LS
Leonard Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Baltimore-City-County, Maryland
Our Model Tree links this Leonard Smith across the 1920, 1930 and 1940 US Censuses in Baltimore-City-County, Maryland (XGBoost, ~Confirmed), with identified parents Thomas & Isola — first a son (b.~1905), then head of a 3-person household.
Age 35
b. ~1905
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Baltimore-City-County, Maryland |
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Additional Details | |
| Occupation | Helper |
| Industry | Painter |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Helper |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1905 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Thomas Smith | Head | — | 64 | ~1876 |
| Leonard Smith | Son | — | 35 | ~1905 |
| Isola Smith | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Baltimore, Maryland
Son, age 15
Baltimore, Maryland · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Baltimore, Maryland
Son, age 25
Baltimore, Maryland · implied b. ~1905 — 22 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Virginia |
| Occupation | Printer |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Baltimore-City-County, Maryland
Son, age 35
Baltimore-City-County, Maryland · implied b. ~1905 — 3 household members
| Surname | Smith |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Baltimore |
| 1935 Residence (County) | Baltimore |
| Occupation | Helper |
| Industry | Painter |
| Class of Worker | PW |
| Hours Worked | 15 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 Leonard Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Smith (~0.92 confidence) and mother Isola Smith (~0.92 confidence) and mother Sallie Smith (~0.92 confidence) and father Joseph Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Smith
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Isola Smith
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Sallie Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Father
Joseph Smith
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
Leonard Smith
Son · 1940 · age 35 · b. ~1905 · Maryland
★ 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 — Baltimore-City-County, Maryland
Open full size
1940 US Federal Census — Baltimore-City-County, Maryland
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01541-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry Hoff | 32 | Head | Salesman | Baltimore, Md |
| 2 | Evelyn Hoff | 29 | Wife | — | Baltimore, Md |
| 3 | Barbara Hoff | 1 | Daughter | — | Baltimore, Md |
| 4 | John Hellman | 40 | Head | Fireman | Baltimore, Md |
| 5 | Rose Hellman | 33 | Wife | — | Baltimore, Md |
| 6 | Adelaide Hellman | 10 | Daughter | — | Baltimore, Md |
| 7 | Herbert Nystrom | 27 | Head | Draftsman | Pennsylvania |
| 8 | Jean Nystrom | 22 | Wife | — | Pennsylvania |
| 9 | Deford Waltman | 34 | Head | Auto Repair | Baltimore, Md |
| 10 | Virginia Waltman | 30 | Wife | Clerk | Baltimore, Md |
| 11 | Juanita Waltman | 8 | Daughter | — | Baltimore, Md |
| 12 | Susan Freeburger | 47 | Mother-in-law | — | Baltimore, Md |
| 13 | Oliver Freeburger | 18 | Son-in-law | Order Boy | Baltimore, Md |
| 14 | Hughes Johnson | 29 | Head | Foreman | Kentucky |
| 15 | Loreta Johnson | 29 | Wife | — | Kentucky |
| 16 | Beverly Johnson | 5 | Daughter | — | Indiana |
| 17 | Robert E. Johnson | 0 | Son | — | Baltimore, Md |
| 18 | Fred Liphart | 50 | Head | Laundryman | Baltimore, Md |
| 19 | Florence Liphart | 48 | Wife | — | Maryland |
| 20 | Kathryn Liphart | 30 | Daughter | Technician | Baltimore, Md |
| 21 | George Campbell | 32 | Head | Engineer | Pennsylvania |
| 22 | Margaret M. Campbell | 33 | Wife | — | Baltimore, Md |
| 23 | Michael J. Campbell | 2 | Son | — | Baltimore, Md |
| 24 | Paul J. Campbell | 5 | Son | — | Baltimore, Md |
| 25 | Franklin Williams | 32 | Head | Manager | Indiana |
| 26 | Helene Williams | 30 | Wife | — | Indiana |
| 27 | Marilyn Williams | 4 | Daughter | — | Indiana |
| 28 | Russell De Menna | 32 | Head | Instructor | New Jersey |
| 29 | Christine De Menna | 31 | Wife | — | New York |
| 30 | Harold Bailey | 27 | Head | Radio Engineer | Canada |
| 31 | Pauline Bailey | 21 | Wife | — | Illinois |
| 32 | Gerald Bailey | 0 | Son | — | Baltimore, Md |
| 33 | Ross Gebmeyer | 60 | Head | — | Maryland |
| 34 | Fred W. Gebmeyer | 32 | Son | Painter | Baltimore, Md |
| 35 | Charles L. Gebmeyer | 30 | Son | Clerk | Baltimore, Md |
| 36 | Thomas A. Smith | 64 | Head | Carpenter | Maryland |
| 37 | Isola Smith | 57 | Wife | — | Virginia |
| 38 | Leonard Smith THIS PERSON | 35 | Son | Helper | Virginia |
Pedigree Summary
Leonard
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)