WS
William Simon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Simon across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 6-person household.
Age 17
b. ~1923
Male
Son
Born: Penna
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Simon |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila city |
| 1935 Residence (County) | Philadelphia |
| Additional Details | |
| Occupation | Helper |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
| Occupation | Helper |
| Township / Ward | Phila City |
| Est. Birth Year | ~1923 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Simon | Head | — | 39 | ~1901 |
| William Simon | Son | — | 17 | ~1923 |
| S Simon | Spouse | — | 42 | ~1898 |
| Benjamin Simon | Son | — | 20 | ~1920 |
| Robert Simon | Son | — | 11 | ~1929 |
| Joseph Simon | Son | — | 15 | ~1925 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 6
Philadelphia, Pennsylvania · implied b. ~1924 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simon |
| Given Name | William C |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Penna |
| Father's Birthplace | Penna |
| Mother's Birthplace | Penna |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
1940
Philadelphia-County, Pennsylvania
Son, age 17
Philadelphia-County, Pennsylvania · implied b. ~1923 — 6 household members
| Surname | Simon |
| Given Name | William |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Penna |
| 1935 Residence (City) | Phila city |
| 1935 Residence (County) | Philadelphia |
| Occupation | Helper |
| Industry | Farming |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | penna |
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 Simon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Simon
Son · 1940 · age 17 · b. ~1923 · Pennsylvania
★ You are viewing this record
Sibling
Robert Simon
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Simon
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Simon
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
30 people indexed on this census page (nara:1940:m-t0627-03726-00316)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Daniel Johnson | 16 | son | New Worker | Penna |
| 42 | William Johnson | 14 | son | — | Penna |
| 43 | Edward Johnson | 5 | son | — | Penna |
| 44 | John Johnson | 1 | son | — | Penna |
| 45 | Joseph Cottman | 54 | Head | Maintenance Man | Penna |
| 46 | Viola Cottman | 41 | wife | — | Penna |
| 47 | Catherine Cottman | 20 | daughter | House-Cleaner | Penna |
| 48 | Joseph Cottman | 15 | son | — | Penna |
| 49 | Blanch Cottman | 13 | daughter | — | Penna |
| 50 | William Wilson | 66 | Head | — | Penna |
| 51 | Maud Wilson | 46 | daughter | Clerk | Penna |
| 52 | M. Elsie Wilson | 33 | daughter | School Teacher | Penna |
| 53 | J. Robert Wilson | 29 | son | Laborer | Penna |
| 54 | Raymond Cook | 29 | Head | Veterinarian Doctor | Penna |
| 55 | Rebecca Cook | 29 | wife | — | Penna |
| 56 | Winnie Cook | 64 | mother | — | Penna |
| 57 | William Cook | 33 | brother | — | Penna |
| 58 | William Simon | 39 | Head | Maintenance | Penna |
| 59 | S. Hannah Simon | 42 | wife | — | Penna |
| 60 | Benjamin Simon | 20 | son | Laborer | Penna |
| 61 | William Simon THIS PERSON | 17 | son | Helper | Penna |
| 62 | Joseph Simon | 15 | son | — | Penna |
| 63 | Robert Simon | 11 | son | — | Penna |
| 64 | G. Paul Kane | 36 | Head | Interior Decorator | Penna |
| 65 | Katherine Kane | 35 | wife | — | Jugoslavia |
| 66 | Kathleen Kane | 0 | daughter | — | Penna |
| 67 | Frank Eisemann | 44 | Head | Plumber | Penna |
| 68 | Mary Eisemann | 40 | wife | — | Penna |
| 69 | Extra Line Misinformed As To Number In Household | None | — | — | — |
| 70 | John | 18 | son | — | Penna |
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)