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Dorothy Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Westchester-County, New York
Our Model Tree links this Dorothy Lee across the 1920, 1930 and 1940 US Censuses in Westchester-County, New York (XGBoost, ~Confirmed), with identified parents William & William — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Westchester-County, New York |
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Tarrytown |
| 1935 Residence (County) | Westchester |
| Additional Details | |
| Occupation | Technician |
| Industry | Laboratory |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Technician |
| Township / Ward | Tarrytown |
| Est. Birth Year | ~1917 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dorothy | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Lee | Daughter | — | 23 | ~1917 |
| Catherine Lee | Spouse | — | 52 | ~1888 |
| William Lee | Head | — | 54 | ~1886 |
Census Appearances
1920
Westchester, New …
Daughter, age 2
Westchester, New York · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Scotland |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Westchester, New …
Daughter, age 13
Westchester, New York · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Home Owned/Rented | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Westchester-County, New …
Daughter, age 23
Westchester-County, New York · implied b. ~1917 — 3 household members
| Surname | Lee |
| Given Name | Dorothy |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Tarrytown |
| 1935 Residence (County) | Westchester |
| Occupation | Technician |
| Industry | Laboratory |
| Class of Worker | PW |
| Income (1939) | 900 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lee (~0.92 confidence) and father William Lee (~0.92 confidence) and mother Katherine Lee (~0.92 confidence) and father William Lee (~0.92 confidence) and mother Kathryn Lee (~0.92 confidence) and mother Catherine Lee (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lee
b. ~1884
Source father
● Household
· direct · ~0.92
Father
William Lee
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Katherine Lee
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
William Lee
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Kathryn Lee
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Catherine Lee
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Dorothy Lee
Daughter · 1940 · age 23 · b. ~1917 · New York
★ 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 — Westchester-County, New York
Open full size
1940 US Federal Census — Westchester-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02804-00108)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James P. Guthrie | 13 | Son | — | New York |
| 42 | Annie Mullery | 59 | Head | Clerk | New York |
| 43 | Marion Stremel | 35 | Daughter | Clerk | New York |
| 44 | Mary Gervais | 79 | Head | — | Vermont |
| 45 | Lora Gervais | 49 | Daughter | Secretary | Massachusetts |
| 46 | Blanche Gervais | 48 | Daughter | Secretary | Rhode Island |
| 47 | Richard Gagney | 17 | Nephew | — | New York |
| 48 | William Lee | 54 | Head | Printer | New York |
| 49 | Catherine Lee | 52 | Wife | — | East Canada |
| 50 | Dorothy Lee THIS PERSON | 23 | Daughter | Technician | New York |
| 51 | Thomas Dennis | 53 | Head | Manager | England |
| 52 | Elsie Dennis | 46 | Wife | — | New York |
| 53 | Richard E. Dennis | 25 | Son | Agent | New York |
| 54 | Nancy Dennis | 16 | Daughter | — | New York |
| 55 | Edna M. Dennis | 14 | Daughter | — | New York |
| 56 | William Dwyer | 54 | Head | Postal Clerk | New York |
| 57 | Catherine Dwyer | 50 | Wife | Clerical Work | New York |
| 58 | Daniel Dwyer | 51 | Brother | Investigator | New York |
| 59 | Joseph Dwyer | 40 | Brother | Broker | New York |
| 60 | Elizabeth Fisher | 63 | Head | — | England |
| 61 | M. Duane Fisher | 27 | Son | Chauffeur | New York |
| 62 | Emily Fisher | 29 | Daughter | Operator | New York |
| 63 | Charles Brown | 70 | Head | — | New York |
| 64 | Myra Brown | 69 | Wife | — | New York |
| 65 | Frank Martin | 27 | Head | Foreman | New York |
| 66 | Eleanor Martin | 23 | Wife | — | New York |
| 67 | Beverly Ann Martin | 1 | Daughter | — | New York |
| 68 | Arthur E. Merency | 39 | Head | Inspector | Connecticut |
| 69 | Nancy Merency | 34 | Wife | — | Virginia |
| 70 | Janet Merency | 15 | Daughter | — | Virginia |
| 71 | Edward J. Fully | 40 | Head | Clerk | New York |
| 72 | Loretta Fully | 35 | Wife | — | New York |
| 73 | Edward J. Jr. Fully | 1 | Son | — | New York |
| 74 | Horace E. Clapp | 51 | Head | — | Rhode Island |
| 75 | Frazer J. Clapp | 57 | Head | Foreman | New York |
| 76 | Wilfrid Sanger | 57 | Head | Owner | England |
| 77 | Stella Sanger | 37 | Wife | — | Poland |
| 78 | Jack Ratner | 39 | Head | Owner | Poland |
| 79 | Ruth Ratner | 36 | Wife | — | New York |
| 80 | Judith Ratner | 10 | Daughter | — | New York |
Pedigree Summary
Dorothy
Gen 1 · 6 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)