JL
John Leonard — 1930 US Census Record
Model Tree available1930 United States Federal Census · Orleans, Louisiana
Our Model Tree links this John Leonard across the 1920, 1930 and 1940 US Censuses in Orleans, Louisiana (XGBoost, ~Confirmed), with identified parents Monty — first a head (b.~1887), then head of a 8-person household.
Age 43
b. ~1887
Male
Head
Born: Louisiana
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Orleans, Louisiana |
| Surname | Leonard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Occupation | Stableman |
| Industry | Postman |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.50 |
| Radio Set | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Stableman |
| Township / Ward | New Orleans City |
| Est. Birth Year | ~1887 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mercedes Leonard | Daughter | — | 17 | ~1913 |
| Florilda Leonard | Daughter | — | 14 | ~1916 |
| Elvira Leonard | Daughter | — | 7 | ~1923 |
| John Leonard | Head | — | 43 | ~1887 |
| Joseph Leonard | Son | — | 10 | ~1920 |
| John Leonard | Son | — | 8 | ~1922 |
| Loyd Leonard | Son | — | 21 | ~1909 |
| Emma Leonard | Spouse | — | 42 | ~1888 |
Census Appearances
1920
Orleans, Louisiana
Head, age 33
Orleans, Louisiana · implied b. ~1887 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Year of Immigration | 1884 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Year of Naturalization | 1889 |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Head, age 43
Orleans, Louisiana · implied b. ~1887 — 8 household members
| Surname | Leonard |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 43 |
| Marital Status | Married |
| Birthplace | Louisiana |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Stableman |
| Industry | Postman |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.50 |
| Radio Set | R |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Son, age 48
Orleans-County, Louisiana · implied b. ~1892 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leonard |
| Given Name | John |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Occupation | agent |
| Industry | life insurance |
| Class of Worker | PW |
| Hours Worked | 45 |
| Income (1939) | 2800 |
| Highest Grade | C 2 |
| 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 John Leonard across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Monty Leonard (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Monty Leonard
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Leonard
Head · 1930 · age 43 · b. ~1887 · Louisiana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Orleans, Louisiana
Open full size
1930 US Federal Census — Orleans, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus804unit:0010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Adam | 40 | Step-Son | — | Louisiana |
| 52 | Marie | 12 | Daughter | — | Louisiana |
| 53 | Tanks Julia | 75 | Mother-in-law | — | Louisiana |
| 54 | John H. Leonard THIS PERSON | 43 | Head | Stableman | Louisiana |
| 55 | Emma Leonard | 42 | Wife | — | Louisiana |
| 56 | Loyd Leonard | 21 | Son | — | Louisiana |
| 57 | Mercedes Leonard | 17 | Daughter | — | Louisiana |
| 58 | Florilda Leonard | 14 | Daughter | — | Louisiana |
| 59 | Joseph Leonard | 10 | Son | — | Louisiana |
| 60 | John Jr. Leonard | 8 | Son | — | Louisiana |
| 61 | Elvira Leonard | 7 | Daughter | — | Louisiana |
| 62 | Joseph Payton | 46 | Head | — | Texas |
| 63 | Hilarie Payton | 14 | Daughter | — | Louisiana |
| 64 | Calvin Payton | 11 | Son | — | Louisiana |
| 65 | Herbert Payton | 8 | Son | — | Louisiana |
| 66 | Emma Payton | 5 | Daughter | — | Louisiana |
| 67 | Thomas Tschirhart | 44 | Head | Dairyman | Texas |
| 68 | Catherine Tschirhart | 44 | Wife | — | Louisiana |
| 69 | Vivian Tschirhart | 18 | Daughter | — | Louisiana |
| 70 | William Mitchell | 41 | Head | Laborer | Louisiana |
| 71 | Ernestine Mitchell | 35 | Wife | — | Louisiana |
| 72 | Clara Jackson | 21 | Boarder | House Work | Louisiana |
| 73 | Elizabeth Butler | 19 | Boarder | — | Louisiana |
| 74 | Alfred W. Murray | 50 | Head | Engineer | Florida |
| 75 | Marie Murray | 39 | Wife | — | Louisiana |
| 76 | Alfred Murray | 13 | Son | — | Louisiana |
| 77 | Marguerite Murray | 11 | Daughter | — | Louisiana |
| 78 | Beatrice Murray | 9 | Daughter | — | Louisiana |
| 79 | Victoria Olivier | 72 | Mother-in-law | — | Louisiana |
| 80 | Leo Olivier | 30 | Brother-in-law | — | Louisiana |
| 81 | Josephine Olivier | 38 | Sister-in-law | Waitress | Louisiana |
| 82 | Paul Damani | 67 | Head | Helper | Ohio |
| 83 | Sarah Damani | 50 | Wife | — | Mississippi |
| 84 | Laura M. Guesno | 54 | Sister | — | Louisiana |
| 85 | Marie A. Guesno | 20 | Niece | Bookkeeper | Louisiana |
| 86 | Ernest Belford | 58 | Head | Ironer | Louisiana |
| 87 | Lydia Belford | 43 | Wife | — | Louisiana |
| 88 | Edward Tomlin | 35 | Head | Laborer | Louisiana |
| 89 | Antonia Tomlin | 29 | Wife | — | Louisiana |
| 90 | Rita Tomlin | 3 | Daughter | — | Louisiana |
| 91 | Anthony Tomlin | 5 | Son | — | Louisiana |
| 92 | Andrew Tomlin | 1 | Daughter | — | Louisiana |
| 93 | Emilie Paule | 73 | Gd. Mother | — | Louisiana |
| 94 | Eunice Dromest | 43 | Head | Chef | Spain |
| 95 | Marie Dromest | 35 | Wife | — | Spain |
| 96 | Stella Dromest | 9 | Daughter | — | New York |
| 97 | Marie Dromest | 7 | Daughter | — | Louisiana |
| 98 | Edward Lansler | 39 | Boarder | Steward | Spain |
| 99 | Marie Lansler | 33 | Boarder | — | Spain |
| 100 | Anthony Lansler | 65 | Boarder | — | Spain |
Pedigree Summary
John
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)