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Leonard Williams — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Camden, New Jersey
Our Model Tree links this Leonard Williams across the 1920 and 1930 US Censuses in Camden, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1914), then head of a 7-person household.
Age 16
b. ~1914
Male
Son
Born: New Jersey
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Camden, New Jersey |
| Surname | Williams |
| Given Name | Leonard J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New York |
| Additional Details | |
| Occupation | Attendant |
| Industry | Oil Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Attendant |
| Township / Ward | City Of Camden |
| Est. Birth Year | ~1914 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Edward Williams | Son | — | 5 | ~1925 |
| Charlotte Williams | Daughter | — | 11 | ~1919 |
| James Williams | Head | — | 44 | ~1886 |
| Minnie Williams | Spouse | — | 43 | ~1887 |
| Margaret Williams | Daughter | — | 1 | ~1929 |
| Charles Williams | Son | — | 18 | ~1912 |
| Leonard Williams | Son | — | 16 | ~1914 |
Census Appearances
1920
Camden, New …
Son, age 5
Camden, New Jersey · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Leonard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New York |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Camden, New …
Son, age 16
Camden, New Jersey · implied b. ~1914 — 7 household members
| Surname | Williams |
| Given Name | Leonard J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Delaware |
| Mother's Birthplace | New York |
| Occupation | Attendant |
| Industry | Oil Station |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 2 US Census years (1920 and 1930) in Camden, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Williams
Son · 1930 · age 16 · b. ~1914 · New Jersey
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Sibling
Margaret Williams
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Williams
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Williams
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Williams
Sibling · 1930 · age 11
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 — Camden, New Jersey
Open full size
1930 US Federal Census — Camden, New Jersey
Page Contents
18 people indexed on this census page (ia:1930:newjerseycensus00reel1321:1077)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James R. Williams | 44 | Head | Mechanic | Delaware |
| 2 | Minnie F. Williams | 43 | Wife | — | New York |
| 3 | Charles H. Williams | 18 | Son | — | New Jersey |
| 4 | Leonard J. Williams THIS PERSON | 16 | Son | Attendant | New Jersey |
| 5 | Charlotte Williams | 11 | Daughter | — | New Jersey |
| 6 | Edward Williams | 5 | Son | — | New Jersey |
| 7 | Margaret M. Williams | 1 | Daughter | — | New Jersey |
| 8 | Andrew R. Robinson | 45 | Head | Floral | New Jersey |
| 9 | Mabel H. Robinson | 31 | Wife | — | New Jersey |
| 10 | Elizabeth C. Robinson | 3 | Daughter | — | New Jersey |
| 11 | Henry W. Anderson | 29 | Head | Foreman | New Jersey |
| 12 | Edith W. Anderson | 26 | Wife | Examiner | New Jersey |
| 13 | Edith S. Anderson | 6 | Daughter | — | New Jersey |
| 14 | John A. Anderson | 4 | Son | — | New Jersey |
| 15 | Elizabeth Cross | 76 | Head | — | Ireland |
| 16 | Lillian Cross | 44 | Daughter | Bookkeeper | New Jersey |
| 17 | Joseph T. Madara | 40 | Head | Painter | Michigan |
| 18 | Effie M. Madara | 35 | Wife | — | Michigan |
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)