JL
James Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this James Leonard across the 1920, 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed), with identified parents James & Della — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Texas |
| Surname | Leonard |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Dallas City |
| Additional Details | |
| Occupation | Bottler |
| Industry | Wholesale Distillery |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Occupation | Bottler |
| Township / Ward | Dallas City |
| Est. Birth Year | ~1915 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| James Leonard | Head | — | 52 | ~1888 |
| James Leonard | Son | — | 25 | ~1915 |
| Allie Leonard | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Dallas, Texas
Son, age 6
Dallas, Texas · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | none |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1930
Dallas, Texas
Son, age 16
Dallas, Texas · implied b. ~1914 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Can Read/Write | Yes |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Dallas-County, Texas
Son, age 25
Dallas-County, Texas · implied b. ~1915 — 3 household members
| Surname | Leonard |
| Given Name | James R. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | Dallas City |
| Occupation | Bottler |
| Industry | Wholesale Distillery |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 1000 |
| Highest Grade | H 3 |
| 1935 Residence | Same Place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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 James Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Leonard (~0.92 confidence) and mother Della Leonard (~0.92 confidence) and father James Leonard (~0.92 confidence) and mother Lilla Leonard (~0.92 confidence) and mother Allie Leonard (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Leonard
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Della Leonard
b. ~1888
Source mother
● Household
· direct · ~0.92
Father
James Leonard
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Lilla Leonard
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Allie Leonard
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Leonard
Son · 1940 · age 25 · b. ~1915 · Texas
★ 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 — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04173-00517)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clemmie Thompson | 41 | Head | Cook | Louisiana |
| 2 | Ola Lee Howard | 65 | Head | — | Tennessee |
| 3 | Merritt J. Ferrell | 41 | Son-in-law | Salesman | Texas |
| 4 | Mary E. Ferrell | 34 | Daughter | — | Texas |
| 5 | Merritt J. Jr. Ferrell | 10 | Grandson | — | Texas |
| 6 | Richard H. Ferrell | 8 | Grandson | — | Texas |
| 7 | Etta Elliott | 56 | Head | Teacher | Texas |
| 8 | Nannie Elliott | 73 | Mother | — | Texas |
| 9 | Ed Young | 58 | Head | Interior Decorator | Texas |
| 10 | Margaret Young | 38 | Wife | — | Texas |
| 11 | Peggy Young | 19 | Daughter | — | Texas |
| 12 | Lenora Donato | 34 | Head | Seamstress | Texas |
| 13 | Theresa Donato | 11 | Son | — | Texas |
| 14 | Albert Joe Donato | 7 | Son | — | Texas |
| 15 | James Henderson | 38 | Lodger | Yard Man | Texas |
| 16 | Kathryn Henderson | 32 | Lodger's Wife | Typewriter | Texas |
| 17 | James Leonard | 52 | Head | Cabinet Maker | Texas |
| 18 | Allie Mae Leonard | 50 | Wife | — | Texas |
| 19 | James R. Leonard THIS PERSON | 25 | Son | Bottler | Texas |
| 20 | Leon Thurman | 42 | Head | Assistant Cashier | Louisiana |
| 21 | Helen Thurman | 35 | Wife | — | Texas |
| 22 | Linda Thurman | 3 | Daughter | — | Texas |
| 23 | Arnold H. Grote | 31 | Head | Assistant Credit Manager | New York |
| 24 | Mary Louise Grote | 29 | Wife | — | Texas |
| 25 | Ann Grote | 5 | Daughter | — | Texas |
| 26 | M. Cecil Thomas | 48 | Head | Proprietor | Texas |
| 27 | Ethel Thomas | 46 | Wife | — | Illinois |
| 28 | Walter Anderson | 20 | Boarder | Delivery Clerk | Kansas |
| 29 | Nina Young | 72 | Mother-in-law | — | Iowa |
| 30 | Robert Ray | 44 | Head | Proprietor | Minnesota |
| 31 | Onita Ray | 39 | Wife | — | Texas |
| 32 | Robert Ray | 17 | Son | — | Texas |
| 33 | Harold Ray | 15 | Son | — | Texas |
| 34 | Mary Jane Ray | 11 | Daughter | — | Texas |
| 35 | Eugene Ray | 8 | Son | — | Texas |
| 36 | Jean Ray | 5 | Daughter | — | Texas |
| 37 | James F. Bratchen | 27 | Head | Butcher | Texas |
| 38 | Opal Bratchen | 28 | Wife | — | Texas |
| 39 | James F. Bratchen | 6 | Son | — | Texas |
| 40 | Floyd R. Bratchen | 3 | Son | — | Texas |
Pedigree Summary
James
Gen 1 · 5 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)