WS
William Shannon — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Philadelphia-County, Pennsylvania
Our Model Tree links this William Shannon across the 1930 and 1940 US Censuses in Philadelphia-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Philadelphia-County, Pennsylvania |
| Surname | Shannon |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila. |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Philadelphia |
| Est. Birth Year | ~1929 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Florence Shannon | Daughter | — | 12 | ~1928 |
| Dorthea Shannon | Daughter | — | 1 | ~1939 |
| William Shannon | Son | — | 11 | ~1929 |
| William Shannon | Head | — | 45 | ~1895 |
| Bertha Shannon | Spouse | — | 32 | ~1908 |
Census Appearances
1930
Philadelphia, Pennsylvania
Son, age 1
Philadelphia, Pennsylvania · implied b. ~1929 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shannon |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Philadelphia-County, Pennsylvania
Son, age 11
Philadelphia-County, Pennsylvania · implied b. ~1929 — 5 household members
| Surname | Shannon |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Philadelphia |
| 1935 Residence (County) | Phila. |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 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 William Shannon across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Shannon
Son · 1940 · age 11 · b. ~1929 · Pennsylvania
★ You are viewing this record
Sibling
Florence Shannon
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorthea Shannon
Sibling · 1940 · age 1
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
39 people indexed on this census page (nara:1940:m-t0627-03736-00586)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Anna May Collins | 43 | Wife | — | Pennsylvania |
| 42 | Jeremiah Collins | 18 | Son | Helper Welders | Pennsylvania |
| 43 | Lillian Collins | 15 | Daughter | — | Pennsylvania |
| 44 | Joseph Collins | 14 | Son | — | Pennsylvania |
| 45 | Mary Collins | 12 | Daughter | — | Pennsylvania |
| 46 | Thomas Collins | 8 | Son | — | Pennsylvania |
| 47 | John Collins | 5 | Son | — | Pennsylvania |
| 48 | Richard M. Harris | 52 | Head | Custodian | Pennsylvania |
| 49 | Anna P. Harris | 49 | Wife | — | Pennsylvania |
| 50 | William J. Harris | 16 | Son | — | Pennsylvania |
| 51 | Charles Worner | 25 | Step-son | Salesman | Pennsylvania |
| 52 | Owen Bannon | 64 | Head | Laborer | Ireland |
| 53 | Kathryn Bannon | 60 | Wife | — | Ireland |
| 54 | John J. Collins | 51 | Head | Temporary Employee | Pennsylvania |
| 55 | Bertha Collins | 44 | Wife | — | Pennsylvania |
| 56 | Henry X. Douce | 56 | Head | Progressman | England |
| 57 | Elizabeth Douce | 46 | Wife | Elevator Operator | New Jersey |
| 58 | Robert E. Douce | 22 | Son | Clerk | Pennsylvania |
| 59 | John O. Douce | 17 | Son | — | Pennsylvania |
| 60 | William Jr. Shannon | 45 | Head | Roofer | Pennsylvania |
| 61 | Bertha Shannon | 32 | Wife | — | Pennsylvania |
| 62 | Florence Shannon | 12 | Daughter | — | Pennsylvania |
| 63 | William Jr. Shannon THIS PERSON | 11 | Son | — | Pennsylvania |
| 64 | Dorthea Shannon | 1 | Daughter | — | Pennsylvania |
| 65 | John A. Devine | 58 | Head | Cleaner | Pennsylvania |
| 66 | Anna Devine | 51 | Wife | — | Pennsylvania |
| 67 | John Jr. Devine | 21 | Son | Spot Welder | Pennsylvania |
| 68 | Edward Devine | 20 | Son | Retailer | Pennsylvania |
| 69 | James Devine | 18 | Son | — | Pennsylvania |
| 70 | William Devine | 16 | Son | — | Pennsylvania |
| 71 | Frances Devine | 11 | Daughter | — | Pennsylvania |
| 72 | George Rue | 45 | Head | Janitor | Pennsylvania |
| 73 | Lily Rue | 52 | Wife | — | New Jersey |
| 74 | George Clark | 52 | Lodger | Senior Clerk | Pennsylvania |
| 75 | Adam Or. Swiezler | 44 | Head | Dentist | Pennsylvania |
| 76 | Mary Swiezler | 40 | Wife | — | Maryland |
| 77 | Adam Swiezler | 19 | Son | Messenger | Pennsylvania |
| 78 | Norman Swiezler | 16 | Son | — | Pennsylvania |
| 79 | Robert A. Rule | 58 | Head | Engineer | 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)