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Dorothy Watson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Pennsylvania
Our Model Tree links this Dorothy Watson across the 1930 and 1940 US Censuses in Montgomery-County, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 9-person household.
Age 17
b. ~1923
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Pennsylvania |
| Surname | Watson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conshohocken |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Conshohocken |
| Est. Birth Year | ~1923 |
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 Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Marcella Watson | Daughter | — | 17 | ~1923 |
| James Watson | Head | — | 42 | ~1898 |
| Mary Watson | Spouse | — | 36 | ~1904 |
| Dorothy Watson | Daughter | — | 17 | ~1923 |
| Elizabeth Watson | Daughter | — | 10 | ~1930 |
| Charlotte Watson | Daughter | — | 6 | ~1934 |
| Margaret Watson | Daughter | — | 9 | ~1931 |
| Claire Watson | Daughter | — | 3 | ~1937 |
| James Watson | Son | — | 15 | ~1925 |
Census Appearances
1930
Montgomery, Pennsylvania
Daughter, age 7
Montgomery, Pennsylvania · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Watson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Montgomery-County, Pennsylvania
Daughter, age 17
Montgomery-County, Pennsylvania · implied b. ~1923 — 9 household members
| Surname | Watson |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Conshohocken |
| 1935 Residence (County) | Montgomery |
| Class of Worker | 0 |
| Highest Grade | H 3 |
| 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 Dorothy Watson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dorothy Watson
Daughter · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
James Watson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcella Watson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elizabeth Watson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Watson
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Watson
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Watson
Sibling · 1940 · age 9
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 — Montgomery-County, Pennsylvania
Open full size
1940 US Federal Census — Montgomery-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03578-00269)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Hammer | 19 | Daughter | Stenographer | Pennsylvania |
| 2 | Louis Kassabky | 38 | Head | Cabinet Maker | Pennsylvania |
| 3 | Stella Kassabky | 39 | Wife | — | Pennsylvania |
| 4 | Anna Kassabky | 17 | Daughter | — | Pennsylvania |
| 5 | Marie Kassabky | 14 | Daughter | — | Pennsylvania |
| 6 | John Kassabky | 14 | Son | — | Pennsylvania |
| 7 | Gus Kassabky | 10 | Son | — | Pennsylvania |
| 8 | Thos. H. Fairlie | 30 | Head | State Health | Pennsylvania |
| 9 | Alice S. Fairlie | 28 | Wife | — | Pennsylvania |
| 10 | Anne Louise Fairlie | 2 | Daughter | — | Pennsylvania |
| 11 | Catherine Fairlie | 6 | Daughter | — | Pennsylvania |
| 12 | Janet Fairlie | 2 | Daughter | — | Pennsylvania |
| 13 | Ella A. Fairlie | 70 | Mother | — | Pennsylvania |
| 14 | James Edward Watson | 42 | Head | Furnace Operator | Pennsylvania |
| 15 | Mary E. Watson | 36 | Wife | — | Pennsylvania |
| 16 | Dorothy Watson THIS PERSON | 17 | Daughter | — | Pennsylvania |
| 17 | Marcella Watson | 17 | Daughter | — | Pennsylvania |
| 18 | James Jr. Watson | 15 | Son | — | Pennsylvania |
| 19 | Elizabeth Watson | 10 | Daughter | — | Pennsylvania |
| 20 | Margaret Watson | 9 | Daughter | — | Pennsylvania |
| 21 | Charlotte Watson | 6 | Daughter | — | Pennsylvania |
| 22 | Claire Watson | 3 | Daughter | — | Pennsylvania |
| 23 | Mary A. Kirkpatrick | 38 | Head | School Teacher | Pennsylvania |
| 24 | William Kirkpatrick | 70 | Father | Laborer | Free State Ireland |
| 25 | Catherine P. Kirkpatrick | 34 | Sister | Marker | Pennsylvania |
| 26 | Anna A. Roper | 79 | Mother | — | Pennsylvania |
| 27 | Thomas Kirkland | 75 | Head | — | England |
| 28 | Emma Kirkland | 66 | Wife | — | Pennsylvania |
| 29 | Thomas Fogard | 46 | Son in law | Office Clerk | Pennsylvania |
| 30 | Sabina Fogard | 40 | Daughter | — | Pennsylvania |
| 31 | William Fogard | 17 | Grandson | — | Pennsylvania |
| 32 | James Booth | 45 | Lodger | Carpenter | Pennsylvania |
| 33 | Henry Scott | 51 | Head | Laborer | Virginia |
| 34 | Marie Scott | 47 | Wife | — | Pennsylvania |
| 35 | Leonard Scott | 46 | Lodger | Store Clerk | Virginia |
| 36 | Herman Albright | 59 | Lodger | Laborer | North Carolina |
| 37 | Chester Kneasky | 46 | Head | Signal Maintainer | Poland |
| 38 | Anna Kneasky | 35 | Wife | — | Pennsylvania |
| 39 | John Kneasky | 13 | Son | — | Pennsylvania |
| 40 | Joseph Kneasky | 10 | 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)