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Edward Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Edward Leonard across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & James — first a son (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Leonard |
| Given Name | Edward V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Vendor |
| Industry | Amusement Park |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Vendor |
| Township / Ward | Medford City |
| 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 Edward | Age | Birth yr |
|---|---|---|---|---|
| Edward Leonard | Head | — | 50 | ~1890 |
| Edward Leonard | Son | — | 23 | ~1917 |
| Julia Leonard | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 2
Middlesex, Massachusetts · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Edward E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 23
Middlesex-County, Massachusetts · implied b. ~1917 — 3 household members
| Surname | Leonard |
| Given Name | Edward V. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford city |
| 1935 Residence (County) | Middlesex |
| Occupation | Vendor |
| Industry | Amusement Park |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 400 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Edward Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Leonard (~0.92 confidence) and father James Leonard (~0.92 confidence) and mother Julia Leonard (~0.92 confidence) and mother Stephanie Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Leonard
b. ~1892
Source father
● Household
· direct · ~0.92
Father
James Leonard
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Julia Leonard
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Stephanie Leonard
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Leonard
Son · 1940 · age 23 · b. ~1917 · Massachusetts
★ 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 — 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-t0627-01611-00508)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Shirley Cramer | 5 | Daughter | — | Massachusetts |
| 2 | Donald Cramer | 2 | Son | — | Massachusetts |
| 3 | Harland Wilbur | 37 | Head | Executive | Massachusetts |
| 4 | Helen Wilbur | 33 | Wife | — | New Jersey |
| 5 | Ralph Wilbur | 8 | Son | — | Massachusetts |
| 7 | John W. Jr. Higgins | 28 | Head | Teacher | Massachusetts |
| 8 | Gloria L. Higgins | 25 | Wife | — | Massachusetts |
| 9 | Joyce Higgins | 2 | Daughter | — | Massachusetts |
| 10 | Thomas G. Marry | 52 | Head | Carpenter | Canada-English |
| 11 | Esther M. Marry | 48 | Wife | — | Canada-English |
| 12 | Mary R. Marry | 13 | Daughter | — | Massachusetts |
| 14 | Clifford R. Landers | 35 | Head | Receiving Clerk | Massachusetts |
| 15 | Alalay E. Landers | 42 | Wife | Teachers | Massachusetts |
| 17 | Shoffin Gustafson | 57 | Head | Seamstress | Sweden |
| 18 | Earl Robertson | 30 | Lodger | Teller | Massachusetts |
| 19 | Marjory Robertson | 30 | Lodger | Typist | Massachusetts |
| 20 | Ezra H. Balmforth | 48 | Head | Salesmanager | Massachusetts |
| 21 | Irene Balmforth | 48 | Wife | — | Massachusetts |
| 22 | Edmund C. Balmforth | 19 | Son | — | Massachusetts |
| 24 | John J. Loan | 64 | Head | Cutting Glass | Massachusetts |
| 25 | Annie E. Loan | 65 | Wife | — | Massachusetts |
| 26 | Albert L. White | 40 | Head | Salesman | Massachusetts |
| 27 | Gertrude M. White | 36 | Wife | — | Massachusetts |
| 28 | Edward P. Donovan | 35 | Head | Welder | Rhode Island |
| 29 | Marion E. Donovan | 38 | Wife | — | Massachusetts |
| 30 | John J. Mcclafferty | 32 | Brother-in-law | Mailman | Massachusetts |
| 31 | Catherine G. Mcclafferty | 29 | Sister-in-law | — | Massachusetts |
| 33 | Luke Corey | 64 | Head | Department Head | Northern Ireland |
| 34 | Catherine E. Corey | 62 | Wife | — | Massachusetts |
| 35 | Madeline Herson | 30 | Lodger | Bookkeeper | Massachusetts |
| 36 | Edward J. Rockwell | 35 | Head | Salesman | New Jersey |
| 37 | Alice C. Rockwell | 47 | Wife | — | Massachusetts |
| 38 | Edward V. Leonard | 50 | Head | Splicer | Massachusetts |
| 39 | Julia O. Leonard | 48 | Wife | — | Massachusetts |
| 40 | Edward V. Leonard THIS PERSON | 23 | Son | Vendor | Massachusetts |
Pedigree Summary
Edward
Gen 1 · 4 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)