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Bertha Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · St Johns, Florida
Our Model Tree links this Bertha Williams across the 1910, 1920 and 1930 US Censuses in St Johns, Florida (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 12-person household.
Age 42
b. ~1888
Female
Spouse
Born: South Carolina
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | St Johns, Florida |
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 15 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Additional Details | |
| Occupation | House Keeper |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | Housekeeper |
| Township / Ward | St Augustine |
| Est. Birth Year | ~1888 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Lena Williams | Daughter | — | 24 | ~1906 |
| Clara Williams | Daughter | — | 9 | ~1921 |
| Hattie Williams | Daughter | — | 7 | ~1923 |
| Jennie Williams | Daughter | — | 19 | ~1911 |
| Alice Williams | Daughter | — | 22 | ~1908 |
| Albert Williams | Head | — | 52 | ~1878 |
| James Harden | Other | — | 26 | ~1904 |
| Iona Pritchett | Other | — | 15 | ~1915 |
| Isado Pritchett | Other | — | 17 | ~1913 |
| Marion Williams | Son | — | 16 | ~1914 |
| Goddard Williams | Son | — | 12 | ~1918 |
| Bertha Williams | Spouse | — | 42 | ~1888 |
Census Appearances
1910
St Johns, …
Spouse, age 23
St Johns, Florida · implied b. ~1887 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Years Married | 8 |
| Children Born | 9 |
| Children Living | 3 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1920
St Johns, …
Spouse, age 33
St Johns, Florida · implied b. ~1887 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 33 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1930
St Johns, …
Spouse, age 42
St Johns, Florida · implied b. ~1888 — 12 household members
| Surname | Williams |
| Given Name | Bertha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 42 |
| Marital Status | Married |
| Birthplace | South Carolina |
| Age at First Marriage | 15 |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Occupation | House Keeper |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 Williams across 3 US Census years (1910, 1920 and 1930) in St Johns, Florida, using XGBoost record linkage.
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This person
Anchor record
Bertha Williams
Spouse · 1930 · age 42 · b. ~1888 · Florida
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — St Johns, Florida
Open full size
1930 US Federal Census — St Johns, Florida
Page Contents
50 people indexed on this census page (ia:1930:15thcensus332unit:0218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie M Brown | 39 | Boarder | Shoe Shine | Illinois |
| 2 | Dollie L Smith | 24 | — | Laborer | Florida |
| 3 | Mollie Wilson | 42 | Head | Laundress | Georgia |
| 4 | Syrancy Jackson | 21 | — | Laundress | Georgia |
| 5 | Richard Campbell | 16 | — | Soft Drinks | Florida |
| 6 | Sam Williams | 53 | Head | Truck Driver | Georgia |
| 7 | Hattie Williams | 31 | Wife | Cook | Georgia |
| 8 | Annie M Williams | 16 | Daughter | — | Georgia |
| 9 | Julia Harold | 61 | Head | Cook | Florida |
| 10 | Maggie L Harold | 21 | Daughter | Maid | Florida |
| 11 | Stella Grumels | 39 | Boarder | House Work | Florida |
| 12 | Irene Harold | 32 | Niece | Maid | Florida |
| 13 | Thomas Small | 50 | Head | Laborer | Georgia |
| 14 | Martha Small | 42 | Wife | Teacher | Georgia |
| 15 | Gladys M Small | 16 | Daughter | — | Georgia |
| 16 | Celia Small | 13 | Daughter | — | Georgia |
| 17 | Ruth M Small | 10 | Daughter | — | Georgia |
| 18 | Cillie O Mims | 41 | Head | Laborer | Georgia |
| 19 | Lizzie Mims | 36 | Wife | Cook | South Carolina |
| 20 | Robert D Mims | 20 | Son | Delivery Boy | Florida |
| 21 | Nettie Mims | 18 | Daughter | — | Florida |
| 22 | Oscar Jr Mims | 8 | Son | — | Florida |
| 23 | Mack Holden | 31 | Head | Laborer | North Carolina |
| 24 | Mattie Holden | 32 | Wife | — | Georgia |
| 25 | Charity Mims | 70 | Mother-in-law | — | Georgia |
| 26 | Margret Miles | 2 | Niece | — | Florida |
| 27 | Cornelius Byous | 0 | Nephew | — | Florida |
| 28 | Albert Williams | 52 | Head | — | Florida |
| 29 | Bertha Williams THIS PERSON | 42 | Wife | House Keeper | South Carolina |
| 30 | Lena Williams | 24 | Daughter | Cook | Florida |
| 31 | Alice Williams | 22 | Daughter | — | Florida |
| 32 | Jennie Williams | 19 | Daughter | House Keeper | Florida |
| 33 | Marion C Williams | 16 | Son | Laborer | Florida |
| 34 | Goddard C Williams | 12 | Son | — | Florida |
| 35 | Clara B Williams | 9 | Daughter | — | Florida |
| 36 | Hattie M Williams | 7 | Daughter | — | Florida |
| 37 | Iona Pritchett | 15 | Niece | — | Florida |
| 38 | Isado Pritchett | 17 | Niece | Laborer | Florida |
| 39 | James Harden | 26 | Boarder | Light Service | Florida |
| 40 | Sam Chapel | 40 | Head | Laborer | Georgia |
| 41 | Lillian Chapel | 23 | Wife | Laundress | Florida |
| 42 | Robert Chapel | 19 | Son | Laborer | Florida |
| 43 | Lilla M Chapel | 13 | Daughter | — | Florida |
| 44 | Sharky James | 35 | Head | Laborer | Florida |
| 45 | Nellie James | 30 | Wife | — | Florida |
| 46 | Riley H Calhoun | 40 | Head | Steward | Florida |
| 47 | Gertrude Calhoun | 40 | Wife | — | Florida |
| 48 | Harry Calhoun | 29 | Son | — | Florida |
| 49 | Hattie Peter | 23 | Head | Laborer | South Carolina |
| 50 | Alma E Peter | 17 | Wife | — | Georgia |
Related Census Records
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)