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Leonard Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Camden-County, New Jersey
Our Model Tree links this Leonard Davis across the 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 15-person household.
Age 12
b. ~1928
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Camden-County, New Jersey |
| Surname | Davis |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Additional Details | |
| Highest Grade | No 6 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Camden |
| Est. Birth Year | ~1928 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Marlene Davis | Daughter | — | 12 | ~1928 |
| Charles Wynn | Son | — | 12 | ~1928 |
| Evonne Johnson | Daughter | — | 12 | ~1928 |
| Clarence Miller | Son | — | 12 | ~1928 |
| Sylvester Parker | Other | — | 31 | ~1909 |
| Beatrice Bonony | Spouse | — | 26 | ~1914 |
| Annie Farrell | Daughter | — | 25 | ~1915 |
| Leonard Davis | Son | — | 12 | ~1928 |
| Barbara Pitaccia | Daughter | — | 12 | ~1928 |
| Elieta Wyche | Daughter | — | 12 | ~1928 |
| Doris Bonony | Daughter | — | 5 | ~1935 |
| Daniel Bonony | Son | — | 3 | ~1937 |
| Evelyn Boone | Daughter | — | 12 | ~1928 |
| Joseph Bonony | Head | — | 30 | ~1910 |
| Sarah Bourke | Other | — | 63 | ~1877 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 2
Philadelphia, Pennsylvania · implied b. ~1928 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Leon Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Camden-County, New …
Son, age 12
Camden-County, New Jersey · implied b. ~1928 — 15 household members
| Surname | Davis |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Highest Grade | No 6 |
| 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 Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leonard Davis
Son · 1940 · age 12 · b. ~1928 · New Jersey
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Sibling
Annie Farrell
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Wynn
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Bonony
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Boone
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Bonony
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Miller
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marlene Davis
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elieta Wyche
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Pitaccia
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evonne Johnson
Sibling · 1940 · age 12
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
1940 US Federal Census — Camden-County, New Jersey
Open full size
1940 US Federal Census — Camden-County, New Jersey
Page Contents
15 people indexed on this census page (nara:1940:m-t0627-02394-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Bonony | 30 | Head | Laborer | New Jersey |
| 2 | Beatrice Bonony | 26 | Wife | — | Penna |
| 3 | Doris Bonony | 5 | Daughter | — | New Jersey |
| 4 | Daniel Bonony | 3 | Son | — | New Jersey |
| 5 | Sarah Bourke | 63 | Lodger | — | New Jersey |
| 6 | Sylvester Parker | 31 | Lodger | New Constr. | Virginia |
| 7 | Annie Farrell | 25 | Daughter | — | New Jersey |
| 8 | Marlene Davis | 12 | Daughter | — | New Jersey |
| 9 | Clarence Miller | 12 | Son | — | New Jersey |
| 10 | Charles Wynn | 12 | Son | — | New Jersey |
| 11 | Evelyn Boone | 12 | Daughter | — | New Jersey |
| 12 | Evonne Johnson | 12 | Daughter | — | New Jersey |
| 13 | Barbara Pitaccia | 12 | Daughter | — | New Jersey |
| 14 | Elieta Wyche | 12 | Daughter | — | New Jersey |
| 15 | Leonard Davis THIS PERSON | 12 | Son | — | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)