TA
Thomas Armstrong — 1930 US Census Record
Model Tree available1930 United States Federal Census · Mercer, Pennsylvania
Our Model Tree links this Thomas Armstrong across the 1910, 1920 and 1930 US Censuses in Mercer, Pennsylvania (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1904), then head of a 10-person household.
Age 26
b. ~1904
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, Pennsylvania |
| Surname | Armstrong |
| Given Name | Thomas V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Teller |
| Industry | Bank |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Teller |
| Township / Ward | Grove City Borough |
| Est. Birth Year | ~1904 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Armstrong | Son | — | 26 | ~1904 |
| John Armstrong | Son | — | 18 | ~1912 |
| Lawrence Dyer | Other | — | 29 | ~1901 |
| John Armstrong | Head | — | 61 | ~1869 |
| Margaret Armstrong | Other | — | 55 | ~1875 |
| Mary Armstrong | Daughter | — | 28 | ~1902 |
| Bessie Amon | Other | — | 19 | ~1911 |
| Clare Armstrong | Son | — | 21 | ~1909 |
| Joseph Armstrong | Son | — | 31 | ~1899 |
| Harold Amon | Other | — | 25 | ~1905 |
Census Appearances
1910
Mercer, Pennsylvania
Son, age 6
Mercer, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Mercer, Pennsylvania
Son, age 15
Mercer, Pennsylvania · implied b. ~1905 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Armstrong |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Mercer, Pennsylvania
Son, age 26
Mercer, Pennsylvania · implied b. ~1904 — 10 household members
| Surname | Armstrong |
| Given Name | Thomas V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Teller |
| Industry | Bank |
| 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 Thomas Armstrong across 3 US Census years (1910, 1920 and 1930) in Mercer, Pennsylvania, using XGBoost record linkage. Identified parents: father John Armstrong (~0.92 confidence) and father John Armstrong (~0.92 confidence) and mother Gertrude Armstrong (~0.92 confidence) and mother Margaret Armstrong (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Armstrong
b. ~1870
Source father
● Household
· direct · ~0.92
Father
John Armstrong
b. ~1869
Source father
● Household
· direct · ~0.92
Mother
Gertrude Armstrong
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Margaret Armstrong
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Armstrong
Son · 1930 · age 26 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Joseph Armstrong
Sibling · 1930 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Armstrong
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clare Armstrong
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Armstrong
Sibling · 1930 · age 18
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 — Mercer, Pennsylvania
Open full size
1930 US Federal Census — Mercer, Pennsylvania
Page Contents
35 people indexed on this census page (ia:1930:fifteenthcensus00reel2076:0567)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Waters | 51 | Head | Manager | Pennsylvania |
| 2 | Oren J. Waters | 18 | Son | None | Pennsylvania |
| 3 | Le Ray, Carleton Waters | 43 | Guest | Marine Engineer | Arizona |
| 4 | Le Ray, Mary Waters | 48 | Guest | Salesman | Ohio |
| 5 | Hoyt, Omar A. Waters | 32 | Guest | Sales Engineer | New Hampshire |
| 6 | Aten, Smith G. Waters | 17 | Roomer | Draftsman (App) | Pennsylvania |
| 7 | Guy L. Cellar | 24 | Head | Machinist | Pennsylvania |
| 8 | Marion F. Cellar | 25 | Wife | None | Pennsylvania |
| 9 | B. Jean Cellar | 2 | Daughter | None | Pennsylvania |
| 10 | John H. Herr | 21 | Head | None | Pennsylvania |
| 11 | Kathryn P. Herr | 21 | Wife-H. | None | Pennsylvania |
| 12 | Marjorie A. Herr | 2 | Daughter | None | Pennsylvania |
| 13 | Helen C. Perrine | 25 | Daughter | Teacher | Pennsylvania |
| 14 | James A. Billingsley | 63 | Head | Laborer | Pennsylvania |
| 15 | Henry Kniv | 72 | Roomer | Laborer | Germany |
| 16 | Eldreda Graham | 29 | Daughter | Teacher | Pennsylvania |
| 17 | Henry C. Moon | 31 | Roomer | Coremaker | Pennsylvania |
| 18 | Mary Deert | 78 | Mother | None | Pennsylvania |
| 19 | Albert Schall | 19 | Nephew | Mechanic | Pennsylvania |
| 20 | Harry Bell | 34 | Head | Proprietor | Italy-Plati |
| 21 | Sylvia Martin | 18 | Maid | Housekeeper | Pennsylvania |
| 22 | Amelia Ziocardi | 20 | Daughter | None | Pennsylvania |
| 23 | Otis Sibley | 21 | Step-son | None | Pennsylvania |
| 24 | Levi Deal | 69 | Head | None (Retired) | Pennsylvania |
| 25 | Mary S. Deal | 58 | Wife-H. | None | Pennsylvania |
| 26 | John W. Armstrong | 61 | Head | Carpenter | Pennsylvania |
| 27 | Margaret N. Armstrong | 55 | Wife-H. | None | Pennsylvania |
| 28 | Joseph S. Armstrong | 31 | Son | Trust Officer | Pennsylvania |
| 29 | Mary C. Armstrong | 28 | Daughter | Teller | Pennsylvania |
| 30 | Thomas V. Armstrong THIS PERSON | 26 | Son | Teller | Pennsylvania |
| 31 | Clare S. Armstrong | 21 | Son | Crane Man | Pennsylvania |
| 32 | John H. Armstrong | 18 | Son | None | Pennsylvania |
| 33 | Bessie Amon | 19 | Roomer | Operator | Pennsylvania |
| 34 | Harold Amon | 25 | Roomer | Machinist | Pennsylvania |
| 35 | Lawrence Dyer | 29 | Roomer | Inspector Parts | Pennsylvania |
Pedigree Summary
Thomas + 4 siblings
Gen 1 · 4 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)