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William Nicholson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Nicholson across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 9-person household.
Age 18
b. ~1922
Male
Son
Born: South Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | New Worker |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
| Occupation | New Worker |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Norman Nicholson | Son | — | 8 | ~1932 |
| John Nicholson | Head | — | 48 | ~1892 |
| Phillip Nicholson | Son | — | 10 | ~1930 |
| Joseph Nicholson | Daughter | — | 6 | ~1934 |
| Ruth Nicholson | Daughter | — | 12 | ~1928 |
| William Nicholson | Son | — | 18 | ~1922 |
| Hodford Nicholson | Son | — | 16 | ~1924 |
| Lulu Nicholson | Spouse | — | 42 | ~1898 |
| Eva Nicholson | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 8
Philadelphia, Pennsylvania · implied b. ~1922 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | South Carolina |
| Father's Birthplace | South Carolina |
| Mother's Birthplace | South Carolina |
| Can Read/Write | Yes |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
1940
Philadelphia-County, Pennsylvania
Son, age 18
Philadelphia-County, Pennsylvania · implied b. ~1922 — 9 household members
| Surname | Nicholson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | South Carolina |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | New Worker |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | South Carolina |
| Birth Country | United States |
| Birthplace (normalized) | south carolina |
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 William Nicholson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Nicholson
Son · 1940 · age 18 · b. ~1922 · Pennsylvania
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Sibling
Hodford Nicholson
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Nicholson
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Nicholson
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Nicholson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Nicholson
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Nicholson
Sibling · 1940 · age 6
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-t0627-03698-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Leavenson | 30 | Head | Tailor | Penna |
| 2 | Shirley Leavenson | 34 | Wife | — | Russia |
| 3 | Edith Leavenson | 12 | Daughter | — | Penna |
| 4 | Romney Leavenson | 7 | Son | — | Penna |
| 5 | Harvey Leavenson | 4 | Son | — | Penna |
| 6 | Hannah Leavenson | 1 | Daughter | — | Penna |
| 7 | Sara Richmond | 68 | Head | — | Russia |
| 8 | David Schwartz | 62 | Head | Cashier | Virginia |
| 9 | Rose Schwartz | 57 | Wife | — | Germany |
| 10 | Maxwell Schwartz | 39 | Head | Tailor | Penna |
| 11 | Elsie Schwartz | 29 | Wife | — | Penna |
| 12 | Lorna Schwartz | 5 | Daughter | — | Penna |
| 13 | John Ainsworth | 65 | Head | Dyer | England |
| 14 | Beatrice Ainsworth | 31 | Daughter | Operator | England |
| 15 | Sadie Schaffer | 35 | Head | — | Penna |
| 16 | Hyman Schaffer | 14 | Son | — | Penna |
| 17 | Isaac Schaffer | 12 | Son | — | Penna |
| 18 | David Schaffer | 8 | Son | — | Penna |
| 19 | Charles Schaffer | 4 | Son | — | Penna |
| 20 | Irving Kraintz | 40 | Head | Operator | Russia |
| 21 | Bella Kraintz | 33 | Wife | Operator | Russia |
| 22 | Harietta Kraintz | 12 | Daughter | — | Penna |
| 23 | Jack Keeler | 41 | Head | Pharmacist | Penna |
| 24 | Mabel Keeler | 37 | Wife | — | Penna |
| 25 | Sadelle Keeler | 9 | Daughter | — | Penna |
| 26 | Celia Keeler | 70 | Grandmother | — | Russia |
| 27 | John Nicholson | 48 | Head | Laborer | South Carolina |
| 28 | Lulu Nicholson | 42 | Wife | — | South Carolina |
| 29 | Eva Nicholson | 20 | Daughter | Domestic | South Carolina |
| 30 | William Nicholson THIS PERSON | 18 | Son | New Worker | South Carolina |
| 31 | Hodford Nicholson | 16 | Son | New Worker | Penna |
| 32 | Ruth Nicholson | 12 | Daughter | — | Penna |
| 33 | Phillip Nicholson | 10 | Son | — | Penna |
| 34 | Norman Nicholson | 8 | Son | — | Penna |
| 35 | Joseph Nicholson | 6 | Daughter | — | Penna |
| 36 | Nicholson | 3 | Son | — | Penna |
| 37 | Donald Cowdery | 29 | Head | Laborer | Penna |
| 38 | Viola Cowdery | 26 | Wife | — | Penna |
| 39 | Donald Jr. Cowdery | 5 | Son | — | Penna |
| 40 | William Jackson | 38 | Head | — | N. Carolina |
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)