JF
John Frederick — 1940 US Census Record
Model Tree available1940 United States Federal Census · Orleans-County, Louisiana
Our Model Tree links this John Frederick across the 1920, 1930 and 1940 US Censuses in Orleans-County, Louisiana (XGBoost, ~Confirmed), with identified parents John — first a head (b.~1905), then head of a 6-person household.
Age 35
b. ~1905
Male
Head
Born: Louisiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Orleans-County, Louisiana |
| Surname | Frederick |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Additional Details | |
| Occupation | Plasterer |
| Industry | Housing work |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 448 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Plasterer |
| Township / Ward | New Orleans 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| James Landry | Other | — | 29 | ~1911 |
| John Frederick | Head | — | 35 | ~1905 |
| Pearl Landry | Spouse | — | 35 | ~1905 |
| Charles Augusta | Other | — | 52 | ~1888 |
| Eunice Frederick | Spouse | — | 30 | ~1910 |
| Ernestine Hudson | Daughter | — | 13 | ~1927 |
Census Appearances
1920
Orleans, Louisiana
Other, age 12
Orleans, Louisiana · implied b. ~1908 — 49 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | John |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Waiter |
| Industry | Cafe |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Orleans, Louisiana
Son, age 23
Orleans, Louisiana · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frederick |
| Given Name | John Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Orleans-County, Louisiana
Head, age 35
Orleans-County, Louisiana · implied b. ~1905 — 6 household members
| Surname | Frederick |
| Given Name | John R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Louisiana |
| 1935 Residence (City) | New Orleans City |
| 1935 Residence (County) | Orleans Parish |
| Occupation | Plasterer |
| Industry | Housing work |
| Class of Worker | OA |
| Hours Worked | 45 |
| Income (1939) | 448 |
| Highest Grade | H-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 John Frederick across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Frederick (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Frederick
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Frederick
Head · 1940 · age 35 · b. ~1905 · Louisiana
★ 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 — 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-t0627-01432-00426)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eugene A. Lee | 50 | Head | Laborer | Louisiana |
| 2 | Mary Lee | 33 | Wife | — | Louisiana |
| 3 | Edward Lee | 15 | Son | New Worker | Louisiana |
| 4 | Herbert Lee | 12 | Son | — | Louisiana |
| 5 | Melvin Lee | 10 | Son | — | Louisiana |
| 6 | Myron Lee | 8 | Son | — | Louisiana |
| 7 | Lee A. Jr. King | 32 | Head | Laborer | Texas |
| 8 | Martha King | 27 | Wife | — | Louisiana |
| 9 | Lee A. Jr. King | 6 | Son | — | Louisiana |
| 10 | Hazel J. King | 5 | Daughter | — | Louisiana |
| 11 | Ralph J. Picon | 52 | Head | Carpenter | Louisiana |
| 12 | Elizabeth Picon | 48 | Wife | Wash Woman | Louisiana |
| 13 | Arthur Leonard | 22 | Head | Truck Helper | Louisiana |
| 14 | Adeline Leonard | 22 | Wife | — | Louisiana |
| 15 | Jessie Poinson | 27 | Sister-in-law | Housemaid | Louisiana |
| 16 | Joseph Davis | 30 | Head | Laborer | Louisiana |
| 17 | Bertha Davis | 39 | Wife | — | Louisiana |
| 18 | Frances Davis | 59 | Mother | — | Louisiana |
| 19 | Beatrice Landork | 16 | Niece | — | Louisiana |
| 20 | Clodie Torrey | 22 | Head | Clothes Presser | Alabama |
| 21 | Victoria Torrey | 22 | Wife | — | Louisiana |
| 22 | Clodish Torrey | 1 | Son | — | Louisiana |
| 23 | John R. Frederick THIS PERSON | 35 | Head | Plasterer | Louisiana |
| 24 | Eunice Frederick | 30 | Wife | — | Louisiana |
| 25 | Charles Augusta | 52 | Lodger | Sexton | Louisiana |
| 26 | James Landry | 29 | Captain | Laborer | Louisiana |
| 27 | Pearl Ruth Landry | 35 | Wife | House Maid | Louisiana |
| 28 | Ernestine Hudson | 13 | Daughter | House Maid | Louisiana |
| 29 | George Allen | 31 | Head | Laborer | Louisiana |
| 30 | Leola Allen | 27 | Wife | House Maid | Louisiana |
| 31 | Hugh Jr. Ritchie | 32 | Head | Plasterer | Louisiana |
| 32 | Hazel Margaret Ritchie | 28 | Wife | Doesnt Reside In House | Louisiana |
| 33 | Mary Miglore | 57 | Mother-in-law | Sexton In Ch | Louisiana |
| 34 | Elizabeth Vogel | 55 | Aunt | Saleslady | Louisiana |
| 35 | Hugh Jr. Ritchie | 32 | Informant | — | Louisiana |
| 36 | Mary Ritchie | 31 | Wife | — | Louisiana |
| 37 | Margaret Ritchie | 12 | Daughter | — | Louisiana |
| 38 | Alvin Jobe | 43 | Head | Salesman | Louisiana |
| 39 | Viola Jobe | 40 | Wife | — | Louisiana |
| 40 | Vera Jobe | 22 | Daughter | Cashier | Louisiana |
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 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)