BJ
Bertha Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Rapides, Louisiana
Our Model Tree links this Bertha Johnson across the 1910, 1920 and 1930 US Censuses in Rapides, Louisiana (XGBoost, ~Confirmed), with identified parents Ike & Pete — first a daughter (b.~1907), then head of a 3-person household.
Age 23
b. ~1907
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Rapides, Louisiana |
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Occupation | Laundry |
| Industry | Steam Laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Occupation | Laundry |
| Township / Ward | Alexandria City |
| Est. Birth Year | ~1907 |
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 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Bertha Johnson | Daughter | — | 23 | ~1907 |
| Beverly Johnson | Daughter | — | 21 | ~1909 |
| Felix Johnson | Head | — | 45 | ~1885 |
Census Appearances
1910
Rapides, Louisiana
Daughter, age 1
Rapides, Louisiana · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1920
Rapides, Louisiana
Daughter, age 11
Rapides, Louisiana · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| 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
Rapides, Louisiana
Daughter, age 23
Rapides, Louisiana · implied b. ~1907 — 3 household members
| Surname | Johnson |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Occupation | Laundry |
| Industry | Steam Laundry |
| Class of Worker | W |
| 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 Bertha Johnson across 3 US Census years (1910, 1920 and 1930) in Rapides, Louisiana, using XGBoost record linkage. Identified parents: father Ike Johnson (~0.92 confidence) and mother Pete Johnson (~0.92 confidence) and father Felix Johnson (~0.92 confidence) and mother Lizzie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ike Johnson
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Pete Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
Father
Felix Johnson
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Lizzie Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Bertha Johnson
Daughter · 1930 · age 23 · b. ~1907 · Louisiana
★ You are viewing this record
Sibling
Beverly Johnson
Sibling · 1930 · age 21
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 — Rapides, Louisiana
Open full size
1930 US Federal Census — Rapides, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus816unit:0436)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Felix Johnson | 45 | Head | — | Louisiana |
| 52 | Bertha Johnson THIS PERSON | 23 | Daughter | Laundry | Louisiana |
| 53 | Beverly Mary Johnson | 21 | Daughter | Laundry | Louisiana |
| 54 | Taylor Sprouls | 35 | Head | Surfacing Machine | Louisiana |
| 55 | Alma Sprouls | 34 | Wife | Cook | Louisiana |
| 56 | Lillian Page | 29 | Head | — | Louisiana |
| 57 | Haskin Page | 25 | Son | Cook | Louisiana |
| 58 | Nelson Page | 11 | Nephew | — | Louisiana |
| 59 | Ransom Brazile | 36 | Head | Porter | Louisiana |
| 60 | Celeste Brazile | 32 | Wife | Laundry | Louisiana |
| 61 | Annie Brazile | 10 | Daughter | — | Louisiana |
| 62 | James Brazile | 9 | Son | — | Louisiana |
| 63 | Casey Brazile | 7 | Son | — | Louisiana |
| 64 | Sam Thomas | 48 | Head | Fireman | Louisiana |
| 65 | Sallie Thomas | 19 | Daughter | — | Louisiana |
| 66 | Alfred Harris | 52 | Head | Oiler | Louisiana |
| 67 | Louie Harris | 38 | Wife | Servant | Louisiana |
| 68 | Sallie Harris | 17 | Daughter | — | Louisiana |
| 69 | Orae Ball | 72 | Boarder | — | Louisiana |
| 70 | Mary Givens | 45 | Head | Nurse | Louisiana |
| 71 | Sam Givens | 17 | Son | Lumber Stacker | Louisiana |
| 72 | Pinkey Givens | 16 | Daughter | Nurse | Louisiana |
| 73 | Mabel Givens | 14 | Daughter | — | Louisiana |
| 74 | Ruby Givens | 9 | Daughter | — | Louisiana |
| 75 | James Mosby | 51 | Head | Fireman | Louisiana |
| 76 | Julia Mosby | 50 | Wife | — | Louisiana |
| 77 | Martha Thomas | 10 | Adopted Daughter | — | Louisiana |
| 78 | Martha Lee | 48 | Sister | — | Louisiana |
| 79 | William Mason | 14 | Brother-in-law | Bell Boy | Louisiana |
| 80 | Charley Mcneal | 32 | Head | Sewerage | Louisiana |
| 81 | Eliza Mcneal | 25 | Wife | — | Louisiana |
| 82 | Gertrude Davis | 28 | Roomer | — | Louisiana |
| 83 | James Anderson | 45 | Head | Street Sweeper | Texas |
| 84 | Lizzie Anderson | 48 | Wife | — | Louisiana |
| 85 | Lena R Anderson | 14 | Daughter | — | Louisiana |
| 86 | Josephine Davis | 38 | Head | Servant | Louisiana |
| 87 | Rosie M Jones | 19 | Daughter | — | Louisiana |
| 88 | Allen E Davis | 12 | Son | — | Louisiana |
| 89 | Willie Davis | 5 | Son | — | Louisiana |
| 90 | Robert L Davis | 3 | Son | — | Louisiana |
| 91 | Isola Davis | 35 | Head | Cook | Louisiana |
| 92 | Lloyd Davenport | 38 | Head | Lumber Stacker | Louisiana |
| 93 | Mary Davenport | 30 | Wife | — | Louisiana |
| 94 | Joseph Lane | 29 | Head | Concrete Maker | Louisiana |
| 95 | Mary Lane | 29 | Wife | — | Louisiana |
| 96 | Lester Hallers | 30 | Head | Paper Hanger | Louisiana |
| 97 | Violet Hallers | 27 | Wife | — | Louisiana |
| 98 | Edna M Hallers | 11 | Daughter | — | Louisiana |
| 99 | Elizabeth Hallers | 4 | Daughter | — | Louisiana |
| 100 | Herbert L Hallers | 3 | Son | — | Louisiana |
Pedigree Summary
Bertha + 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 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)