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Harry Thomas — 1910 US Census Record
Model Tree available1910 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Harry Thomas across the 1910, 1920 and 1930 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents Harry & Mary — first a son (b.~1909), then head of a 5-person household.
Age 1
b. ~1909
Male
Son
Born: Pennsylvania
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Allegheny, Pennsylvania |
| Surname | Thomas |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ire English |
| Additional Details | |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Pittsburg City |
| Est. Birth Year | ~1909 |
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.
5 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Thomas | Head | — | 26 | ~1884 |
| Bridget Mcglaughlin | Other | — | 16 | ~1894 |
| James Mcglaughlin | Other | — | 19 | ~1891 |
| Harry Thomas | Son | — | 1 | ~1909 |
| Mary Thomas | Spouse | — | 24 | ~1886 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 1
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
| Surname | Thomas |
| Given Name | Harry A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ire English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Alleghany, Pennsylvania
Son, age 11
Alleghany, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harris |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 21
Allegheny, Pennsylvania · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Harris |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Office Clerk |
| Industry | Box Factory |
| 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 Harry Thomas across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Harry Thomas (~0.92 confidence) and mother Mary Thomas (~0.92 confidence) and father Louis Thomas (~0.92 confidence) and father Lewis Thomas (~0.92 confidence) and mother Edith Thomas (~0.92 confidence) and mother Edith Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mary Thomas
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Louis Thomas
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Lewis Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Edith Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Edith Thomas
b. ~1891
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Thomas
Son · 1910 · age 1 · b. ~1909 · Pennsylvania
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Allegheny, Pennsylvania
Open full size
1910 US Federal Census — Allegheny, Pennsylvania
Page Contents
23 people indexed on this census page (ia:1910:13thcensus1910po1302unit:0892)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Marie E Kreuger | 30 | Wife | — | Pennsylvania |
| 52 | Thomas W Trig | 35 | Head | Salesman | Kentucky |
| 53 | Mayme E Trig | 34 | Wife | — | Kentucky |
| 54 | Uther J Trig | 12 | Son | — | Kentucky |
| 55 | Warren M Trig | 25 | Brother | Salesman | Kentucky |
| 56 | Harry Thomas | 26 | Head | Worker | Pennsylvania |
| 57 | Mary A Thomas | 24 | Wife | — | Ire English |
| 58 | Harry A Thomas THIS PERSON | 1 | Son | — | Pennsylvania |
| 59 | James Mcglaughlin | 19 | Brotherinlaw | — | Ire English |
| 60 | Bridget Mcglaughlin | 16 | Sisterinlaw | — | Ire English |
| 61 | Ralph Dotty | 36 | Head | Foreman | Pennsylvania |
| 62 | Lena Dotty | 29 | Wife | — | Pennsylvania |
| 63 | Marion Dotty | 3 | Daughter | — | Pennsylvania |
| 64 | Eveline Dotty | 1 | Daughter | — | Pennsylvania |
| 65 | David Sutter | 48 | Head | Heater | Ire English |
| 66 | Margaret Sutter | 41 | Wife | — | Scot English |
| 67 | Jennett Sutter | 24 | Daughter | — | Scot English |
| 68 | Robert Sutter | 20 | Son | Machinist | Pennsylvania |
| 69 | Thomas Sutter | 16 | Son | Salesman | Pennsylvania |
| 70 | Margaret Sutter | 12 | Daughter | — | Pennsylvania |
| 71 | David Sutter | 9 | Son | — | Pennsylvania |
| 72 | Harry Mckee | 26 | Boarder | Painter | Ire English |
| 73 | John Mault | 27 | Boarder | Builder | Ire English |
Pedigree Summary
Harry
Gen 1 · 6 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)