitter | Penna |
Related Census Records
Pedigree Summary
Harold + 1 sibling
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 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)