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Lawrence Williams — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this Lawrence Williams across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 8-person household.
Age 16
b. ~1924
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PHILADELPHIA |
| 1935 Residence (County) | PHILADELPHIA |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1924 |
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 1940 census.
| Name | Relation to head | Relative to Lawrence | Age | Birth yr |
|---|---|---|---|---|
| James Williams | Head | — | 48 | ~1892 |
| Naomi Williams | Daughter | — | 6 | ~1934 |
| Geneva Williams | Daughter | — | 10 | ~1930 |
| Anna Williams | Spouse | — | 41 | ~1899 |
| Samuel Williams | Son | — | 2 | ~1938 |
| Audry Williams | Daughter | — | 11 | ~1929 |
| Lawrence Williams | Son | — | 16 | ~1924 |
| Nathaniel Williams | Son | — | 8 | ~1932 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 16
Philadelphia-County, Pennsylvania · implied b. ~1924 — 8 household members
| Surname | Williams |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | PHILADELPHIA |
| 1935 Residence (County) | PHILADELPHIA |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | Hs 1 |
| 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 Lawrence Williams across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Lawrence Williams
Son · 1940 · age 16 · b. ~1924 · Pennsylvania
★ You are viewing this record
Sibling
Nathaniel Williams
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Audry Williams
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Samuel Williams
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Williams
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geneva Williams
Sibling · 1940 · age 10
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-t0627-03719-00181)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Skorupsky | 27 | Son | New Worker | Pennsylvania |
| 42 | — | None | — | — | — |
| 43 | Henry Clements | 38 | Head | Maintenance Helper | South Carolina |
| 44 | Daisy Clements | 35 | Wife | Hairdresser | District of Columbia |
| 45 | Henry Jr Clements | 17 | Son | — | Pennsylvania |
| 46 | Vivian Clements | 15 | Daughter | — | Pennsylvania |
| 47 | Vincent Clements | 6 | Son | — | Pennsylvania |
| 48 | Lucious Clements | 58 | Father | Janitor | Georgia |
| 49 | John Martin | 58 | Head | Engineer | Virginia |
| 50 | Adaline Martin | 58 | Wife | — | North Carolina |
| 51 | Ida Litman | 79 | Mother-in-law | — | North Carolina |
| 52 | George Williams | 59 | Head | Engineer | Maryland |
| 53 | Emma Williams | 51 | Wife | Servant | Delaware |
| 54 | Claud Wilson | 31 | Lodger | Barber | North Carolina |
| 55 | William Lloyd | 35 | Head | Truck Driver | South Carolina |
| 56 | Nancy Lloyd | 24 | Wife | Servant | Maryland |
| 57 | Nancy E. Lloyd | 5 | Daughter | — | Pennsylvania |
| 58 | James Johnson | 34 | Head | Laborer | Pennsylvania |
| 59 | Gerthene Johnson | 25 | Wife | Waitress | North Carolina |
| 60 | Florence Johnson | 4 | Daughter | — | Pennsylvania |
| 61 | Leslie Hurd | 49 | Head | Carpenter | Pennsylvania |
| 62 | Vera Hurd | 27 | Daughter | Teacher | Pennsylvania |
| 63 | Mildred Hurd | 26 | Daughter | — | Pennsylvania |
| 64 | Florence Hurd | 16 | Daughter | — | Pennsylvania |
| 65 | Louis Blitzstein | 59 | Head | Proprietor | Russia |
| 66 | Martha Blitzstein | 56 | Wife | — | Russia |
| 67 | Doris Blitzstein | 25 | Daughter | Bookkeeper | Pennsylvania |
| 68 | Nathan Milgram | 48 | Lodger | Salesman | Russia |
| 69 | James Williams | 48 | Head | Laborer | Virginia |
| 70 | Anna Williams | 41 | Wife | — | Pennsylvania |
| 71 | Lawrence Williams THIS PERSON | 16 | Son | — | Pennsylvania |
| 72 | Audry Williams | 11 | Daughter | — | Pennsylvania |
| 73 | Geneva Williams | 10 | Daughter | — | Pennsylvania |
| 74 | Nathaniel Williams | 8 | Son | — | Pennsylvania |
| 75 | Naomi Williams | 6 | Daughter | — | Pennsylvania |
| 76 | Samuel Williams | 2 | Son | — | Pennsylvania |
| 77 | Mattie Lawrence | 40 | Head | — | Georgia |
| 78 | Martha Lawrence | 13 | Daughter | — | Georgia |
| 79 | John Lawrence | 13 | Son | — | Pennsylvania |
| 80 | Nathaniel Lawrence | 11 | Son | — | 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)