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Harry Watson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Harry Watson across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1916), then head of a 9-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1916 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Mary Watson | Head | — | 55 | ~1885 |
| Gertrude Watson | Daughter | — | 19 | ~1921 |
| Francis Watson | Son | — | 23 | ~1917 |
| Harry Watson | Son | — | 24 | ~1916 |
| Gertrude Watson | Spouse | — | 52 | ~1888 |
| Marie Watson | Daughter | — | 25 | ~1915 |
| Virginia Watson | Daughter | — | 15 | ~1925 |
| William Watson | Son | — | 17 | ~1923 |
| Edward Watson | Son | — | 21 | ~1919 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 13
Philadelphia, Pennsylvania · implied b. ~1917 — 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 | 13 |
| 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
Philadelphia-County, Pennsylvania
Son, age 24
Philadelphia-County, Pennsylvania · implied b. ~1916 — 9 household members
| Surname | Watson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Highest Grade | H-4 |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Watson
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
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Sibling
William Watson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Watson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Watson
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Watson
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Watson
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Watson
Sibling · 1940 · age 23
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03731-00452)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James C. Frazer | 24 | Son | Automobile Mechanic | Pennsylvania |
| 42 | Helen Frazer | 22 | Daughter | Apprentice | Pennsylvania |
| 43 | Margaret Frazer | 20 | Daughter | New Worker | Pennsylvania |
| 44 | John J. Boyd | 55 | Head | Presser | Pennsylvania |
| 45 | Rose H. Boyd | 57 | Wife | Shipper | Pennsylvania |
| 46 | John F. Boyd | 21 | Son | New Worker | Pennsylvania |
| 47 | Elizabeth K. Farrell | 49 | Sister-in-law | Inspector | Pennsylvania |
| 48 | Jessie B. Carver | 58 | Head | — | Pennsylvania |
| 49 | Mary V. Watson | 55 | Head | Pattern Maker | New Jersey |
| 50 | Gertrude Watson | 52 | Wife | — | Eire |
| 51 | Marie Watson | 25 | Daughter | Operator (Sports) | Pennsylvania |
| 52 | Harry Watson THIS PERSON | 24 | Son | — | Pennsylvania |
| 53 | Francis Watson | 23 | Son | Counterman | Pennsylvania |
| 54 | Edward Watson | 21 | Son | Stock Clerk | Pennsylvania |
| 55 | Gertrude Watson | 19 | Daughter | New Worker | Pennsylvania |
| 56 | William Watson | 17 | Son | — | Pennsylvania |
| 57 | Virginia Watson | 15 | Daughter | — | Pennsylvania |
| 58 | Clara J. Moore | 71 | Head | — | Pennsylvania |
| 59 | Elizabeth Rutter | 52 | Niece | Cashier | Pennsylvania |
| 60 | Frank Sommers | 49 | Head | — | Pennsylvania |
| 61 | Ida Sommers | 40 | Sister | Office Clerk | Pennsylvania |
| 62 | John D. Snellbaker | 50 | Head | Oil Truck Driver | Pennsylvania |
| 63 | Mazie Snellbaker | 48 | Wife | — | Pennsylvania |
| 64 | Robert Snellbaker | 17 | Son | New Worker | Pennsylvania |
| 65 | Dorothy Snellbaker | 12 | Daughter | — | Pennsylvania |
| 66 | Charles Snellbaker | 10 | Son | — | Pennsylvania |
| 67 | Gladys Snellbaker | 8 | Daughter | — | Pennsylvania |
| 68 | Fred Krusen | 42 | Head | Policeman | Pennsylvania |
| 69 | Margaret Krusen | 39 | Wife | — | Pennsylvania |
| 70 | Kathleen Krusen | 19 | Daughter | Runner In | Pennsylvania |
| 71 | Mildred Krusen | 16 | Daughter | — | Pennsylvania |
| 72 | Fred Krusen | 11 | Son | — | Pennsylvania |
| 73 | Lillian Krusen | 10 | Daughter | — | Pennsylvania |
| 74 | Robert Krusen | 6 | Son | — | Pennsylvania |
| 75 | James Krusen | 2 | Son | — | Pennsylvania |
| 76 | Herman Ricks | 34 | Head | Butcher | Pennsylvania |
| 77 | Mary Ricks | 35 | Wife | — | Austria |
| 78 | Herman Ricks | 11 | Son | — | Pennsylvania |
| 79 | Joseph Ricks | 9 | Son | — | Pennsylvania |
| 80 | Laura Ricks | 8 | Daughter | — | 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)