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Edward Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Edward Leonard across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Francis & Anna — first a son (b.~1918), then head of a 10-person household.
Age 22
b. ~1918
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Floor Boy |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 37 |
| Income (1939) | 728 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Floor Boy |
| Township / Ward | Boston |
| Est. Birth Year | ~1918 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Mary Mclean | Other | — | 32 | ~1908 |
| Anna Leonard | Head | — | 54 | ~1886 |
| Constance Leonard | Other | — | 2 | ~1938 |
| Edward Leonard | Son | — | 22 | ~1918 |
| James Leonard | Son | — | 27 | ~1913 |
| Elinor Leonard | Other | — | 25 | ~1915 |
| Beverly Leonard | Other | — | 3 | ~1937 |
| Clare Leonard | Daughter | — | 25 | ~1915 |
| Patricia Leonard | Other | — | 4 | ~1936 |
| Ursula Leonard | Daughter | — | 19 | ~1921 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 1
Suffolk, Massachusetts · implied b. ~1919 — 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 | 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 |
1930
Suffolk, Massachusetts
Son, age 12
Suffolk, 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 | 12 |
| 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
Suffolk-County, Massachusetts
Son, age 22
Suffolk-County, Massachusetts · implied b. ~1918 — 10 household members
| Surname | Leonard |
| Given Name | Edward |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Floor Boy |
| Industry | Box Factory |
| Class of Worker | PW |
| Hours Worked | 37 |
| Income (1939) | 728 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| 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 Francis Leonard (~0.92 confidence) and mother Anna Leonard (~0.92 confidence) and mother Annie Leonard (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Francis Leonard
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Anna Leonard
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Annie Leonard
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Leonard
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Clare Leonard
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ursula Leonard
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Leonard
Sibling · 1940 · age 27
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 — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01676-00178)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Leonard | 54 | Head | — | Massachusetts |
| 2 | Clare Leonard | 25 | Daughter | Clerk | Massachusetts |
| 3 | Edward Leonard THIS PERSON | 22 | Son | Floor Boy | Massachusetts |
| 4 | Ursula Leonard | 19 | Daughter | Closer | Massachusetts |
| 5 | James F. Leonard | 27 | Son | Rewrite Man | Massachusetts |
| 6 | Elinor Leonard | 25 | Daughter-in-law | — | New York |
| 7 | Patricia Leonard | 4 | Granddaughter | — | New York |
| 8 | Beverly Ann Leonard | 3 | Granddaughter | — | Massachusetts |
| 9 | Constance Leonard | 2 | Granddaughter | — | Massachusetts |
| 10 | Mary Mclean | 32 | Boarder | Machine Operator | Massachusetts |
| 11 | Laura Lee Paine | 56 | Head | Clerk-Statistician | Massachusetts |
| 12 | Rufus Pendleton | 54 | Brother-in-law | Salesman | Massachusetts |
| 13 | Margaret Pendleton | 57 | Sister | — | Massachusetts |
| 14 | Eunice Pendleton | 31 | Niece | Stenographer | Massachusetts |
| 15 | Virginia Gullage | 27 | Boarder | Receptionist | Missouri |
| 16 | Hyman Dolouban | 60 | Head | Traveling Salesman | New York |
| 17 | Mabel Dolouban | 55 | Wife | — | Massachusetts |
| 18 | George Ab. Dolouban | 29 | Son | Advertising | Massachusetts |
| 19 | John A. Powers | 35 | Head | Patrolman | Massachusetts |
| 20 | Helen B. Powers | 33 | Wife | — | Massachusetts |
| 21 | Elaine A. Powers | 4 | Daughter | — | Massachusetts |
| 22 | Francis Dorney | 34 | Boarder | Book-Keeping | Massachusetts |
| 23 | John Boyd | 51 | Head | Assembly Machinist | Scotland |
| 24 | Minnie Boyd | 60 | Wife | — | Scotland |
| 25 | Mary Boyd | 20 | Daughter | Typist | Scotland |
| 26 | James Cunningham | 55 | Brother-in-law | Plasterer | Scotland |
| 27 | Bernard Vernon | 49 | Head | Lawyer | Russia |
| 28 | Ida C. Vernon | 40 | Wife | — | Russia |
| 29 | Louise Vernon | 17 | Daughter | — | Massachusetts |
| 30 | David H. Vernon | 14 | Son | — | Massachusetts |
| 31 | Helen Vernon | 11 | Daughter | — | Massachusetts |
| 32 | William Morrissey | 57 | Head | Engine House Foreman | Massachusetts |
| 33 | Isabella Morrissey | 54 | Wife | — | Massachusetts |
| 34 | Harold B. Morrissey | 24 | Son | Ship Fitters Helper | Massachusetts |
| 35 | Margaret Morrissey | 21 | Daughter | New Worker | Massachusetts |
| 36 | Edward King | 76 | Head | — | Connecticut |
| 37 | Mary King | 72 | Wife | — | Connecticut |
| 38 | John King | 37 | Son | Presser Bet Receiver | Massachusetts |
| 39 | Mary L. King | 35 | Daughter | Dietitian | Massachusetts |
| 40 | Virginia King | 33 | Daughter | Ediphone Operator | Massachusetts |
Pedigree Summary
Edward + 3 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)