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Thomas Gray — 1920 US Census Record
Model Tree available1920 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Thomas Gray across the 1900, 1910 and 1920 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed), with identified parents George & Anna — first a son (b.~1884), then head of a 4-person household.
Age 36
b. ~1884
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Allegheny, Pennsylvania |
| Surname | Gray |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1884 |
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 1920 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Sarah Gray | Daughter | — | 32 | ~1888 |
| Thomas Gray | Son | — | 36 | ~1884 |
| Anna Gray | Head | — | 69 | ~1851 |
| Lucy Gray | Daughter | — | 29 | ~1891 |
Census Appearances
1900
Allegheny, Pennsylvania
Son, age 17
Allegheny, Pennsylvania · implied b. ~1883 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Thomas J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Birth Month | May |
| Birth Year | 1883 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Type writer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Allegheny, Pennsylvania
Son, age 26
Allegheny, Pennsylvania · implied b. ~1884 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Thomas J. |
| 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 | Clerk |
| Industry | Light Power Co. |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 36
Allegheny, Pennsylvania · implied b. ~1884 — 4 household members
| Surname | Gray |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Clerk |
| Industry | Office |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Gray across 3 US Census years (1900, 1910 and 1920) in Allegheny, Pennsylvania, using XGBoost record linkage. Identified parents: father George Gray (~0.92 confidence) and mother Anna Gray (~0.92 confidence) and mother Sarah Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Gray
b. ~1840
Source father
● Household
· direct · ~0.92
Mother
Anna Gray
b. ~1851
Source mother
● Household
· direct · ~0.92
Mother
Sarah Gray
b. ~1852
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Gray
Son · 1920 · age 36 · b. ~1884 · Pennsylvania
★ You are viewing this record
Sibling
Lucy Gray
Sibling · 1920 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sarah Gray
Sibling · 1920 · age 32
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
1920 US Federal Census — Allegheny, Pennsylvania
Open full size
1920 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1527unit:0367)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Miller | 22 | Daughter | — | Pennsylvania |
| 2 | Anna M. Guerle | 47 | Head | — | Pennsylvania |
| 3 | Katherine M. Guerle | 33 | Sister-in-law | Saleslady | Pennsylvania |
| 4 | Joachim G. Guerle | 13 | Son | — | Pennsylvania |
| 5 | Frederick Walliser | 66 | Head | Laborer | New York |
| 6 | Katherine Walliser | 57 | Wife | — | Pennsylvania |
| 7 | Ralph Walliser | 19 | Son | Clerk | Pennsylvania |
| 8 | Frederick Walliser | 17 | Son | Clerk | Pennsylvania |
| 9 | Catherine E. Walliser | 17 | Daughter | Clerk | Pennsylvania |
| 10 | Elizabeth Holt | 56 | Sister | — | Pennsylvania |
| 11 | Louis David | 45 | Roomer | Janitor | Pennsylvania |
| 12 | Patrick Walsh | 58 | Head | Policeman | Ireland |
| 13 | Katherine Walsh | 48 | Wife | — | Ireland |
| 14 | Katherine Walsh | 19 | Daughter | Operator | Pennsylvania |
| 15 | Atchison G. Nicklin | 59 | Lodger | Fireman | Pennsylvania |
| 16 | John W. Lessell | 49 | Head | Superintendent | Germany |
| 17 | Jennie Lessell | 47 | Wife | — | Pennsylvania |
| 18 | Dillie Lessell | 21 | Daughter | — | Pennsylvania |
| 19 | George A. Croffitt | 50 | Head | Promoter | North Carolina |
| 20 | Winifred Croffitt | 55 | Wife | — | Ohio |
| 21 | Mary Warlander | 63 | Head | — | Pennsylvania |
| 22 | Ada Warlander | 19 | Daughter | Factory Hand | Pennsylvania |
| 23 | Lawrence Knoctel | 27 | Head | Plumber | Pennsylvania |
| 24 | Elsie Knoctel | 20 | Wife | — | Maryland |
| 25 | Lawrence W. Knoctel | 2 | Son | — | Pennsylvania |
| 26 | Mary King | 27 | Mother-in-law | Finisher | Vermont |
| 27 | Adele King | 26 | Sister-in-law | — | Pennsylvania |
| 28 | John J. Mclaughlin | 36 | Roomer | Bookkeeper | Pennsylvania |
| 29 | Emily J. Mclaughlin | 28 | Roomer | — | Pennsylvania |
| 30 | George Behr | 56 | Head | Carpenter | Pennsylvania |
| 31 | Elizabeth Behr | 61 | Wife | — | Pennsylvania |
| 32 | Margaret Behr | 22 | Daughter | Clerk | Pennsylvania |
| 33 | William L. Sharp | 34 | Head | Salesman | Pennsylvania |
| 34 | Freda Sharp | 34 | Wife | — | Pennsylvania |
| 35 | Helen J. Sharp | 9 | Daughter | — | Pennsylvania |
| 36 | Wilda Sharp | 7 | Daughter | — | Pennsylvania |
| 37 | Albert J. Gruneberg | 25 | Head | Inspector | Pennsylvania |
| 38 | Anna Gruneberg | 23 | Wife | — | Pennsylvania |
| 39 | Millie Appleton | 51 | Mother-in-law | — | Pennsylvania |
| 40 | Anna Gray | 69 | Head | — | Pennsylvania |
| 41 | Thomas J. Gray THIS PERSON | 36 | Son | Clerk | Pennsylvania |
| 42 | Sarah A. Gray | 32 | Daughter | Dressmaker | Pennsylvania |
| 43 | Lucy A. Gray | 29 | Daughter | — | Pennsylvania |
| 44 | Minnie S. Mcdonald | 48 | Head | — | Pennsylvania |
| 45 | Edna R. Mcdonald | 17 | Daughter | — | Pennsylvania |
| 46 | Henrietta Schultz | 19 | Daughter | Clerk | Pennsylvania |
| 47 | John A. Schultz | 23 | Son-in-law | — | Pennsylvania |
| 48 | Mary E. Wetzel | 25 | Niece | Laborer | Pennsylvania |
| 49 | Anna Wetzel | 5 | Nephew E. | — | Pennsylvania |
| 50 | Carl H. Meyer | 34 | Head | Waiter | Germany |
Pedigree Summary
Thomas + 2 siblings
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 1920 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)