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Thomas Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dorchester-County, Maryland
Our Model Tree links this Thomas Leonard across the 1920, 1930 and 1940 US Censuses in Dorchester-County, Maryland (XGBoost, ~Confirmed), with identified parents Ivy & Ivy — first a head (b.~1891), then head of a 3-person household.
Age 49
b. ~1891
Male
Head
Born: Maryland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Dorchester-County, Maryland |
| Surname | Leonard |
| Given Name | Thomas B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Additional Details | |
| Occupation | Manager |
| Industry | Oyster Dealer |
| Class of Worker | E |
| Hours Worked | 65 |
| Income (1939) | 1344 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Manager |
| Township / Ward | Cambridge Town |
| Est. Birth Year | ~1891 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Leonard | Head | — | 49 | ~1891 |
| Elsie Leonard | Spouse | — | 38 | ~1902 |
| Joan Leonard | Daughter | — | 9 | ~1931 |
Census Appearances
1920
Dorchester, Maryland
Son, age 28
Dorchester, Maryland · implied b. ~1892 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Thomas B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Asst Mgr |
| Industry | Oyster |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Dorchester, Maryland
Son, age 38
Dorchester, Maryland · implied b. ~1892 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Thomas S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Bookkeeper |
| Industry | Packing Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Dorchester-County, Maryland
Head, age 49
Dorchester-County, Maryland · implied b. ~1891 — 3 household members
| Surname | Leonard |
| Given Name | Thomas B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Maryland |
| 1935 Residence (City) | Cambridge town |
| 1935 Residence (County) | Dorchester |
| Occupation | Manager |
| Industry | Oyster Dealer |
| Class of Worker | E |
| Hours Worked | 65 |
| Income (1939) | 1344 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same house |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Thomas Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ivy Leonard (~0.92 confidence) and mother Ivy Leonard (~0.92 confidence) and mother Mary Leonard (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ivy Leonard
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Ivy Leonard
b. ~1859
Source mother
● Household
· direct · ~0.92
Mother
Mary Leonard
b. ~1861
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Leonard
Head · 1940 · age 49 · b. ~1891 · 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 — Dorchester-County, Maryland
Open full size
1940 US Federal Census — Dorchester-County, Maryland
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01547-00268)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mccoy A. Fall | 34 | Head | Electrician | Maryland |
| 2 | Esther M. Fall | 31 | Wife | — | Maryland |
| 3 | Barbara Anne Fall | 5 | Daughter | — | Maryland |
| 4 | William B. Stack | 29 | Head | Driver Of Delivery Truck | Maryland |
| 5 | Edna D. Stack | 30 | Wife | — | Maryland |
| 6 | Robert B. Stack | 11 | Son | — | Maryland |
| 7 | Henry M. Handy | 48 | Head | Janitor | Maryland |
| 8 | Edna G. Handy | 50 | Wife | Seamstress | Maryland |
| 9 | Thomas E. Applegarth | 55 | Head | Salesman On Grocery Route | Maryland |
| 10 | Myrtle L. Applegarth | 40 | Wife | — | Maryland |
| 11 | Thomas S. Applegarth | 19 | Son | Salesman For Retail Ready-To-Wear Department Store | Maryland |
| 12 | William S. Carmine | 60 | Head | Agent | Maryland |
| 13 | Clara B. Carmine | 60 | Wife | — | Maryland |
| 14 | F. Jeanette Carmine | 36 | Daughter | School Teacher | Maryland |
| 15 | Ellen Barkley | 63 | Sister-in-law | Saleswoman | Maryland |
| 16 | Thomas B. Leonard THIS PERSON | 49 | Head | Manager | Maryland |
| 17 | Elsie C. Leonard | 38 | Wife | — | Washington, DC |
| 18 | Joan Leonard | 9 | Daughter | — | Maryland |
| 19 | William E. Robbins | 62 | Head | Chief Inspector Oyster Beds | Maryland |
| 20 | Helen L. Robbins | 59 | Wife | — | Maryland |
| 21 | Edward R. Cannon | 17 | Grand-son | Asst Salesman | Maryland |
| 22 | Marguerite Harper | 40 | Head | Bookkeeper | Maryland |
| 23 | Walter L. Harper | 16 | Son | — | Maryland |
| 24 | Alice Mae Harper | 12 | Daughter | — | Maryland |
| 25 | Sally K. Harper | 10 | Daughter | — | Maryland |
| 26 | Marion D. Mohler | 41 | Head | Salesman | Maryland |
| 27 | Elsie Y. Mohler | 39 | Wife | — | Maryland |
| 28 | S. Yates Harris | 8 | Son | — | Delaware |
| 29 | L. Lee Moore | 49 | Head | Merchant | Maryland |
| 30 | Nellie B. Moore | 42 | Wife | — | Maryland |
| 31 | Patrick H. Dawes | 60 | Head | Medical Doctor | Maryland |
| 32 | Winnie A. Dawes | 53 | Wife | — | Maryland |
| 33 | Patience S. Towell | 67 | Head | — | Virginia |
| 34 | Robert L. Powell | 56 | Head | Salesman On Laundry Route | Maryland |
| 35 | Agnes M. Powell | 45 | Wife | — | Maryland |
| 36 | Edward M. Powell | 20 | Son | Driver On Milk Route | Maryland |
| 37 | Agnes M. Powell | 18 | Daughter | — | Maryland |
| 38 | Elva M. Powell | 16 | Daughter | — | Maryland |
| 39 | William K. Powell | 13 | Son | — | Maryland |
Pedigree Summary
Thomas
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)