MW
Mary William — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Bossier, Louisiana
Our Model Tree links this Mary William across the 1930 and 1940 US Censuses in Bossier, Louisiana (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 7-person household.
Age 1
b. ~1929
Female
Daughter
Born: Louisiana
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Bossier, Louisiana |
| Surname | William |
| Given Name | Mary B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Additional Details | |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
| Township / Ward | Precinct Number 6 |
| Est. Birth Year | ~1929 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John William | Son | — | 9 | ~1921 |
| Addie William | Spouse | — | 29 | ~1901 |
| Johnnie William | Daughter | — | 6 | ~1924 |
| Joe William | Son | — | 8 | ~1922 |
| Curtis William | Head | — | 32 | ~1898 |
| Emmie William | Daughter | — | 4 | ~1926 |
| Mary William | Daughter | — | 1 | ~1929 |
Census Appearances
1930
Bossier, Louisiana
Daughter, age 1
Bossier, Louisiana · implied b. ~1929 — 7 household members
| Surname | William |
| Given Name | Mary B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Louisiana |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Louisiana |
| Birth State | Louisiana |
| Birth Country | United States |
| Birthplace (normalized) | louisiana |
1940
Bossier-County, Louisiana
Daughter, age 11
Bossier-County, Louisiana · implied b. ~1929 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Mary B |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Louisiana |
| 1935 Residence (City) | Ward 6 |
| 1935 Residence (County) | Bossier |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| 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 Mary William across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary William
Daughter · 1930 · age 1 · b. ~1929 · Louisiana
★ You are viewing this record
Sibling
John William
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johnnie William
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe William
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmie William
Sibling · 1930 · age 4
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 — Bossier, Louisiana
Open full size
1930 US Federal Census — Bossier, Louisiana
Page Contents
50 people indexed on this census page (ia:1930:15thcensus785unit:1076)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Manly Griffith | 65 | Head | Farmer | South Carolina |
| 2 | Woodrow Griffith | 12 | Nephew | — | Louisiana |
| 3 | George Hines | 44 | Head | Farmer | Louisiana |
| 4 | Lizzie Hines | 40 | Wife | — | Louisiana |
| 5 | Lulla B Hines | 18 | Daughter | — | Louisiana |
| 6 | Hattie Hines | 14 | Daughter | — | Louisiana |
| 7 | Rudolph William | 36 | Head | Farmer | Louisiana |
| 8 | Pearl William | 30 | Wife | — | Louisiana |
| 9 | Julian Mcfenn | 49 | Head | Farmer | Louisiana |
| 10 | Marshall Mcfenn | 18 | Boarder | — | Louisiana |
| 11 | Joseph Brooks | 30 | Head | Farmer | Louisiana |
| 12 | Liza Brooks | 29 | Wife | — | Louisiana |
| 13 | Jefferson Brooks | 7 | Nephew | — | Louisiana |
| 14 | Mahaley Reed | 45 | Head | General Farm | Louisiana |
| 15 | Terrence William | 48 | Head | Farmer | Louisiana |
| 16 | Eugene William | 24 | Son | Farming | Louisiana |
| 17 | Grover William | 21 | Son | Farming | Louisiana |
| 18 | Velia William | 16 | Daughter | — | Louisiana |
| 19 | Essie B William | 12 | Daughter | — | Louisiana |
| 20 | Curtis William | 32 | Head | Farming | Louisiana |
| 21 | Addie G William | 29 | Wife | — | Louisiana |
| 22 | John C William | 9 | Son | — | Louisiana |
| 23 | Joe William | 8 | Son | — | Louisiana |
| 24 | Johnnie B William | 6 | Daughter | — | Louisiana |
| 25 | Emmie L William | 4 | Daughter | — | Louisiana |
| 26 | Mary B William THIS PERSON | 1 | Daughter | — | Louisiana |
| 27 | Floyd Roberson | 53 | Head | Farmer | Louisiana |
| 28 | Dora Roberson | 31 | Daughter | Farmer | Louisiana |
| 29 | Ida Brooks | 20 | Cousin | — | Louisiana |
| 30 | Litton Cleveland | 6 | Boarder | — | Louisiana |
| 31 | Joe William | 45 | Head | Farmer | Louisiana |
| 32 | Rachel William | 39 | Wife | — | Louisiana |
| 33 | Ruby L William | 6 | Daughter | — | Louisiana |
| 34 | Charlie Page | 65 | Head | Farmer | Louisiana |
| 35 | Susie Page | 46 | Wife | — | Louisiana |
| 36 | Collie Page | 15 | Son | — | Louisiana |
| 37 | J. C. Page | 12 | Son | — | Louisiana |
| 38 | Mack E. Potter | 30 | Head | Farming | Louisiana |
| 39 | Grace Potter | 15 | Wife | — | Louisiana |
| 40 | Will E Potter | 2 | Son | — | Louisiana |
| 41 | Melba Potter | 0 | Daughter | — | Louisiana |
| 42 | Charlie Potter | 48 | Head | Farming | Louisiana |
| 43 | Rose Potter | 40 | Wife | — | Louisiana |
| 44 | George Potter | 18 | Son | Farmer | Louisiana |
| 45 | Mattie P. Potter | 16 | Daughter | — | Louisiana |
| 46 | Virginia Potter | 12 | Daughter | — | Louisiana |
| 47 | Estella Potter | 7 | Daughter | — | Louisiana |
| 48 | Aldora Potter | 3 | Daughter | — | Louisiana |
| 49 | Aggie William | 18 | Stepdaughter | — | Louisiana |
| 50 | Eliza William | 17 | Stepson | — | Louisiana |
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)