FS
Frank Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this Frank Sullivan across the 1910, 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed), with identified parents Helen — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: Utah
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Sullivan |
| Given Name | Frank K. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Occupation | Fireman |
| Township / Ward | Butte City |
| Est. Birth Year | ~1894 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Frank Sullivan | Head | — | 46 | ~1894 |
| Maude Sullivan | Spouse | — | 44 | ~1896 |
| William Sullivan | Son | — | 22 | ~1918 |
Census Appearances
1910
Silver Bow, …
Son, age 19
Silver Bow, Montana · implied b. ~1891 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Utah |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Connecticut |
| Occupation | Miner |
| Industry | Copper Mine |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1920
Silver Bow, …
Head, age 28
Silver Bow, Montana · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Utah |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Canada |
| Occupation | Fireman |
| Industry | City Fire Dept |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1930
Silver Bow, …
Head, age 38
Silver Bow, Montana · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Frank H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 24 |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Canada-English |
| Occupation | Foreman |
| Industry | Fire Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 25.00 |
| Radio Set | R |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Silver-Bow-County, Montana
Head, age 46
Silver-Bow-County, Montana · implied b. ~1894 — 3 household members
| Surname | Sullivan |
| Given Name | Frank K. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Occupation | Fireman |
| Industry | City |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Frank Sullivan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Helen Sullivan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Helen Sullivan
b. ~1860
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frank Sullivan
Head · 1940 · age 46 · b. ~1894 · Montana
★ You are viewing this record
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-t0627-02230-00291)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Patrick Mcbride | 38 | Head | Miner | Montana |
| 2 | Mae Mcbride | 36 | Wife | — | Montana |
| 3 | Tom Mcbride | 17 | Son | — | Montana |
| 4 | Saddie Beardley | 61 | Head | — | Michigan |
| 5 | B. Powers | 32 | Daughter | Clerk | Montana |
| 6 | Robert Coppo | 25 | Head | Laborer | Montana |
| 7 | Margaret Coppo | 24 | Wife | — | Montana |
| 8 | William Mitchell | 35 | Head | — | Montana |
| 9 | C. Mitchell | 57 | Mother | — | Michigan |
| 10 | Frank K. Sullivan THIS PERSON | 46 | Head | Fireman | Utah |
| 11 | Maude Sullivan | 44 | Wife | — | Montana |
| 12 | William Sullivan | 22 | Son | — | Montana |
| 13 | Ida Helman | 34 | Head | Beauty Operator | Michigan |
| 14 | Jean Helman | 13 | Daughter | — | Montana |
| 15 | John Snider | 31 | Head | Miner | Minnesota |
| 16 | Tillie Snider | 33 | Wife | — | Minnesota |
| 17 | Lois Snider | 4 | Daughter | — | Minnesota |
| 18 | Samuel Gibson | 67 | Head | Watchman | Indiana |
| 19 | Mabel Gibson | 57 | Wife | — | Colorado |
| 20 | Frank Bons | 62 | Head | Operator | Wisconsin |
| 21 | Florence Bons | 49 | Wife | — | Wisconsin |
| 22 | Walter H. Hermon | 43 | Head | Truck Driver | Wisconsin |
| 23 | Leona Hermon | 42 | Wife | — | Germany |
| 24 | Berta Hermon | 22 | Daughter | Clerk | Montana |
| 25 | Doris Hermon | 20 | Daughter | Clerk | Montana |
| 26 | Maxine Hermon | 18 | Daughter | — | Montana |
| 27 | Robert Hermon | 16 | Son | — | Montana |
| 28 | H. S. Currie | 37 | Head | Bargeman | Montana |
| 29 | Frances Currie | 26 | Wife | — | Colorado |
| 30 | Frank Connell | 37 | Head | Clerk | Montana |
| 31 | Norine Connell | 37 | Wife | — | Montana |
| 32 | Catherine Connell | 2 | Daughter | — | Montana |
| 33 | Kate M. Killoy | 64 | Mother-in-law | Clerical | Pennsylvania |
| 34 | Agnes Killoy | 36 | Sister-in-law | Clerk | Montana |
| 35 | Gene Killoy | 14 | Son | — | Montana |
| 36 | Joseph Crumby | 76 | Head | Miner | New York |
| 37 | Mary A. Crumby | 76 | Wife | — | New York |
| 38 | George Crumby | 57 | Boarder | Boss | New York |
| 39 | Lundy Crumby | 40 | Wife | — | Montana |
| 40 | Ernest One | 34 | Boarder | Miner | Montana |
Pedigree Summary
Frank
Gen 1 · 1 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)