WT
Walter Thompson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Walter Thompson across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Samuel & Caroline — first a son (b.~1916), then head of a 7-person household.
Age 24
b. ~1916
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Thompson |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Class of Worker | 520 |
| Hours Worked | 12 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Chester |
| Est. Birth Year | ~1916 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Elizabeth Rago | Daughter | — | 32 | ~1908 |
| James Thompson | Head | — | 23 | ~1917 |
| Albert Rago | Other | — | 1 | ~1939 |
| Albert Rago | Other | — | 39 | ~1901 |
| Walter Thompson | Son | — | 24 | ~1916 |
| Raymond Thompson | Son | — | 22 | ~1918 |
| Caroline Thompson | Spouse | — | 60 | ~1880 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 3
Delaware, Pennsylvania · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Delaware, Pennsylvania
Son, age 13
Delaware, Pennsylvania · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thompson |
| Given Name | Walter S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| 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
Delaware-County, Pennsylvania
Son, age 24
Delaware-County, Pennsylvania · implied b. ~1916 — 7 household members
| Surname | Thompson |
| Given Name | Walter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chester |
| 1935 Residence (County) | Delaware |
| Class of Worker | 520 |
| Hours Worked | 12 |
| Highest Grade | No 6 |
| 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 Walter Thompson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Samuel Thompson (~0.92 confidence) and mother Caroline Thompson (~0.92 confidence) and mother Carrie Thompson (~0.92 confidence) and father James Thompson (~0.50 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.82
Father
Samuel Thompson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Caroline Thompson
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Carrie Thompson
b. ~1880
Source mother
● Household
· direct · ~0.92
Father
James Thompson
b. ~1917
Source father
● Household
· direct · ~0.5
This person
Anchor record
Walter Thompson
Son · 1940 · age 24 · b. ~1916 · Pennsylvania
★ You are viewing this record
Sibling
Elizabeth Rago
Sibling · 1940 · age 32
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Thompson
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 — Delaware-County, Pennsylvania
Open full size
1940 US Federal Census — Delaware-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03488-00301)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward L. Jr. Dammaker | Danmaker | 19 | son | Errand Boy | Pennsylvania |
| 42 | Harry L. Thompson | 67 | Head | Leader | Pennsylvania |
| 43 | Minnie Thompson | 68 | Wife | — | Pennsylvania |
| 44 | James M. Thompson | 23 | Head | — | Pennsylvania |
| 45 | Caroline Thompson | 60 | Wife | — | Pennsylvania |
| 46 | Walter Thompson THIS PERSON | 24 | son | — | Pennsylvania |
| 47 | Raymond Thompson | 22 | son | Truck Driver | Pennsylvania |
| 48 | Albert Rago | 39 | son in law | Barber | Delaware |
| 49 | Elizabeth Rago | 32 | Daughter | — | Pennsylvania |
| 50 | Albert David Rago | 1 | Grandson | — | Pennsylvania |
| 51 | Emma V. Woford | 68 | Head | — | Pennsylvania |
| 52 | Mary R. Woford | 75 | Sister | — | Pennsylvania |
| 53 | George Wenzel | 58 | Head | Paper Maker | Pennsylvania |
| 54 | Lillian Wenzel | 52 | Wife | — | Pennsylvania |
| 55 | La Rue Wenzel | 32 | son | Paper Maker | Pennsylvania |
| 56 | George Jr. Wenzel | 26 | son | Paper Maker | Pennsylvania |
| 57 | Charles Wenzel | 25 | son | Laborer | Pennsylvania |
| 58 | Howard Wenzel | 23 | son | Measurer | Pennsylvania |
| 59 | Kenneth Wenzel | 21 | son | Meat Cutter | Pennsylvania |
| 60 | Ernest Carlino | 32 | Head | Sales Clerk | Pennsylvania |
| 61 | Orel Carlino | 25 | Wife | — | Pennsylvania |
| 62 | Elizabeth Cook | 60 | Mother in law | — | Pennsylvania |
| 63 | Guy Cook | 22 | Brother in law | Miner | Pennsylvania |
| 64 | Sartwell Cook | 19 | Brother in law | Cleaner | Pennsylvania |
| 65 | Phillip O. Schmaeling | 64 | Head | Examiner | Massachusetts |
| 66 | Martha Schmaeling | 65 | Wife | — | Pennsylvania |
| 67 | Samuel P. Ambrose | 54 | Head | Draftsman | Pennsylvania |
| 68 | Laurena P. Ambrose | 53 | Wife | — | Pennsylvania |
| 69 | Joseph E. Mooney | 60 | Head | Salesman | Pennsylvania |
| 70 | Emma X. Mooney | 57 | Wife | — | Maryland |
| 71 | Harry Holdcroft | 51 | Head | Clerk | Pennsylvania |
| 72 | Lillie Holdcroft | 51 | Wife | — | Pennsylvania |
| 73 | Sarah Holdcroft | 23 | Daughter | Teacher | Pennsylvania |
| 74 | Elizabeth Holdcroft | 17 | Daughter | — | Pennsylvania |
| 75 | Sarah Paul | 79 | Mother in law | — | Pennsylvania |
| 76 | Isabelle Taylor | 66 | Head | — | Ireland North |
| 77 | Isabelle Taylor | 34 | Daughter | Bookkeeper | Pennsylvania |
| 78 | Dorothy Taylor | 32 | Daughter | — | Pennsylvania |
| 79 | Selden Taylor | 30 | Son | Life Fitter Helper | Pennsylvania |
| 80 | Harold Taylor | 26 | Son | — | Pennsylvania |
Pedigree Summary
Walter + 2 siblings
Gen 1 · 4 parents
~0.81
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)