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Leonard Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Leonard Davis across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Davis |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | New Yorker |
| Class of Worker | PW |
| Hours Worked | 17 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | New Yorker |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1922 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Charles Davis | Son | — | 14 | ~1926 |
| Eleanor Davis | Daughter | — | 15 | ~1925 |
| Elmer Davis | Son | — | 15 | ~1925 |
| Eva Davis | Daughter | — | 23 | ~1917 |
| Leonard Davis | Son | — | 18 | ~1922 |
| Willard Davis | Head | — | 60 | ~1880 |
| Robert Wilson | Other | — | 4 | ~1936 |
| Jessie Davis | Spouse | — | 54 | ~1886 |
| Elois Wilson | Other | — | 2 | ~1938 |
| Marjorie Davis | Daughter | — | 13 | ~1927 |
| James Wilson | Other | — | 6 | ~1934 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Leonid |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 11 household members
| Surname | Davis |
| Given Name | Leonard |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Yorker |
| Class of Worker | PW |
| Hours Worked | 17 |
| Highest Grade | No 9 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 18 · b. ~1922 · Pennsylvania
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Sibling
Charles Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Davis
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Davis
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eleanor Davis
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Davis
Sibling · 1940 · age 15
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 — Philadelphia-County, Pennsylvania
Open full size
1940 US Federal Census — Philadelphia-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03705-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Dorsey | 16 | son | — | Pennsylvania |
| 2 | Eleanor Dorsey | 13 | daughter | — | Pennsylvania |
| 3 | Richard Dorsey | 11 | son | — | Pennsylvania |
| 4 | William A. Scott | 49 | head | Fireman | Maryland |
| 5 | Pearl E. Scott | 49 | wife | — | Delaware |
| 6 | Nehemiah Driggous | 37 | brother in law | Laborer | New Jersey |
| 7 | Alonzo J. Plater | 32 | lodger | Architect | Washington D.C. |
| 8 | Letitia Washington | 76 | lodger | — | Pennsylvania |
| 9 | Daniel Mcmullen | 73 | head | Watchman | Ireland |
| 10 | Susan J. Mcmullen | 70 | wife | — | Ireland |
| 11 | Mary Mcmullen | 37 | daughter | — | Pennsylvania |
| 12 | Sarah T. Mcmullen | 35 | daughter | Seamer | Pennsylvania |
| 13 | Sue Mcmullen | 32 | daughter | Solicitor | Pennsylvania |
| 14 | Charles H. Smith | 52 | head | Painter'S Helper | Pennsylvania |
| 15 | Sarah P. Smith | 44 | wife | — | New Jersey |
| 16 | Willard Davis | 60 | head | Fireman | Virginia |
| 17 | Jessie Davis | 54 | wife | — | Virginia |
| 18 | Leonard Davis THIS PERSON | 18 | son | New Yorker | Pennsylvania |
| 19 | Eleanor Davis | 15 | daughter | — | Pennsylvania |
| 20 | Elmer Davis | 15 | son | — | Pennsylvania |
| 21 | Charles Davis | 14 | son | — | Pennsylvania |
| 22 | Marjorie Davis | 13 | daughter | — | Pennsylvania |
| 23 | Eva Davis | 23 | daughter | — | Pennsylvania |
| 24 | James Wilson | 6 | grandson | — | Pennsylvania |
| 25 | Robert Wilson | 4 | grandson | — | Pennsylvania |
| 26 | Elois Wilson | 2 | granddaughter | — | Pennsylvania |
| 27 | William Dorsey | 39 | head | Truck Driver | Delaware |
| 28 | Maude Dorsey | 34 | wife | — | Virginia |
| 29 | Willie Watson | 21 | brother in law | New Worker | Virginia |
| 30 | Leonard T. Ab Dougherty | 48 | head | Truck Driver | Pennsylvania |
| 31 | Emma C. Dougherty | 55 | wife | — | Pennsylvania |
| 32 | Pearl Dougherty | 20 | daughter | Folder | Pennsylvania |
| 33 | Alfred F. Trinton | 57 | head | Salesman | Pennsylvania |
| 34 | Henrietta R. Trinton | 53 | wife | Demonstrator | Canada English |
| 35 | Frederick R. Trinton | 23 | son | Crystal Finisher | Pennsylvania |
| 36 | Ethel A. Trinton | 22 | daughter in law | Distributor | Pennsylvania |
| 37 | William H. Roblin | 55 | brother in law | Salesman | Canada English |
| 38 | Frank Hewson | 53 | head | Clerk | Pennsylvania |
| 39 | Eva Hewson | 52 | wife | — | Pennsylvania |
| 40 | Francis J. Hewson | 26 | son | Dyer | Pennsylvania |
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)