RL
Robert Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Robert Leonard across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & John — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Occupation | Laborer |
| Industry | Oil Co |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 788 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Laborer |
| Township / Ward | Boston |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Edward Leonard | Head | — | 52 | ~1888 |
| Ara Leonard | Spouse | — | 45 | ~1895 |
| Florence Leonard | Daughter | — | 15 | ~1925 |
| Irma Leonard | Daughter | — | 23 | ~1917 |
| Robert Leonard | Son | — | 21 | ~1919 |
| Norma Leonard | Daughter | — | 11 | ~1929 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age
Suffolk, Massachusetts · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Robert B |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Ireland Free State |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Son, age 21
Suffolk-County, Massachusetts · implied b. ~1919 — 6 household members
| Surname | Leonard |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Boston |
| 1935 Residence (County) | Suffolk |
| Occupation | Laborer |
| Industry | Oil Co |
| Class of Worker | PW |
| Hours Worked | 13 |
| Income (1939) | 788 |
| Highest Grade | Hs 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 Robert 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 John Leonard (~0.92 confidence) and mother Ara Leonard (~0.92 confidence) and mother Catherine Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Leonard
b. ~1888
Source father
● Household
· direct · ~0.92
Father
John Leonard
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Ara Leonard
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Catherine Leonard
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Leonard
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Norma Leonard
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Leonard
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Leonard
Sibling · 1940 · age 23
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-t0627-01663-00289)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Victor Cuddihy | 45 | Head | Salesman | Poland |
| 2 | Clara Cuddihy | 45 | Wife | — | Poland |
| 3 | Celia Cuddihy | 21 | Daughter | Stitcher | Massachusetts |
| 4 | Nell Cuddihy | 17 | Son | — | Massachusetts |
| 5 | Victor Cuddihy | 14 | Son | — | Massachusetts |
| 6 | Ethel Cuddihy | 11 | Daughter | — | Massachusetts |
| 7 | Edward Leonard | 52 | Head | Laborer | South Carolina |
| 8 | Ara Leonard | 45 | Wife | — | Canada English |
| 9 | Irma Leonard | 23 | Daughter | Servant | Massachusetts |
| 10 | Robert Leonard THIS PERSON | 21 | Son | Laborer | Massachusetts |
| 11 | Florence Leonard | 15 | Daughter | — | Massachusetts |
| 12 | Norma Leonard | 11 | Daughter | — | Massachusetts |
| 13 | Lillian Pratt | 32 | Head | — | Massachusetts |
| 14 | Edward Smith | 47 | Lodger | Painter | Massachusetts |
| 15 | Ernest Mclaughlin | 43 | Lodger | Floor-Layer | Massachusetts |
| 16 | Phillip Rocette | 36 | Head | Nurse | New Hampshire |
| 17 | Viola Rocette | 32 | Wife | — | Massachusetts |
| 18 | Phillip Rocette | 10 | Son | — | Massachusetts |
| 19 | Richard Rocette | 8 | Son | — | Massachusetts |
| 20 | Jeannette Rocette | 2 | Daughter | — | Massachusetts |
| 21 | Lotterio Dageme | 40 | Head | Finisher | Italy |
| 22 | Lucy Dageme | 36 | Wife | — | Italy |
| 23 | Mary Dageme | 18 | Daughter | — | Massachusetts |
| 24 | Evelyn Dageme | 16 | Daughter | — | Massachusetts |
| 25 | John Dageme | 14 | Son | — | Massachusetts |
| 26 | George Trongoni | 32 | Head | Musician | Massachusetts |
| 27 | Lucile Trongoni | 31 | Wife | — | Massachusetts |
| 28 | Norma Trongoni | 11 | Daughter | — | Massachusetts |
| 29 | Clare Trongoni | 9 | Daughter | — | Massachusetts |
| 30 | George Trongoni | 7 | Son | — | Massachusetts |
| 31 | Robert Trongoni | 2 | Son | — | Massachusetts |
| 32 | Mabel Murphy | 54 | Head | Cleaning | Massachusetts |
| 33 | Helen Hanley | 36 | Daughter | Telephone Operator | Massachusetts |
| 34 | James Carter | 59 | Brother | Truck-Driver | Massachusetts |
| 35 | Eva Carter | 55 | Sister-in-law | Cleaning | New Hampshire |
| 36 | Harry Shore | 55 | Head | Capmaker | Russia |
| 37 | Rose Shore | 55 | Wife | — | Russia |
| 38 | Ethel Shore | 27 | Daughter | Stenographer | Massachusetts |
| 39 | Melvin Shore | 23 | Son | News Boy | Massachusetts |
| 40 | Anthony Marriello | 50 | Head | — | Italy |
Pedigree Summary
Robert + 3 siblings
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)