EL
Ernest Lee — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ernest Lee across the 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents David & Ethel — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Lee |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brookline |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Occupation | Chemist |
| Industry | Ink factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1106 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Chemist |
| Township / Ward | Somerville City Of |
| Est. Birth Year | ~1910 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Ernest Lee | Son | — | 30 | ~1910 |
| Ethel Lee | Head | — | 52 | ~1888 |
| Robert Lee | Son | — | 35 | ~1905 |
| Virginia Lee | Daughter | — | 37 | ~1903 |
Census Appearances
1910
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Ernest D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | none |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1910 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 20
Middlesex, Massachusetts · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lee |
| Given Name | Ernest D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Chemist |
| Industry | Chemical Laboratory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 30
Middlesex-County, Massachusetts · implied b. ~1910 — 4 household members
| Surname | Lee |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Brookline |
| 1935 Residence (County) | Norfolk |
| Occupation | Chemist |
| Industry | Ink factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1106 |
| Highest Grade | Hs 4 |
| 1935 Residence | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Ernest Lee across 4 US Census years (1910, 1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father David Lee (~0.92 confidence) and mother Ethel Lee (~0.92 confidence) and mother Ethel Lee (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
David Lee
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Ethel Lee
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Ethel Lee
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Lee
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Robert Lee
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Lee
Sibling · 1940 · age 37
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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
35 people indexed on this census page (nara:1940:m-t0627-01702-00334)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Christina Phillips | 20 | Daughter | Sales Clerk | Massachusetts |
| 42 | Philip Phillips | 18 | Son | Sales Clerk | Massachusetts |
| 43 | Catherine Phillips | 26 | Sister | — | Albania |
| 44 | Theodore Shediac | 29 | Head | Bartender | New York |
| 45 | Josephine Shediac | 24 | Wife | — | Portugal |
| 46 | Carmelo Capriotti | 49 | Head | Peddler | Italy |
| 47 | Laura Capriotti | 45 | Wife | — | Italy |
| 48 | Thomas H. Plant | 31 | Head | Cable Splicer | Massachusetts |
| 49 | James Couture | 32 | Head | Truck Driver | Massachusetts |
| 50 | Catherine Couture | 27 | Wife | Egg Candler | Massachusetts |
| 56 | Rudolph Andrews | 31 | Head | Chef | Maine |
| 57 | Helen Andrews | 22 | Wife | — | Massachusetts |
| 58 | Robert E. Andrews | 2 | Son | — | Massachusetts |
| 59 | Pauline Andrews | 1 | Daughter | — | Massachusetts |
| 60 | Lester Plumer | 16 | Lodger | — | Massachusetts |
| 61 | Aldus Ramos | 69 | Head | — | Massachusetts |
| 62 | Louise Ramos | 39 | Daughter | Artist | Massachusetts |
| 63 | Phyllis Alegre | 26 | Head | Pantry Girl | Portugal |
| 64 | Edith R. Howarth | 48 | Lodger | Presser | England |
| 65 | Dennis Shea | 34 | Head | Fireman | Eire |
| 66 | Ralph Mumery | 49 | Head | Truck Driver | New Hampshire |
| 67 | Robert Howarth | 48 | Head | Electric Welder | England |
| 68 | Frank Buono | 25 | Head | Driver | Massachusetts |
| 69 | Connie Buono | 24 | Wife | — | Massachusetts |
| 70 | Ethel Lee | 52 | Head | — | Massachusetts |
| 71 | Ernest Lee THIS PERSON | 30 | Son | Chemist | Massachusetts |
| 72 | Virginia Lee | 37 | Daughter | Actress | Massachusetts |
| 73 | Robert Francis Lee | 35 | Son | Milk Man | Massachusetts |
| 74 | Antonio Blanch | 69 | Head | Grocer | Italy |
| 75 | Mary Blanch | 66 | Wife | — | Italy |
| 76 | Albert Blanch | 35 | Son | Truck Driver | Massachusetts |
| 77 | Eva Kent | 30 | Head | — | Oregon |
| 78 | Darlene Kent | 9 | Daughter | — | California |
| 79 | Warren Kent | 5 | Son | — | California |
| 80 | Catherine L. Bentley | 61 | Head | — | Louisiana |
Pedigree Summary
Ernest + 2 siblings
Gen 1 · 3 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)