TS
Thomas Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dubuque-County, Iowa
Our Model Tree links this Thomas Sweeney across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dubuque-County, Iowa |
| Surname | Sweeney |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Farley town |
| 1935 Residence (County) | Dubuque |
| Additional Details | |
| Occupation | Electrician |
| Industry | Rural Electrification |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 314 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Electrician |
| Township / Ward | Farley Town |
| Est. Birth Year | ~1915 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Sweeney | Head | — | 68 | ~1872 |
| Thomas Sweeney | Son | — | 25 | ~1915 |
| James Mcdermott | Other | — | 86 | ~1854 |
| Elizabeth Sweeney | Spouse | — | 66 | ~1874 |
| James Sweeney | Son | — | 28 | ~1912 |
Census Appearances
1920
Dubuque, Iowa
Son, age 2
Dubuque, Iowa · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Thomas V |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Dubuque, Iowa
Son, age 12
Dubuque, Iowa · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | Thomas V. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Dubuque-County, Iowa
Son, age 25
Dubuque-County, Iowa · implied b. ~1915 — 5 household members
| Surname | Sweeney |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Farley town |
| 1935 Residence (County) | Dubuque |
| Occupation | Electrician |
| Industry | Rural Electrification |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 314 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 father Vincent Sweeney (~0.92 confidence) and mother Elizabeth Sweeney (~0.92 confidence) and mother Julia Sweeney (~0.92 confidence) and mother Stella Sweeney (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Sweeney
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Thomas Sweeney
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Vincent Sweeney
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Sweeney
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Julia Sweeney
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Stella Sweeney
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Sweeney
Son · 1940 · age 25 · b. ~1915 · Iowa
★ You are viewing this record
Sibling
James Sweeney
Sibling · 1940 · age 28
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 — Dubuque-County, Iowa
Open full size
1940 US Federal Census — Dubuque-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01158-00117)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Numan | 83 | Head | — | Germany |
| 42 | Margaret Numan | 74 | Wife | — | Germany |
| 43 | Clarence Jorger | 31 | Head | Plumber | Iowa |
| 44 | Alice Jorger | 32 | Wife | — | Iowa |
| 45 | Barbara Jorger | 5 | Daughter | — | Iowa |
| 46 | Thomas Jorger | 2 | Son | — | Iowa |
| 47 | James Armstrong | 83 | Head | — | Iowa |
| 48 | Jessie Armstrong | 72 | Wife | — | Iowa |
| 49 | Everett Glass | 34 | Head | Auto Shop | Iowa |
| 50 | Myrtle Glass | 34 | Wife | — | Iowa |
| 51 | Gloria Glass | 11 | Daughter | — | Iowa |
| 52 | Everett Glass | 9 | Son | — | Iowa |
| 53 | Jan Glass | 6 | Son | — | Iowa |
| 54 | Gary Glass | 5 | Son | — | Iowa |
| 55 | John Glass | 2 | Son | — | Iowa |
| 56 | Anthony Klosterman | 43 | Head | Station Operator | Iowa |
| 57 | Laura Bell Klosterman | 32 | Wife | — | Iowa |
| 58 | Grace Klosterman | 8 | Daughter | — | Iowa |
| 59 | Jean Klosterman | 5 | Daughter | — | Iowa |
| 60 | Thomas Sweeney | 68 | Head | — | Iowa |
| 61 | Elizabeth Sweeney | 66 | Wife | — | Iowa |
| 62 | James Sweeney | 28 | Son | Attendant | Iowa |
| 63 | Thomas Sweeney THIS PERSON | 25 | Son | Electrician | Iowa |
| 64 | James Mcdermott | 86 | Father-in-law | — | Iowa |
| 65 | Frank Benn | 74 | Head | — | Wisconsin |
| 66 | Nellie Benn | 67 | Wife | — | Iowa |
| 67 | Richard Carden | 26 | Head | Salesman | Iowa |
| 68 | Clara Carden | 23 | Wife | — | Iowa |
| 69 | Michael O'Meara | 74 | Head | — | Iowa |
| 70 | Mary O'Meara | 64 | Wife | — | Iowa |
| 71 | Frank Ransom | 85 | Head | — | New York |
| 72 | Anna Ransom | 76 | Wife | — | Iowa |
| 73 | Margaret Ramm | 50 | Head | — | Iowa |
| 74 | Elmer Tucker | 28 | Lodger | Labor | Iowa |
| 75 | Vivian Tucker | 30 | Lodger | — | South Dakota |
| 76 | Gertrude Baker | 51 | Head | — | Iowa |
| 77 | Nicholas Sommer | 50 | Head | Own Shop | Wisconsin |
| 78 | Nellie Sommer | 52 | Wife | — | Wisconsin |
| 79 | Irene Sommer | 23 | Daughter | Waitress | Wisconsin |
| 80 | Ruth Sommer | 19 | Daughter | — | Wisconsin |
Pedigree Summary
Thomas + 1 sibling
Gen 1 · 6 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)