TS
Thomas Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Delaware-County, Pennsylvania
Our Model Tree links this Thomas Sweeney across the 1920, 1930 and 1940 US Censuses in Delaware-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delaware-County, Pennsylvania |
| Surname | Sweeney |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Delaware |
| Additional Details | |
| Occupation | Helper |
| Industry | Machinist Waterhouse |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Helper |
| Township / Ward | Prospect Park Borough |
| Est. Birth Year | ~1918 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Mary Sweeney | Spouse | — | 44 | ~1896 |
| Stanley Sweeney | Son | — | 19 | ~1921 |
| Thomas Sweeney | Head | — | 50 | ~1890 |
| Thomas Sweeney | Son | — | 22 | ~1918 |
Census Appearances
1920
Delaware, Pennsylvania
Son, age 1
Delaware, Pennsylvania · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Thomas B. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 12
Delaware, Pennsylvania · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Thomas C Jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Delaware-County, Pennsylvania
Son, age 22
Delaware-County, Pennsylvania · implied b. ~1918 — 4 household members
| Surname | Sweeney |
| Given Name | Thomas Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Prospect Park Borough |
| 1935 Residence (County) | Delaware |
| Occupation | Helper |
| Industry | Machinist Waterhouse |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 252 |
| Highest Grade | H-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 Thomas Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Sweeney (~0.92 confidence) and father Thomas Sweeney (~0.92 confidence) and mother Anna Sweeney (~0.92 confidence) and mother Mary Sweeney (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sweeney
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Thomas Sweeney
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Anna Sweeney
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sweeney
Son · 1940 · age 22 · b. ~1918 · Pennsylvania
★ You are viewing this record
Sibling
Stanley Sweeney
Sibling · 1940 · age 19
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-t0627-03494-00510)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Emily Hemberger | 42 | Wife | — | Pennsylvania |
| 2 | Emily Hemberger | 16 | Daughter | — | Pennsylvania |
| 3 | Kenneth Hemberger | 13 | Son | — | Pennsylvania |
| 4 | Anna (A) Greene | 80 | Head | — | Pennsylvania |
| 5 | Hiram (H) Dugan | 40 | Head | Bartender | Pennsylvania |
| 6 | Mary Dugan | 37 | Wife | — | Delaware |
| 7 | John (X) Flock | 55 | Head | Machinist | Pennsylvania |
| 8 | Mabel Flock | 52 | Wife | Saleslady | Pennsylvania |
| 9 | Gilbert Flock | 24 | Son | Clerk | Pennsylvania |
| 10 | Emily Flock | 20 | Daughter | Stenographer | Pennsylvania |
| 11 | Frank J (H) Berg | 35 | Head | Carpenter | Pennsylvania |
| 12 | Frances L Berg | 35 | Wife | — | New York |
| 13 | Helen E Berg | 12 | Daughter | — | Pennsylvania |
| 14 | Frances J Berg | 11 | Daughter | — | Pennsylvania |
| 15 | Janet R Berg | 10 | Daughter | — | Pennsylvania |
| 16 | Annie S Berg | 58 | Mother | Dressmaker | Pennsylvania |
| 17 | Gleen Pyle | 25 | Head | Welder | Pennsylvania |
| 18 | Ethel (X) Pyle | 21 | Wife | — | Pennsylvania |
| 19 | William Brooker | 54 | Head | Painter | Pennsylvania |
| 20 | Anna R Brooker | 52 | Wife | Painter | Pennsylvania |
| 21 | Paul Brooker | 14 | Son | — | Pennsylvania |
| 22 | Marion John Brooker | 55 | Lodger | Machinist | New York |
| 23 | Thomas Sweeney | 50 | Head | Salesman | Pennsylvania |
| 24 | Mary F (X) Sweeney | 44 | Wife | — | Pennsylvania |
| 25 | Thomas Jr Sweeney THIS PERSON | 22 | Son | Helper | Pennsylvania |
| 26 | Stanley Sweeney | 19 | Son | — | Pennsylvania |
| 27 | Richard Stewart | 42 | Head | Machinist | Maryland |
| 28 | Mabel (X) Stewart | 40 | Wife | — | West Virginia |
| 29 | Elizabeth Stewart | 19 | Daughter | — | West Virginia |
| 30 | Ruth Stewart | 14 | Daughter | — | Maryland |
| 31 | Clarence Bittle | 21 | Head | Machinist | Pennsylvania |
| 32 | Lois Bittle | 21 | Wife | — | Delaware |
| 33 | Gertrude Gurnick | 17 | Daughter | — | Pennsylvania |
| 34 | Richard Gurnick | 1 | Son | — | Pennsylvania |
| 35 | Joseph Craddock | 41 | Head | Operator | Delaware |
| 36 | Mary Davis Craddock | 39 | Wife | — | Delaware |
| 37 | Joseph Jr Craddock | 20 | Son | — | Pennsylvania |
| 38 | Marcia Craddock | 7 | Daughter | — | Pennsylvania |
| 39 | John (X) Himmitt | 30 | Head | Chemist | Pennsylvania |
| 40 | Dorothy C Himmitt | 28 | Wife | — | Pennsylvania |
Pedigree Summary
Thomas + 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)