HW
Harry Watson — 1940 US Census Record
Linked across censuses1940 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) — first a head (b.~1878), then head of a 4-person household.
Age 62
b. ~1878
Male
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Grinder |
| Industry | Machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1403 |
| Highest Grade | No Hs 1 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Grinder |
| Township / Ward | Swissvale Borough |
| Est. Birth Year | ~1878 |
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 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Clyde Jones | Other | — | 33 | ~1907 |
| Harry Watson | Head | — | 62 | ~1878 |
| Daisy Jones | Daughter | — | 32 | ~1908 |
| Dora Jones | Other | — | 10 | ~1930 |
Census Appearances
1920
Allegheny, Pennsylvania
Head, age 41
Allegheny, Pennsylvania · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | salesman |
| Industry | telephone co |
| Class of Worker | S |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Head, age 51
Allegheny, Pennsylvania · implied b. ~1879 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 51 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | doubling |
| Industry | Coal & Ice |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 62
Allegheny-County, Pennsylvania · implied b. ~1878 — 4 household members
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Swissvale Borough |
| 1935 Residence (County) | Allegheny |
| Occupation | Grinder |
| Industry | Machine shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1403 |
| Highest Grade | No Hs 1 |
| 1935 Residence | Same house |
| 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.
Show:
This person
Anchor record
Harry Watson
Head · 1940 · age 62 · b. ~1878 · Pennsylvania
★ You are viewing this record
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
40 people indexed on this census page (nara:1940:m-t0627-03418-00823)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred Schaller | 29 | Head | Machinist | Pennsylvania |
| 2 | Agatha Schaller | 26 | Wife | — | Pennsylvania |
| 3 | Betty Rae Schaller | 10 | Daughter | — | Pennsylvania |
| 4 | Nancy Schaller | 5 | Daughter | — | Pennsylvania |
| 5 | Ellen Wending | 53 | Head | — | Pennsylvania |
| 6 | John Wending | 29 | Son | Laborer | Pennsylvania |
| 7 | Viola Wending | 18 | Daughter | New Worker | Pennsylvania |
| 8 | Jacob Wending | 16 | Son | — | Pennsylvania |
| 9 | Lois Wending | 12 | Daughter | — | Pennsylvania |
| 10 | Knox Tani | 54 | Head | Laundryman | Pennsylvania |
| 11 | Paul Delaney | 34 | Head | Inspector | Pennsylvania |
| 12 | Rosella Delaney | 32 | Wife | — | Pennsylvania |
| 13 | Doris Jean Delaney | 11 | Daughter | — | Pennsylvania |
| 14 | Anna May Delaney | 4 | Daughter | — | Pennsylvania |
| 15 | Charles Delaney | 2 | Son | — | Pennsylvania |
| 16 | Paul Allwes | 24 | Head | Inspector | Pennsylvania |
| 17 | Geraldine Allwes | 21 | Wife | — | Pennsylvania |
| 18 | John Clemson | 43 | Head | Machinist | Pennsylvania |
| 19 | Lucille Clemson | 38 | Wife | — | Pennsylvania |
| 20 | Mary Ellen Curry | 9 | Stepdaughter | — | Pennsylvania |
| 21 | James Nanci | 29 | Head | Barber | Pennsylvania |
| 22 | Mary Nanci | 22 | Wife | — | Ohio |
| 23 | James Nanci | 1 | Son | — | Pennsylvania |
| 24 | Joseph Manno | 44 | Head | Proprietor | Italy |
| 25 | Mary Manno | 37 | Wife | — | Pennsylvania |
| 26 | Ralph Manno | 19 | Son | — | Pennsylvania |
| 27 | Theresa Manno | 17 | Daughter | — | Pennsylvania |
| 28 | Frank Manno | 15 | Son | — | Pennsylvania |
| 29 | Joseph Manno | 9 | Son | — | Pennsylvania |
| 30 | John Manno | 3 | Son | — | Pennsylvania |
| 31 | Harry Watson THIS PERSON | 62 | Head | Grinder | Pennsylvania |
| 32 | Clyde Jones | 33 | Son-in-law | Stock Clerk | Pennsylvania |
| 33 | Daisy Jones | 32 | Daughter | — | Pennsylvania |
| 34 | Dora Lee Jones | 10 | Granddaughter | — | Pennsylvania |
| 35 | Frank Bentley | 25 | Head | Laborer | West Virginia |
| 36 | Holne Bentley | 24 | Wife | — | Pennsylvania |
| 37 | Walter Tomlinson | 48 | Head | Automobile Garage Owner | Pennsylvania |
| 38 | Nellie Tomlinson | 36 | Wife | — | Pennsylvania |
| 39 | George Tomlinson | 18 | Son | Laborer | Pennsylvania |
| 40 | Fred Tomlinson | 8 | Son | — | Pennsylvania |
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)