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Thomas Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Chester-County, Pennsylvania
Our Model Tree links this Thomas Lee across the 1920, 1930 and 1940 US Censuses in Chester-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Eila & Ida — first a head (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chester-County, Pennsylvania |
| Surname | Lee |
| Given Name | Thomas E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Chester |
| Additional Details | |
| Occupation | Secretary |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Secretary |
| Township / Ward | Downingtown Boro |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Lee | Head | — | 25 | ~1915 |
| Sarah Moore | Other | — | 22 | ~1918 |
| Vernon Lee | Other | — | 24 | ~1916 |
| Barbara Moore | Other | — | 3 | ~1937 |
| William Moore | Other | — | 24 | ~1916 |
| Thomas Lee | Son | — | 1 | ~1939 |
| Dorothy Lee | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Chester, Pennsylvania
Son, age 5
Chester, Pennsylvania · implied b. ~1915 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Thomas E. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Chester, Pennsylvania
Son, age 15
Chester, Pennsylvania · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Thomas |
| 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
Chester-County, Pennsylvania
Head, age 25
Chester-County, Pennsylvania · implied b. ~1915 — 7 household members
| Surname | Lee |
| Given Name | Thomas E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (County) | Chester |
| Occupation | Secretary |
| Industry | Paper Mill |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 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 Thomas Lee across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Eila Lee (~0.92 confidence) and mother Ida Lee (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Eila Lee
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Ida Lee
b. ~1893
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Lee
Head · 1940 · age 25 · b. ~1915 · 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 — Chester-County, Pennsylvania
Open full size
1940 US Federal Census — Chester-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03464-00576)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard G. Nelms | 5 | Son | — | Pennsylvania |
| 2 | Jennie P. Kerso | 63 | Head | Teacher | Pennsylvania |
| 3 | Emily J. Kerso | 27 | Daughter | Teacher | Pennsylvania |
| 4 | William H. Walker | 80 | Head | Foreman | Pennsylvania |
| 5 | Katherine S. Walker | 21 | Daughter-in-law | 0 | Pennsylvania |
| 6 | Howard D. Baldwin | 50 | Head | Assistant Cashier | Pennsylvania |
| 7 | Maude F. Baldwin | 46 | Wife | — | Pennsylvania |
| 8 | Sara B. Foreman | 88 | Mother-in-law | — | Pennsylvania |
| 9 | Ray G. Sheeler | 34 | Head | Dealer | Pennsylvania |
| 10 | Glenna M. Sheeler | 34 | Wife | 0 | Pennsylvania |
| 11 | John P. Barford | 51 | Head | Shipping Clerk | Pennsylvania |
| 12 | Ethel M. Barford | 53 | Wife | — | Pennsylvania |
| 13 | Florence C. Barford | 26 | Daughter | Secretary | Pennsylvania |
| 14 | Annie I. Snyder | 50 | Head | — | Pennsylvania |
| 15 | V. Joseph Snyder | 86 | Father | — | Pennsylvania |
| 16 | Charles W. Mckinney | 65 | Head | Carpenter | Pennsylvania |
| 17 | Ella E. Mckinney | 64 | Wife | — | Pennsylvania |
| 18 | John M. Moyer | 23 | Lodger | Clerk | Pennsylvania |
| 19 | James H. Wood | 25 | Lodger | Clerk | Pennsylvania |
| 20 | J. Kurtz Robinson | 50 | Head | Superintendent | Pennsylvania |
| 21 | Marion D. Robinson | 47 | Wife | — | Pennsylvania |
| 22 | Richard K. Robinson | 22 | Son | — | Pennsylvania |
| 23 | Betty L. Robinson | 17 | Daughter | — | Pennsylvania |
| 24 | William N. Wardlaw | 43 | Head | 67 | Pennsylvania |
| 25 | Mary H. Wardlaw | 40 | Wife | 0 | Pennsylvania |
| 26 | Marilyn C. Wardlaw | 12 | Daughter | — | Pennsylvania |
| 27 | W. David Wardlaw | 10 | Daughter | — | Pennsylvania |
| 28 | M. Jane Wardlaw | 9 | Daughter | — | Pennsylvania |
| 29 | W. Donald Wardlaw | 5 | Son | — | Pennsylvania |
| 30 | Thomas E. Lee THIS PERSON | 25 | Head | Secretary | Pennsylvania |
| 31 | Dorothy L. Lee | 25 | Wife | — | Pennsylvania |
| 32 | Thomas E. Jr. Lee | 1 | Son | — | Pennsylvania |
| 33 | William E. Moore | 24 | Bro-in-law | 48 | Pennsylvania |
| 34 | Sarah E. Moore | 22 | Sister | — | Pennsylvania |
| 35 | Barbara Ann Moore | 3 | Niece | — | Pennsylvania |
| 36 | Vernon Carl Lee | 24 | Brother | Bookkeeper | Pennsylvania |
| 37 | Leonard J. Manst | 44 | Head | Signalman | Pennsylvania |
| 38 | Rachael P. Manst | 40 | Wife | — | Pennsylvania |
| 39 | Dorothy J. Manst | 12 | Daughter | — | Pennsylvania |
| 40 | Mary L. Aheeky | 55 | Head | 50 | Pennsylvania |
Pedigree Summary
Thomas
Gen 1 · 2 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)