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John Simms — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Pennsylvania
Our Model Tree links this John Simms across the 1930 and 1940 US Censuses in Washington-County, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 8-person household.
Age 19
b. ~1921
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Pennsylvania |
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg borough |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Salesman |
| Industry | Ret Groc Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Salesman |
| Township / Ward | Canonsburg Borough |
| Est. Birth Year | ~1921 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Richard Simms | Son | — | 21 | ~1919 |
| Edgar Simms | Son | — | 25 | ~1915 |
| Alfred Simms | Son | — | 14 | ~1926 |
| Thomas Simms | Head | — | 62 | ~1878 |
| John Simms | Son | — | 19 | ~1921 |
| Robert Simms | Son | — | 10 | ~1930 |
| Cara Simms | Spouse | — | 51 | ~1889 |
| George Simms | Son | — | 17 | ~1923 |
Census Appearances
1930
Washington, Pennsylvania
Son, age 9
Washington, Pennsylvania · implied b. ~1921 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Washington-County, Pennsylvania
Son, age 19
Washington-County, Pennsylvania · implied b. ~1921 — 8 household members
| Surname | Simms |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Canonsburg borough |
| 1935 Residence (County) | Washington |
| Occupation | Salesman |
| Industry | Ret Groc Store |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 260 |
| Highest Grade | Hs 4 |
| 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 John Simms across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Simms
Son · 1940 · age 19 · b. ~1921 · Pennsylvania
★ You are viewing this record
Sibling
Robert Simms
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edgar Simms
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Simms
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alfred Simms
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Simms
Sibling · 1940 · age 17
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 — Washington-County, Pennsylvania
Open full size
1940 US Federal Census — Washington-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03620-00706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah A. Henry | 72 | Head | — | Pennsylvania |
| 2 | Lily Wilshaw | 45 | Lodger | House Work | England |
| 3 | Carlo Delibero | 59 | Head | Watchman | Italy |
| 4 | Mary Delibero | 22 | Daughter | Book-Keeper | Pennsylvania |
| 5 | Carl Jr. Delibero | 19 | Son | — | Pennsylvania |
| 6 | Robert Wood | 61 | Head | Loader | Virginia |
| 7 | Mattie Wood | 60 | Wife | — | Virginia |
| 8 | Clarence Wood | 32 | Son | Laborer | Pennsylvania |
| 9 | Andrew Pollack | 56 | Head | Blacksmith Helper | Austria |
| 10 | Magdalene Pollack | 68 | Wife | — | Austria |
| 11 | Charles Pollack | 32 | Son | Life Guard | Pennsylvania |
| 12 | James Thomas | 44 | Head | Messenger | Virginia |
| 13 | Edna Thomas | 43 | Wife | — | Pennsylvania |
| 14 | Arlene Thomas | 19 | Daughter | — | Pennsylvania |
| 15 | Harold Thomas | 17 | Son | — | Pennsylvania |
| 16 | John Thomas | 15 | Son | — | Pennsylvania |
| 17 | Anne Thomas | 12 | Daughter | — | Pennsylvania |
| 18 | Alice Thomas | 8 | Daughter | — | Pennsylvania |
| 19 | Sherman Foster | 46 | Head | Janitor | Georgia |
| 20 | Pearl Foster | 47 | Wife | — | Pennsylvania |
| 21 | William Boon | 44 | Head | Store Room Clerk | Pennsylvania |
| 22 | Eva C. Boon | 42 | Wife | — | Pennsylvania |
| 23 | Eleanor A. Boon | 15 | Daughter | — | Pennsylvania |
| 24 | James Races | 28 | Head | Time Keeper | Pennsylvania |
| 25 | Lillian Races | 24 | Wife | — | Pennsylvania |
| 26 | Elsie Races | 6 | Daughter | — | Pennsylvania |
| 27 | Marian Mastic | 18 | Lodger | — | Pennsylvania |
| 28 | Joseph J. Beck | 55 | Head | Owner | Hungary |
| 29 | Sophia Beck | 52 | Wife | — | Hungary |
| 30 | Thomas Simms | 62 | Head | Construction Foreman | England |
| 31 | Cara Simms | 51 | Wife | — | England |
| 32 | Edgar Simms | 25 | Son | Investigator | Pennsylvania |
| 33 | Richard Simms | 21 | Son | Laborer | Pennsylvania |
| 34 | John Simms THIS PERSON | 19 | Son | Salesman | Pennsylvania |
| 35 | George Simms | 17 | Son | — | Pennsylvania |
| 36 | Alfred Simms | 14 | Son | — | Pennsylvania |
| 37 | Robert Simms | 10 | Son | — | Pennsylvania |
| 38 | Andrew Rogut | 56 | Head | — | Poland |
| 39 | Sophia Rogut | 45 | Wife | — | Poland |
| 40 | Frank Rogut | 28 | Son | Manager | 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)