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Mamie Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Leon, Florida
Our Model Tree links this Mamie Williams across the 1920 and 1930 US Censuses in Leon, Florida (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 10-person household.
Age 19
b. ~1911
Female
Daughter
Born: Florida
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Leon, Florida |
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm, General |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
| Occupation | Laborer |
| Township / Ward | Precinct 11 |
| Est. Birth Year | ~1911 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mamie | Age | Birth yr |
|---|---|---|---|---|
| Fred Williams | Daughter | — | 17 | ~1913 |
| Mamie Williams | Daughter | — | 19 | ~1911 |
| Mae Williams | Daughter | — | 9 | ~1921 |
| Beatrice Williams | Daughter | — | 6 | ~1924 |
| John Williams | Head | — | 48 | ~1882 |
| Francis Williams | Other | — | 42 | ~1888 |
| George Williams | Son | — | 1 | ~1929 |
| Richard Williams | Son | — | 3 | ~1927 |
| Carl Williams | Son | — | 14 | ~1916 |
| Loris Williams | Son | — | 16 | ~1914 |
Census Appearances
1920
Leon, Florida
Daughter, age 10
Leon, Florida · implied b. ~1910 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
1930
Leon, Florida
Daughter, age 19
Leon, Florida · implied b. ~1911 — 10 household members
| Surname | Williams |
| Given Name | Mamie |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Florida |
| Father's Birthplace | Florida |
| Mother's Birthplace | Florida |
| Occupation | Laborer |
| Industry | Farm, General |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | Florida |
| Birth Country | United States |
| Birthplace (normalized) | florida |
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 Mamie Williams across 2 US Census years (1920 and 1930) in Leon, Florida, using XGBoost record linkage.
Show:
This person
Anchor record
Mamie Williams
Daughter · 1930 · age 19 · b. ~1911 · Florida
★ You are viewing this record
Sibling
George Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mae Williams
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loris Williams
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carl Williams
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Williams
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Fred Williams
Sibling · 1930 · age 17
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 — Leon, Florida
Open full size
1930 US Federal Census — Leon, Florida
Page Contents
50 people indexed on this census page (ia:1930:15thcensus323unitrs:0415)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Williams | 48 | Head | Farmer | Florida |
| 2 | Francis Williams | 42 | Wife-H | — | Florida |
| 3 | Mamie Williams THIS PERSON | 19 | Daughter | Laborer | Florida |
| 4 | Fred Williams | 17 | Daughter | Laborer | Florida |
| 5 | Loris Williams | 16 | Son | Laborer | Florida |
| 6 | Carl Williams | 14 | Son | Laborer | Florida |
| 7 | Mae Williams | 9 | Daughter | — | Florida |
| 8 | Beatrice Williams | 6 | Daughter | — | Florida |
| 9 | Richard Williams | 3 | Son | — | Florida |
| 10 | George Williams | 1 | Son | — | Florida |
| 11 | Sidney Knight | 64 | Head-H | — | Florida |
| 12 | William Taylor | 47 | Head | Farmer | Georgia |
| 13 | Addie Taylor | 43 | Wife-H | Laborer | Florida |
| 14 | Bassett Taylor | 10 | Son | — | Florida |
| 15 | James Taylor | 7 | Son | — | Florida |
| 16 | Julia Taylor | 7 | Son | — | Florida |
| 17 | Henry Mason | 29 | Head | Farmer | Florida |
| 18 | Anslie Mason | 20 | Wife-H | Laborer | Florida |
| 19 | Carrie Mason | 48 | Mother | Cook | Florida |
| 20 | Sadin Hendrix | 28 | Head-H | Farmer | Florida |
| 21 | Freeman Hendrix | 17 | Son | Laborer | Florida |
| 22 | James Hendrix | 6 | Son | — | Florida |
| 23 | John Ford | 56 | Head | Farmer | Florida |
| 24 | Emma Ford | 54 | Wife-H | Laborer | Florida |
| 25 | Adgie Ford | 20 | Son | Laborer | Florida |
| 26 | Hallie Jones | 23 | Daughter | — | Florida |
| 27 | Morris Jones | 25 | Son-in-law | Laborer | Florida |
| 28 | Morris Jones | 2 | G-Son | — | Florida |
| 29 | Eliza Jones | 1 | G-Daughter | — | Florida |
| 30 | Ethel Jones | 0 | G-Daughter | — | Florida |
| 31 | John Jr Ford | 26 | Head | Farmer | Florida |
| 32 | Gertrude Ford | 20 | Wife-H | Laborer | Florida |
| 33 | Martha Williams | 76 | Head-H | Farmer | Florida |
| 34 | Walter Blackston | 61 | Head | Farmer | Florida |
| 35 | Onosie Blackston | 52 | Wife-H | Laborer | Florida |
| 36 | Frank Morgan | 10 | G-Son | — | Florida |
| 37 | Inez Morgan | 15 | G-Daughter | — | Florida |
| 38 | Robert Morgan | 13 | G-Son | — | Florida |
| 39 | James R. Stone | 68 | Head | Farmer | Florida |
| 40 | Minnie Stone | 38 | Wife-H | — | Florida |
| 41 | Ellen Stone | 15 | Daughter | — | Florida |
| 42 | Alley Stone | 11 | Daughter | — | Florida |
| 43 | James Stone | 8 | Son | — | Florida |
| 44 | Francis Taylor | 72 | Head-H | Farmer | Georgia |
| 45 | Clarence Taylor | 26 | Son | Laborer | Florida |
| 46 | Walter Taylor | 6 | G-Son | — | Florida |
| 47 | Vinette Branton | 62 | Head-H | Laborer | Alabama |
| 48 | William Brown | 16 | G-Son | Laborer | Florida |
| 49 | Johnnie Brown | 12 | G-Son | — | Florida |
| 50 | Lucille Brown | 10 | G-Daughter | — | Florida |
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)