JS
James Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lackawanna-County, Pennsylvania
Our Model Tree links this James Sweeney across the 1920, 1930 and 1940 US Censuses in Lackawanna-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Nicholas & Kathryn — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lackawanna-County, Pennsylvania |
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton City |
| 1935 Residence (County) | Lackawanna |
| Additional Details | |
| Occupation | accountant |
| Industry | steam railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Accountant |
| Township / Ward | Scranton City |
| Est. Birth Year | ~1904 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Kathryn Sweeney | Daughter | — | 40 | ~1900 |
| Mae Sweeney | Daughter | — | 44 | ~1896 |
| Kathryn Sweeney | Head | — | 64 | ~1876 |
| James Sweeney | Son | — | 36 | ~1904 |
Census Appearances
1920
Lackawanna, Pennsylvania
Son, age 12
Lackawanna, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Lackawanna, Pennsylvania
Son, age 23
Lackawanna, Pennsylvania · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Ireland |
| Occupation | Office Clerk |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lackawanna-County, Pennsylvania
Son, age 36
Lackawanna-County, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | Sweeney |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Scranton City |
| 1935 Residence (County) | Lackawanna |
| Occupation | accountant |
| Industry | steam railroad |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 1600 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 James Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nicholas Sweeney (~0.92 confidence) and mother Kathryn Sweeney (~0.92 confidence) and mother Mary 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
Nicholas Sweeney
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Kathryn Sweeney
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Sweeney
Son · 1940 · age 36 · b. ~1904 · Pennsylvania
★ You are viewing this record
Sibling
Mae Sweeney
Sibling · 1940 · age 44
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathryn Sweeney
Sibling · 1940 · age 40
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 — Lackawanna-County, Pennsylvania
Open full size
1940 US Federal Census — Lackawanna-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03686-00146)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie Heim | 54 | Head | — | Pennsylvania |
| 2 | Maude Heim | 15 | Daughter | — | Pennsylvania |
| 3 | John Polster | 32 | Head | — | Pennsylvania |
| 4 | Gertrude Polster | 31 | Wife | — | Pennsylvania |
| 5 | Andrew Schick | 27 | Head | Blacksmith | Pennsylvania |
| 6 | Ruth Schick | 27 | Wife | — | Pennsylvania |
| 7 | Bridget Breslin | 65 | Head | — | Ireland |
| 8 | Kathryn Breslin | 55 | Sister | — | Ireland |
| 9 | Anna Breslin | 50 | Sister | Maid | Ireland |
| 10 | John Falkowski | 31 | Head | Brakeman | Pennsylvania |
| 11 | Clarence Serowinski | 26 | Head | Laborer | Pennsylvania |
| 12 | Matilda Serowinski | 22 | Wife | — | Pennsylvania |
| 13 | Francis Jopling | 24 | Head | Laborer | Pennsylvania |
| 14 | Violet Jopling | 25 | Wife | — | Pennsylvania |
| 15 | Nancy Joan Jopling | 2 | Daughter | — | Pennsylvania |
| 16 | Janet K Jopling | 1 | Daughter | — | Pennsylvania |
| 17 | Joseph Fawcett | 38 | Head | Laborer | Pennsylvania |
| 18 | Clara Fawcett | 34 | Wife | — | Pennsylvania |
| 19 | Joseph Fawcett | 5 | Son | — | Pennsylvania |
| 20 | Ronald Fawcett | 2 | Son | — | Pennsylvania |
| 21 | Jacob Snyder | 80 | Head | — | Germany |
| 22 | Elizabeth Snyder | 41 | Daughter | — | Pennsylvania |
| 23 | Henrietta Snyder | 30 | Daughter | Seamstress | Pennsylvania |
| 24 | Joseph Myers | 50 | Head | Collector | Pennsylvania |
| 25 | Margaret Myers | 53 | Wife | — | Pennsylvania |
| 26 | Joseph Myers | 23 | Son | Salesman | Pennsylvania |
| 27 | Jerome Myers | 17 | Son | — | Pennsylvania |
| 28 | Jacob Jr Snyder | 38 | Head | — | Pennsylvania |
| 29 | Sophie Snyder | 25 | Wife | — | Pennsylvania |
| 30 | Gerald Snyder | 3 | Son | — | Pennsylvania |
| 31 | Joseph Pendergast | 28 | Head | Storeroom Clerk | Pennsylvania |
| 32 | Margaret Pendergast | 28 | Wife | — | Pennsylvania |
| 33 | Joseph Pendergast | 0 | Son | — | Pennsylvania |
| 34 | Kathryn Sweeney | 64 | Head | — | Ireland |
| 35 | Mae Sweeney | 44 | Daughter | Saleslady | Pennsylvania |
| 36 | Kathryn Sweeney | 40 | Daughter | — | Pennsylvania |
| 37 | James Sweeney THIS PERSON | 36 | Son | Accountant | Pennsylvania |
| 38 | Ernest Fross | 41 | Head | Typist | Pennsylvania |
| 39 | Grace Fross | 41 | Wife | — | New Jersey |
| 40 | Jeanne Fross | 13 | Daughter | — | Pennsylvania |
Pedigree Summary
James + 2 siblings
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)