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Harold Thomas — 1930 US Census Record
Model Tree available1930 United States Federal Census · Lackawanna, Pennsylvania
Our Model Tree links this Harold Thomas across the 1910, 1920 and 1930 US Censuses in Lackawanna, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thos & Eva — first a son (b.~1908), then head of a 7-person household.
Age 22
b. ~1908
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lackawanna, Pennsylvania |
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Blakely |
| Est. Birth Year | ~1908 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Harold Thomas | Son | — | 22 | ~1908 |
| Gladys Thomas | Daughter | — | 11 | ~1919 |
| Cecil Thomas | Daughter | — | 19 | ~1911 |
| Robert Thomas | Head | — | 50 | ~1880 |
| James Robson | Other | — | 25 | ~1905 |
| Mildred Robson | Daughter | — | 26 | ~1904 |
| Laura Thomas | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Lackawanna, Pennsylvania
Son, age 1
Lackawanna, Pennsylvania · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Wales-Welsh |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Lackawanna, Pennsylvania
Son, age 11
Lackawanna, Pennsylvania · implied b. ~1909 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Son, age 22
Lackawanna, Pennsylvania · implied b. ~1908 — 7 household members
| Surname | Thomas |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Laborer |
| Industry | Coal Mines |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Harold Thomas across 3 US Census years (1910, 1920 and 1930) in Lackawanna, Pennsylvania, using XGBoost record linkage. Identified parents: father Thos Thomas (~0.92 confidence) and mother Eva Thomas (~0.92 confidence) and father Robert Thomas (~0.92 confidence) and mother Mary Jones (~0.92 confidence) and mother Laura Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thos Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Eva Thomas
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
Robert Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Mary Jones
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Laura Thomas
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
William Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Harold Thomas
Son · 1930 · age 22 · b. ~1908 · Pennsylvania
★ You are viewing this record
Sibling
Mildred Robson
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Thomas
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Thomas
Sibling · 1930 · age 11
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 — Lackawanna, Pennsylvania
Open full size
1930 US Federal Census — Lackawanna, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2048:0282)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | William Morris | 42 | Head | Miner | Pennsylvania |
| 52 | Mary Morris | 43 | Wife | — | Wales |
| 53 | Nelson Mason | 22 | Son-in-law | Laborer | Pennsylvania |
| 54 | Mary Mason | 26 | Daughter | — | Pennsylvania |
| 55 | Shirley Mason | 2 | Granddaughter | — | Pennsylvania |
| 56 | Michael Moran | 42 | Head | Laborer | Ireland |
| 57 | Margaret Moran | 40 | Wife | — | Pennsylvania |
| 58 | Leonard Moran | 18 | Son | — | Pennsylvania |
| 59 | Thelma Moran | 16 | Daughter | Silk Worker | Pennsylvania |
| 60 | Mary Moran | 11 | Daughter | — | Pennsylvania |
| 61 | Margaret Gittings | 64 | Mother-in-law | Waitress | England |
| 62 | Theodore Gittings | 26 | Brother-in-law | Laborer | England |
| 63 | Robert Thomas | 50 | Head | Laborer | Pennsylvania |
| 64 | Laura Thomas | 45 | Wife | — | Pennsylvania |
| 65 | Mildred Robson | 26 | Daughter | — | Pennsylvania |
| 66 | James R. Robson | 25 | Son-in-law | Miner | England |
| 67 | Harold Thomas THIS PERSON | 22 | Son | Laborer | Pennsylvania |
| 68 | Cecil Thomas | 19 | Daughter | Saleslady | Pennsylvania |
| 69 | Gladys Thomas | 11 | Daughter | — | Pennsylvania |
| 70 | William Evans | 53 | Head | Laborer | Wales |
| 71 | Donna Evans | 53 | Wife | — | Wales |
| 72 | William Jr. Evans | 20 | Son | Truck Driver | Pennsylvania |
| 73 | William Boyce | 46 | Head | Miner | Scotland |
| 74 | Janet Boyce | 42 | Wife | — | Scotland |
| 75 | James Boyce | 15 | Son | — | Kansas |
| 76 | Helen Boyce | 11 | Daughter | — | Kansas |
| 77 | William Jr. Boyce | 8 | Son | — | Ohio |
| 78 | John O. Parry | 60 | Head | Laborer | Wales |
| 79 | Dorothy Parry | 64 | Wife | — | Wales |
| 80 | Nellie Williams | 40 | Daughter | — | Wales |
| 81 | Irma L. Williams | 16 | Daughter | Stenographer | Pennsylvania |
| 82 | Arthur Williams | 10 | Grandson | — | Pennsylvania |
| 83 | Elizabeth Sherman | 50 | Head | — | South Wales |
| 84 | George Sherman | 27 | Son | Car Inspector | Pennsylvania |
| 85 | John B. Davis | 51 | Head | Laborer | Pennsylvania |
| 86 | Mary E. Davis | 51 | Wife | — | Wales |
| 87 | Thomas Davis | 24 | Son | Mail Carrier | Pennsylvania |
| 88 | Beatrice Davis | 20 | Daughter | — | Pennsylvania |
| 89 | Wendell Davis | 18 | Son | — | Pennsylvania |
| 90 | Elizabeth Davis | 16 | Daughter | — | Pennsylvania |
| 91 | Edgar Davis | 15 | Son | — | Pennsylvania |
| 92 | Leona Davis | 11 | Daughter | — | Pennsylvania |
| 93 | Violet Davis | 9 | Daughter | — | Pennsylvania |
| 94 | Margaret Davis | 6 | Daughter | — | Pennsylvania |
| 95 | James William Davis | 53 | Brother | — | Wales |
| 96 | Alexander Humberg | 58 | Head | Asst Manager | Germany |
| 97 | Anna Humberg | 49 | Wife | — | Pennsylvania |
| 98 | William Humberg | 33 | Son | — | Pennsylvania |
| 99 | Gladys Humberg | 26 | Daughter | — | Pennsylvania |
| 100 | Harvey Davis | 31 | Son-in-law | Section Foreman | Pennsylvania |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 7 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)