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Lizzie Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Lizzie Williams across the 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 8-person household.
Age 40
b. ~1890
Female
Head
Born: Maryland
Widowed
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Williams |
| Given Name | Lizzie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Laborer |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1890 |
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.
8 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Lizzie | Age | Birth yr |
|---|---|---|---|---|
| Lizzie Williams | Daughter | — | 12 | ~1918 |
| Mary Williams | Daughter | — | 3 | ~1927 |
| Mary Williams | Daughter | — | 16 | ~1914 |
| Lizzie Williams | Head | — | 40 | ~1890 |
| Willie Williams | Son | — | 18 | ~1912 |
| William Williams | Son | — | 20 | ~1910 |
| John Williams | Son | — | 4 | ~1926 |
| James Williams | Son | — | 14 | ~1916 |
Census Appearances
1930
Baltimore, Maryland
Head, age 40
Baltimore, Maryland · implied b. ~1890 — 8 household members
| Surname | Williams |
| Given Name | Lizzie |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Age at First Marriage | 18 |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | General |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15.00 |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Head, age 50
Baltimore-City-County, Maryland · implied b. ~1890 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Liza |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | Wash woman |
| Industry | Private Home |
| Class of Worker | PW |
| Hours Worked | 16 |
| Income (1939) | 510 |
| Highest Grade | No 0 |
| 1935 Residence | Same place |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 Lizzie Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lizzie Williams
Head · 1930 · age 40 · b. ~1890 · Maryland
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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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
42 people indexed on this census page (ia:1930:15thcensus850unit:0651)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Emma Free | 12 | — | — | District of Columbia |
| 55 | John Robinson | 52 | Head | Laborer | Virginia |
| 56 | Henry Robinson | 32 | Head | Laborer | Maryland |
| 57 | Mary Robinson | 30 | Wife-H | — | Maryland |
| 58 | Charles Brown | 41 | Head | Laborer | Virginia |
| 59 | Mary Brown | 30 | Wife-H | — | North Carolina |
| 60 | James Brown | 12 | Son | — | Maryland |
| 61 | Cornelius Brown | 10 | Son | — | Maryland |
| 62 | Charlie Brown | 8 | Son | — | Maryland |
| 63 | Eugene Brown | 1 | Son | — | Maryland |
| 64 | Lulu Farrior | 40 | Boarder | Housework | Maryland |
| 65 | John Brown | 58 | Head | — | Virginia |
| 66 | John Brown | 21 | Son | Coal Trimmer | Maryland |
| 67 | Lucille Brown | 17 | Daughter | Laundress | Maryland |
| 68 | Martha Brown | 15 | Daughter | Housework | North Carolina |
| 69 | Maggie Brown | 13 | Daughter | Servant | Virginia |
| 70 | William Brown | 11 | Son | Laborer | South Carolina |
| 71 | Martha Brown | 9 | Daughter | — | Maryland |
| 72 | Lizzie Williams THIS PERSON | 40 | Head | Laborer | Maryland |
| 73 | William Williams | 20 | Son | Laborer | North Carolina |
| 74 | Willie Williams | 18 | Son | Laborer | South Carolina |
| 75 | Mary Williams | 16 | Daughter | — | South Carolina |
| 76 | James Williams | 14 | Son | Painter | North Carolina |
| 77 | Lizzie Williams | 12 | Daughter | — | North Carolina |
| 78 | John Williams | 4 | Son | Laborer | North Carolina |
| 79 | Mary Williams | 3 | Daughter | — | North Carolina |
| 80 | Anthony Ford | 47 | Head | Laborer | North Carolina |
| 81 | Howard Jackson | 26 | Boarder | Laborer | Maryland |
| 82 | Shirley Taylor | 26 | Boarder | Laborer | Virginia |
| 83 | Ida Jackson | 29 | Boarder | Servant | Virginia |
| 84 | Fred Douglas | 42 | Head | Laborer | Florida |
| 85 | Elizabeth Douglas | 37 | Wife-H | — | Maryland |
| 86 | Harold Provitt | 22 | Head | Laborer | Maryland |
| 87 | Minnie Provitt | 32 | Wife-H | — | Maryland |
| 88 | William Thomas | 11 | Step-son | — | Maryland |
| 89 | James King | 30 | Head | Laborer | Virginia |
| 90 | Helen King | 27 | Wife-H | — | Maryland |
| 91 | Hilda Berry | 18 | Sister-in-law | Assorter | Maryland |
| 92 | Henry Jackson | 55 | Boarder | Laborer | Virginia |
| 93 | Joseph Ferebee | 28 | Boarder | Laborer | Virginia |
| 94 | James Cohen | 65 | Head | Tailor | Russia |
| 95 | Samuel Cohen | 16 | Son | Laborer | Maryland |
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)