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John Sweeney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this John Sweeney across the 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed), with identified parents Hugh & Mary — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Butte |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Occupation | Mail carrier |
| Industry | Postal Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 222 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Mail Carrier |
| Township / Ward | Butte |
| 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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Sweeney | Head | — | 62 | ~1878 |
| John Sweeney | Son | — | 36 | ~1904 |
| William Sweeney | Son | — | 34 | ~1906 |
| Hugh Sweeney | Son | — | 29 | ~1911 |
Census Appearances
1920
Silver Bow, …
Son, age 16
Silver Bow, Montana · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Silver Bow, …
Son, age 25
Silver Bow, Montana · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Mail Carrier |
| Industry | United States |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Silver-Bow-County, Montana
Son, age 36
Silver-Bow-County, Montana · implied b. ~1904 — 4 household members
| Surname | Sweeney |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Butte |
| 1935 Residence (County) | Silver Bow |
| Occupation | Mail carrier |
| Industry | Postal Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 222 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Sweeney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hugh Sweeney (~0.92 confidence) and mother Mary 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
Hugh Sweeney
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Sweeney
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Sweeney
Son · 1940 · age 36 · b. ~1904 · Montana
★ You are viewing this record
Sibling
Hugh Sweeney
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Sweeney
Sibling · 1940 · age 34
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 — Silver-Bow-County, Montana
Open full size
1940 US Federal Census — Silver-Bow-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02230-00632)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ida Hurwitz | 48 | Wife | — | Russia |
| 42 | Anna Hurwitz | 27 | Daughter | — | Montana |
| 43 | Esthellos Hurwitz | 20 | Daughter | — | Montana |
| 44 | Bert H. Williams | 32 | Head | Blacksmith | Montana |
| 45 | Helen Williams | 30 | Wife | — | Montana |
| 46 | Mary Lou Williams | 9 | Daughter | — | Montana |
| 47 | Edna Parker | 24 | Head | Clerical | Montana |
| 48 | Dorothy Lee Parker | 5 | Daughter | — | Montana |
| 49 | Angelo Quessau | 43 | Head | Bartender | Montana |
| 50 | Olive Quessau | 45 | Wife | Bindery | Minnesota |
| 51 | Chester Buckthought | 43 | Head | Bottomman | Montana |
| 52 | Mary Sweeney | 62 | Head | — | Irish Free State |
| 53 | John Sweeney THIS PERSON | 36 | Son | Mail Carrier | Montana |
| 54 | William Sweeney | 34 | Son | Laborer | Montana |
| 55 | Hugh Marquis Sweeney | 29 | Son | Special Delivery Mail Carrier | Montana |
| 56 | Bert G. Foote | 54 | Head | Barber | Montana |
| 57 | Mary Foote | 48 | Wife | Mangle | Montana |
| 58 | Laverne Foote | 18 | Daughter | — | Montana |
| 59 | Adele M. Foote | 12 | Daughter | — | Montana |
| 60 | Morris Hayle | 32 | Head | Busdriver | Montana |
| 61 | Mary Hayle | 24 | Wife | — | Montana |
| 62 | Patricia R. Hayle | 6 | Daughter | — | Montana |
| 63 | Shirley Hayle | 4 | Daughter | — | Montana |
| 64 | Thomas F. Mcgovern | 52 | Head | Miner | Minnesota |
| 65 | Mary Lois Mcgovern | 39 | Wife | — | Illinois |
| 66 | George H. Samuels | 32 | Brother-in-law | Miner | Oklahoma |
| 67 | Logan Morgan | 46 | Head | Miner | Maryland |
| 68 | Genevieve Morgan | 41 | Wife | Waitress | Montana |
| 69 | Jack Farley | 45 | Head | Bartender | Minnesota |
| 70 | Nella Farley | 40 | Wife | — | Montana |
| 71 | Jack Farley | 15 | Son | — | Washington |
| 72 | John W. Kelly | 48 | Head | Safety Engineer | Pennsylvania |
| 73 | Tom Kelly | 27 | Brother | — | Colorado |
| 74 | Patrick Cowan | 20 | Nephew | Clerk | Montana |
| 75 | Clarence A. Babesch | 45 | Head | Station Tender | Montana |
| 76 | Caroline Babesch | 36 | Wife | — | Montana |
| 77 | James Babesch | 7 | Son | — | Montana |
| 78 | Theodosia Anne Babesch | 6 | Daughter | — | Montana |
| 79 | Annie Fellows | 81 | Mother | — | Utah |
| 80 | Selma Stemus | 21 | Head | — | North Dakota |
Pedigree Summary
John + 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)