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William Wallace — 1940 US Census Record
Model Tree available1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Wallace across the 1920, 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Philip & Kathryn — first a son (b.~1920), then head of a 3-person household.
Age 20
b. ~1920
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Clerk |
| Industry | Amusement Park |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 794 |
| Highest Grade | No H4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1920 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Philip Wallace | Head | — | 70 | ~1870 |
| Thomas Wallace | Son | — | 22 | ~1918 |
| William Wallace | Son | — | 20 | ~1920 |
Census Appearances
1920
Philadelphia, Pennsylvania
Son, age
Philadelphia, Pennsylvania · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Philadelphia, Pennsylvania
Son, age 10
Philadelphia, Pennsylvania · implied b. ~1920 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 20
Philadelphia-County, Pennsylvania · implied b. ~1920 — 3 household members
| Surname | Wallace |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Philadelphia |
| Occupation | Clerk |
| Industry | Amusement Park |
| Class of Worker | PW |
| Hours Worked | 55 |
| Income (1939) | 794 |
| Highest Grade | No H4 |
| 1935 Residence | Same House |
| 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 William Wallace across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Philip Wallace (~0.92 confidence) and mother Kathryn Wallace (~0.92 confidence) and father Arthur Wallace (~0.92 confidence) and father William Wallace (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Philip Wallace
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Kathryn Wallace
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
Arthur Wallace
b. ~1887
Source father
● Household
· direct · ~0.92
Father
William Wallace
b. ~1898
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Wallace
Son · 1940 · age 20 · b. ~1920 · Pennsylvania
★ You are viewing this record
Sibling
Thomas Wallace
Sibling · 1940 · age 22
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-t0627-03732-00984)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Estella Armstrong | 51 | Head | — | Pennsylvania |
| 42 | Cornelius Lanahan | 45 | Boarder | Maintenance | Pennsylvania |
| 43 | John Galm | 52 | Boarder | — | Pennsylvania |
| 44 | William Duffy | 27 | Head | Chipper | Pennsylvania |
| 45 | Mary Duffy | 20 | Wife | — | Pennsylvania |
| 46 | William Duffy | 3 | Son | — | Pennsylvania |
| 47 | John Howe | 22 | Brother-in-law | Machinist | Pennsylvania |
| 48 | Mary Madden | 63 | Head | — | Irish Free State |
| 49 | John Madden | 36 | Son | Ice Dealer | Pennsylvania |
| 50 | Michael J. Fallon | 50 | Head | Bartender | Irish Free State |
| 51 | Mary Fallon | 47 | Wife | — | Pennsylvania |
| 52 | Joseph Fallon | 22 | Son | Clerk | Pennsylvania |
| 53 | Paul Fallon | 18 | Son | Laborer | Pennsylvania |
| 54 | Marie Fallon | 12 | Daughter | — | Pennsylvania |
| 55 | Dorothy Fallon | 9 | Daughter | — | Pennsylvania |
| 56 | Patrick Gillicam | 65 | Head | — | Irish Free State |
| 57 | Katherine Gillicam | 58 | Wife | — | Irish Free State |
| 58 | Mary Gillicam | 33 | Daughter | Operator | Pennsylvania |
| 59 | Thomas Gillicam | 32 | Son | Clerk | Pennsylvania |
| 60 | Henry Gillicam | 27 | Son | Attendant | Pennsylvania |
| 61 | Philip Wallace | 70 | Head | Fireman | Irish Free State |
| 62 | Thomas Wallace | 22 | Son | Inspector | Pennsylvania |
| 63 | William Wallace THIS PERSON | 20 | Son | Clerk | Pennsylvania |
| 64 | Edward Murray | 54 | Head | Grease Maker | Irish Free State |
| 65 | Katherine Murray | 71 | Wife | — | Irish Free State |
| 66 | Margaret Rutledge | 36 | Daughter | — | Pennsylvania |
| 67 | Robert Rutledge | 30 | Step-son | — | Pennsylvania |
| 68 | Anna Rutledge | 28 | Step-daughter | — | Pennsylvania |
| 69 | John Gallager | 43 | Head | Machinist | Irish Free State |
| 70 | Kathrine Gallager | 44 | Wife | — | Irish Free State |
| 71 | Charles Gallager | 13 | Son | — | Pennsylvania |
| 72 | Kathrine Gallager | 11 | Daughter | — | Pennsylvania |
| 73 | Agnes M. Gallager | 6 | Daughter | — | Pennsylvania |
| 74 | John O'Mally | 33 | Head | Laborer | Pennsylvania |
| 75 | Anna O'Mally | 30 | Wife | Soldering | Pennsylvania |
| 76 | Anna O'Mally | 10 | Daughter | — | Pennsylvania |
| 77 | Robert Shivers | 31 | Brother | Mechanic | Pennsylvania |
| 78 | Margaret Shivers | 31 | Sister | Waitress | Pennsylvania |
| 79 | Margaret Shivers | 6 | Neice | — | Pennsylvania |
| 80 | Mary Shivers | 10 | Neice | — | Pennsylvania |
Pedigree Summary
William + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
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)