FJ
Florence Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Plaquemines, Louisiana
Our Model Tree links this Florence Johnson across the 1910, 1920 and 1930 US Censuses in Plaquemines, Louisiana (XGBoost, ~Confirmed), with identified parents George & Horace — first a daughter (b.~1905), then head of a 11-person household.
Age 25
b. ~1905
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Plaquemines, Louisiana |
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Riverside |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Celestine Branch | Daughter | — | 18 | ~1912 |
| Florence Johnson | Daughter | — | 25 | ~1905 |
| Dorothy Johnson | Daughter | — | 8 | ~1922 |
| Isaac Johnson | Head | — | 43 | ~1887 |
| Morris Branch | Other | — | 23 | ~1907 |
| Mosely Johnson | Son | — | 14 | ~1916 |
| Charley Johnson | Son | — | 17 | ~1913 |
| Esker Johnson | Son | — | 19 | ~1911 |
| Nell Johnson | Son | — | 10 | ~1920 |
| Percy Johnson | Son | — | 12 | ~1918 |
| Annie Johnson | Spouse | — | 45 | ~1885 |
Census Appearances
1910
Plaquemines, Louisiana
Daughter, age 6
Plaquemines, Louisiana · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Plaquemines, Louisiana
Daughter, age 15
Plaquemines, Louisiana · implied b. ~1905 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1930
Plaquemines, Louisiana
Daughter, age 25
Plaquemines, Louisiana · implied b. ~1905 — 11 household members
| Surname | Johnson |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 25 |
| 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 |
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 Florence Johnson across 3 US Census years (1910, 1920 and 1930) in Plaquemines, Louisiana, using XGBoost record linkage. Identified parents: father George Johnson (~0.92 confidence) and father Horace Johnson (~0.92 confidence) and mother Celestine Johnson (~0.92 confidence) and mother Annie Johnson (~0.92 confidence) and mother Ernestine Johnson (~0.92 confidence) and father Isaac Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
George Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Horace Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Celestine Johnson
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Annie Johnson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ernestine Johnson
b. ~1886
Source mother
● Household
· direct · ~0.92
Father
Isaac Johnson
b. ~1887
Source father
● Household
· direct · ~0.92
This person
Anchor record
Florence Johnson
Daughter · 1930 · age 25 · b. ~1905 · Louisiana
★ You are viewing this record
Sibling
Mosely Johnson
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Johnson
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nell Johnson
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charley Johnson
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Celestine Branch
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Percy Johnson
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Esker Johnson
Sibling · 1930 · 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
1930 US Federal Census — Plaquemines, Louisiana
Open full size
1930 US Federal Census — Plaquemines, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus815unit:0142)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Isard Morris | 20 | Head | Farm Laborer | Louisiana |
| 2 | Bernice Morris | 16 | Wife | — | Louisiana |
| 3 | Isard Jr. Morris | 1 | Son | — | Louisiana |
| 4 | Adrie Morris | 0 | Daughter | — | Louisiana |
| 5 | Alice Morris | 11 | Sister | — | Louisiana |
| 6 | Priscilla Morris | 8 | Sister | — | Louisiana |
| 7 | Sidney Bernel | 36 | Head | Farmer | Louisiana |
| 8 | Maude Bernel | 28 | Wife | — | Louisiana |
| 9 | Sidney Jr. Bernel | 3 | Son | — | Louisiana |
| 10 | Rosalie Bernel | 1 | Daughter | — | Louisiana |
| 11 | Alice Raegent | 39 | Head | Laborer | Louisiana |
| 12 | Edward Raegent | 17 | Son | Laborer | Louisiana |
| 13 | Theresa Raegent | 16 | Daughter | — | Louisiana |
| 14 | Annie Raegent | 14 | Daughter | — | Louisiana |
| 15 | Phillip Raegent | 12 | Son | — | Louisiana |
| 16 | Lucille Raegent | 10 | Daughter | — | Louisiana |
| 17 | Louis Raegent | 5 | Son | — | Louisiana |
| 18 | Louis Chauvin | 51 | Head | Laborer | Louisiana |
| 19 | Annie Chauvin | 47 | Wife | — | Louisiana |
| 20 | Louis Jr. Chauvin | 14 | Son | — | Louisiana |
| 21 | Gibson Williams | 54 | Head | Laborer | Louisiana |
| 22 | Rebecca Williams | 57 | Wife | — | Louisiana |
| 23 | Isaac Harrison | 58 | Head | Laborer | Louisiana |
| 24 | Sadie Harrison | 54 | Wife | — | Louisiana |
| 25 | James Harrison | 20 | Son | Laborer | Louisiana |
| 26 | Bertus Harrison | 14 | Daughter | — | Louisiana |
| 27 | James Bradley | 50 | Head | Laborer | Louisiana |
| 28 | Annie Bradley | 40 | Wife | — | Louisiana |
| 29 | Lawrence Bradley | 17 | Son | Laborer | Louisiana |
| 30 | James Reed | 49 | Head | Laborer | Louisiana |
| 31 | Josephine Reed | 41 | Wife | — | Louisiana |
| 32 | Walter Reed | 18 | Son | Laborer | Louisiana |
| 33 | Sam Reed | 16 | Son | — | Louisiana |
| 34 | Lydia Reed | 14 | Daughter | — | Louisiana |
| 35 | Zelda Reed | 10 | Daughter | — | Louisiana |
| 36 | Rosalie Reed | 8 | Daughter | — | Louisiana |
| 37 | Samuel Reed | 6 | Daughter | — | Louisiana |
| 38 | Dominick Loday | 32 | Boarder | Laborer | Louisiana |
| 39 | Isaac Johnson | 43 | Head | Laborer | Louisiana |
| 40 | Annie Johnson | 45 | Wife | — | Louisiana |
| 41 | Florence Johnson THIS PERSON | 25 | Daughter | — | Louisiana |
| 42 | Esker Johnson | 19 | Son | Laborer | Louisiana |
| 43 | Charley Johnson | 17 | Son | — | Louisiana |
| 44 | Mosely Johnson | 14 | Son | — | Louisiana |
| 45 | Percy Johnson | 12 | Son | — | Louisiana |
| 46 | Nell Johnson | 10 | Son | — | Louisiana |
| 47 | Dorothy Johnson | 8 | Daughter | — | Louisiana |
| 48 | Morris Branch | 23 | Son-in-law | — | Louisiana |
| 49 | Celestine Branch | 18 | Daughter | — | Louisiana |
| 50 | Allen Aubert | 40 | Head | Laborer | Louisiana |
Related Census Records
Pedigree Summary
Florence + 7 siblings
Gen 1 · 6 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)