JL
Joseph Leonard — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this Joseph Leonard across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Male
Son
Born: Louisiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Leonard |
| Given Name | Joseph F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | New Orleans City |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| James Leonard | Son | — | 19 | ~1921 |
| Alice Leonard | Head | — | 50 | ~1890 |
| Joseph Leonard | Son | — | 22 | ~1918 |
Census Appearances
1920
Orleans, Louisiana
Son, age 2
Orleans, Louisiana · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Son, age 12
Orleans, Louisiana · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 22
Orleans-County, Louisiana · implied b. ~1918 — 3 household members
| Surname | Leonard |
| Given Name | Joseph F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans |
| Hours Worked | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
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 Joseph Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Leonard (~0.92 confidence) and father Joseph Leonard (~0.92 confidence) and mother Alice Leonard (~0.92 confidence) and mother Marie Leonard (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Leonard
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Joseph Leonard
b. ~1878
Source father
● Household
· direct · ~0.92
Mother
Alice Leonard
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Marie Leonard
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Leonard
Son · 1940 · age 22 · b. ~1918 · Louisiana
★ You are viewing this record
Sibling
James Leonard
Sibling · 1940 · age 19
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 — Orleans-County, Louisiana
Open full size
1940 US Federal Census — Orleans-County, Louisiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01432-00614)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Aimee Charlotte | 52 | Head | Laborer | Louisiana |
| 2 | Albertha Charlotte | 30 | Son | Laborer | Mississippi |
| 3 | Alphonse Charlotte | 29 | Son | Porter | Mississippi |
| 4 | Robert Charlotte | 24 | Son | Stock Clerk | Mississippi |
| 5 | Walter Charlotte | 19 | Son | — | Mississippi |
| 6 | Lucien Charlotte | 17 | Son | — | Mississippi |
| 7 | Henry Charlotte | 15 | Son | — | Mississippi |
| 8 | Yim Ching | 41 | Head | Laundry | China |
| 9 | Fm Ching | 18 | Son | — | China |
| 10 | James Davideco | 38 | Head | Proprietor | Louisiana |
| 11 | Viola Davideco | 40 | Wife | Proprietor | Louisiana |
| 12 | Isom Davideco | 41 | Cousin | — | Louisiana |
| 13 | Leitha Henson | 22 | Head | Proprietor | Oklahoma |
| 14 | Frank Selvaggio | 52 | Head | Proprietor | Italy |
| 15 | Anna Selvaggio | 47 | Wife | — | Italy |
| 16 | Paulo Selvaggio | 25 | Daughter | Switchboard Oper. | Louisiana |
| 17 | Mary Jane Selvaggio | 15 | Daughter | — | Louisiana |
| 18 | Richard P. Ryan | 45 | Head | Foreman | Louisiana |
| 19 | Adelaide Ryan | 42 | Wife | — | Louisiana |
| 20 | Melanie Robert | 73 | Mother-in-law | Manager | Louisiana |
| 21 | Richard Bertel | 40 | Head | Proprietor | Louisiana |
| 22 | Josephine Bertel | 26 | Wife | — | Louisiana |
| 23 | Edith Bertel | 66 | Mother | — | Louisiana |
| 24 | Edgar Bertel | 7 | Son | — | Louisiana |
| 25 | William Waterman | 19 | Nephew | — | Louisiana |
| 26 | Frank Barreca | 35 | Head | Salesman | Louisiana |
| 27 | Josephine Barreca | 32 | Wife | Proprietor | Louisiana |
| 28 | Frank Barreca | 13 | Son | — | Louisiana |
| 29 | Lawrence Barreca | 11 | Son | — | Louisiana |
| 30 | Walter Rupert | 26 | Head | Cashier | New York |
| 31 | Edris Rupert | 29 | Wife | Manager | Louisiana |
| 32 | Walter Jr. Rupert | 4 | Son | — | Louisiana |
| 33 | Ashton Rupert | 2 | Son | — | Louisiana |
| 34 | Florence Theale | 48 | Mother-in-law | Janitress | Louisiana |
| 35 | Grace Thompson | 40 | Head | Proprietor | Missouri |
| 36 | Dorothy Thompson | 16 | Daughter | — | Louisiana |
| 37 | Emma Mott | 65 | Mother | — | Indiana |
| 38 | Alice Leonard | 50 | Head | — | Louisiana |
| 39 | Joseph F. Leonard THIS PERSON | 22 | Son | — | Louisiana |
| 40 | James J. Leonard | 19 | Son | Clerk | Louisiana |
Pedigree Summary
Joseph + 1 sibling
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)