HW
Harry Watson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Harry Watson across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Frank & Grant — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Cutter |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Cutter |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1915 |
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 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Howard Watson | Son | — | 22 | ~1918 |
| James Watson | Son | — | 26 | ~1914 |
| Wallace Watson | Son | — | 21 | ~1919 |
| Harry Watson | Son | — | 25 | ~1915 |
| Amelia Watson | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 4
Allegheny, Pennsylvania · implied b. ~1916 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 15
Allegheny, Pennsylvania · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Harry |
| 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/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Son, age 25
Allegheny-County, Pennsylvania · implied b. ~1915 — 5 household members
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh City |
| 1935 Residence (County) | Allegheny |
| Occupation | Cutter |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | H 2 |
| 1935 Residence | Same Place |
| 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 Watson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Watson (~0.92 confidence) and father Grant Watson (~0.92 confidence) and mother Amelia Watson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Watson
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Grant Watson
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Amelia Watson
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Watson
Son · 1940 · age 25 · b. ~1915 · Pennsylvania
★ You are viewing this record
Sibling
James Watson
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Watson
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Watson
Sibling · 1940 · age 21
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
1940 US Federal Census — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-03670-00011)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Amelia Watson | 56 | Wife | — | Pennsylvania |
| 2 | James Watson | 26 | Son | Truck Driver | Pennsylvania |
| 3 | Harry Watson THIS PERSON | 25 | Son | Cutter | Pennsylvania |
| 4 | Howard Watson | 22 | Son | Helper | Pennsylvania |
| 5 | Wallace Watson | 21 | Son | Laborer | Pennsylvania |
| 6 | Anne Hruby | 46 | Head | — | Czechoslovakia |
| 7 | John Hruby | 14 | Son | — | Pennsylvania |
| 8 | Peter Urenovich | 65 | Head | Watchman | Poland |
| 9 | Helen Urenovich | 60 | Wife | — | Poland |
| 10 | Adolph Urenovich | 35 | Son | — | Poland |
| 11 | Alice Urenovich | 30 | Daughter | — | Poland |
| 12 | Levelle Smith | 25 | Head | Telephone Operator | Pennsylvania |
| 13 | Virginia Smith | 25 | Wife | Punch Press Operator | Pennsylvania |
| 14 | John Starkey | 27 | Head | County Operator | Pennsylvania |
| 15 | Sophie Starkey | 25 | Wife | Paper Cutter | Pennsylvania |
| 16 | Dolores Starkey | 7 | Daughter | — | Pennsylvania |
| 17 | Robert Starkey | 3 | Son | — | Pennsylvania |
| 18 | Lawrence Miller | 26 | Brother-in-law | Baker | Pennsylvania |
| 19 | Felix Miller | 22 | Brother-in-law | Baker Helper | Pennsylvania |
| 20 | John Starobis | 67 | Head | Laborer | Lithuania |
| 21 | Minnie Starobis | 53 | Wife | — | Lithuania |
| 22 | Constantine Starobis | 23 | Son | — | Pennsylvania |
| 23 | Raphael Lipp | 31 | Head | Clerk | Pennsylvania |
| 24 | Margaret Lipp | 23 | Wife | Laborer | Pennsylvania |
| 25 | Ralph R. Lipp | 1 | Son | — | Pennsylvania |
| 26 | Harry R. C. Markel | 48 | Head | Truck Driver | Pennsylvania |
| 27 | Ann E. Markel | 42 | Wife | — | Pennsylvania |
| 28 | Wilbert L. Markel | 20 | Son | Laborer | Pennsylvania |
| 29 | Virginia M. Markel | 15 | Daughter | New Worker | Pennsylvania |
| 30 | Anna Ketner | 64 | Head | — | Pennsylvania |
| 31 | Charles Chetham | 71 | Lodger | — | Ohio |
| 32 | Armond Trapuzzano | 30 | Head | Mechanic | Pennsylvania |
| 33 | Grace Trapuzzano | 27 | Wife | — | Pennsylvania |
| 34 | Harry J. Harding | 33 | Head | Laborer | Pennsylvania |
| 35 | Edna Harding | 38 | Wife | — | Pennsylvania |
| 36 | James Smith | 17 | Step-son | — | Pennsylvania |
| 37 | Allen Dean Smith | 13 | Step-son | — | Pennsylvania |
| 38 | Samuel Udman | 60 | Head | Merchant | Romania |
| 39 | Edith H. Udman | 33 | Daughter | Stenographer | Pennsylvania |
Pedigree Summary
Harry + 3 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 1940 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)