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Leonard Williams — 1930 US Census Record
Model Tree available1930 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Leonard Williams across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents John & William — first a son (b.~1920), then head of a 8-person household.
Age 10
b. ~1920
Male
Son
Born: Maryland
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Baltimore, Maryland |
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore City |
| Est. Birth Year | ~1920 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Leonard Williams | Son | — | 10 | ~1920 |
| Irma Williams | Daughter | — | 8 | ~1922 |
| Billy Williams | Son | — | 6 | ~1924 |
| William Williams | Head | — | 33 | ~1897 |
| Irene Williams | Spouse | — | 32 | ~1898 |
| Jack Williams | Son | — | 2 | ~1928 |
| William Williams | Son | — | 12 | ~1918 |
| George Williams | Son | — | 14 | ~1916 |
Census Appearances
1920
Baltimore, Maryland
Son, age
Baltimore, Maryland · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Son, age 10
Baltimore, Maryland · implied b. ~1920 — 8 household members
| Surname | Williams |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Occupation | clerk |
| Industry | gas & electric co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1170 |
| Highest Grade | H 4 |
| 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 Leonard Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Williams (~0.92 confidence) and father William Williams (~0.92 confidence) and father William Williams (~0.92 confidence) and mother Anna Williams (~0.92 confidence) and mother Irene Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Williams
b. ~1880
Source father
● Household
· direct · ~0.92
Father
William Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Father
William Williams
b. ~1897
Source father
● Household
· direct · ~0.92
Mother
Anna Williams
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Irene Williams
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Williams
Son · 1930 · age 10 · b. ~1920 · Maryland
★ You are viewing this record
Sibling
George Williams
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Williams
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Williams
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Williams
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Williams
Sibling · 1930 · age 2
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 — Baltimore, Maryland
Open full size
1930 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1930:15thcensus857unit:0094)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George H Rushman | 42 | Head | Stone-Mason | Maryland |
| 2 | Edna Rushman | 40 | Wife | — | Maryland |
| 3 | Evelyn P Rushman | 2 | Daughter | — | Maryland |
| 4 | Ronald Paxon | 44 | Head | Salesman | Maryland |
| 5 | Ruth Paxon | 45 | Wife | — | Maryland |
| 6 | William Lealand | 42 | Head | Upholsterer | Maryland |
| 7 | Ettie Lealand | 41 | Wife | — | Virginia |
| 8 | Edna Lealand | 2 | Daughter | — | Maryland |
| 9 | Sylvester Baker | 41 | Head | Driver | Maryland |
| 10 | Lily E Baker | 42 | Wife | — | New York |
| 11 | Louis Kopp | 29 | Head | Cashier | Maryland |
| 12 | Viola Kopp | 30 | Wife | — | Maryland |
| 13 | Louis Kopp | 8 | Son | — | Maryland |
| 14 | Ruth Kopp | 5 | Daughter | — | Maryland |
| 15 | Roland L Kopp | 2 | Son | — | Maryland |
| 16 | William Williams | 33 | Head | Pressman | Maryland |
| 17 | Irene Williams | 32 | Wife | — | Maryland |
| 18 | George Williams | 14 | Son | — | Maryland |
| 19 | William Williams | 12 | Son | — | Maryland |
| 20 | Leonard Williams THIS PERSON | 10 | Son | — | Maryland |
| 21 | Irma Williams | 8 | Daughter | — | Maryland |
| 22 | Billy Williams | 6 | Son | — | Maryland |
| 23 | Jack Williams | 2 | Son | — | Maryland |
| 24 | Edward Harris | 31 | Head | Manager | Maryland |
| 25 | Marie Harris | 29 | Wife | — | Maryland |
| 26 | Edward Harris | 10 | Son | — | Maryland |
| 27 | Robert Harris | 8 | Son | — | Maryland |
| 28 | William Harris | 6 | Son | — | Maryland |
| 29 | Dorothy Harris | 1 | Daughter | — | Maryland |
| 30 | William Mccann | 36 | Head | Laborer | Maryland |
| 31 | Marie Mccann | 30 | Wife | — | Maryland |
| 32 | William Mccann | 11 | Son | — | Maryland |
| 33 | Marie Mccann | 7 | Daughter | — | Maryland |
| 34 | John Mccann | 3 | Son | — | Maryland |
| 35 | Bertha V Mccauley | 44 | Head | — | Maryland |
| 36 | Walter Mccauley | 22 | Son | Harbor Master | Maryland |
| 37 | Pearl Mccauley | 27 | Wife | — | Maryland |
| 38 | June Mccauley | 0 | Daughter | — | Maryland |
| 39 | Clarence Jones | 40 | Head | Baker | Maryland |
| 40 | Emma M Jones | 38 | Wife | — | Maryland |
| 41 | Edna Jones | 4 | Daughter | — | Maryland |
| 42 | Frank R Williams | 25 | Head | Iron Worker | Maryland |
| 43 | Helen Williams | 35 | Wife | — | Maryland |
| 44 | Ronald Williams | 5 | Son | — | Maryland |
| 45 | Walter Wilson | 21 | Head | Salesman | Maryland |
| 46 | Mildred M Wilson | 23 | Wife | — | Maryland |
| 47 | Roland Wilson | 1 | Son | — | Maryland |
| 48 | Charles P Moore | 33 | Head | Operator | Maryland |
| 49 | Amanda Moore | 27 | Wife | — | Maryland |
| 50 | Dorothy G Moore | 3 | Daughter | — | Maryland |
Related Census Records
Pedigree Summary
Leonard + 5 siblings
Gen 1 · 5 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)