SS
Sarah Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this Sarah Sullivan across the 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 5-person household.
Age 67
b. ~1873
Female
Head
Born: Iowa
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Sullivan |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Butte City |
| Est. Birth Year | ~1873 |
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 Sarah | Age | Birth yr |
|---|---|---|---|---|
| Margaret Sullivan | Daughter | — | 38 | ~1902 |
| Sarah Sullivan | Head | — | 67 | ~1873 |
| John Sullivan | Son | — | 31 | ~1909 |
| Marie Sullivan | Spouse | — | 26 | ~1914 |
| Donna Sullivan | Daughter | — | 1 | ~1939 |
Census Appearances
1920
Silver Bow, …
Spouse, age 47
Silver Bow, Montana · implied b. ~1873 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Sarah |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Silver Bow, …
Spouse, age 57
Silver Bow, Montana · implied b. ~1873 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Sarah V. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 27 |
| Father's Birthplace | Free State |
| Mother's Birthplace | Irish State |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Silver-Bow-County, Montana
Head, age 67
Silver-Bow-County, Montana · implied b. ~1873 — 5 household members
| Surname | Sullivan |
| Given Name | Sarah |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 67 |
| Marital Status | Widowed |
| Birthplace | Iowa |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Sarah Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Sarah Sullivan
Head · 1940 · age 67 · b. ~1873 · Montana
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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-t0627-02230-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louise Koehler | 56 | Wife | — | Wisconsin |
| 42 | Sarah Sullivan THIS PERSON | 67 | Head | — | Iowa |
| 43 | Margaret Sullivan | 38 | Daughter | Comptometer Operator | Montana |
| 44 | John M. Sullivan | 31 | Son | Electrician | Montana |
| 45 | Marie Sullivan | 26 | Wife | — | Montana |
| 46 | Donna M. Sullivan | 1 | Daughter | — | Montana |
| 47 | Thomas Reid | 47 | Head | — | Irish Free State |
| 48 | Michael Kelly | 44 | Head | — | Irish Free State |
| 49 | Mary Hopkins | 34 | Head | Time Keeper | Missouri |
| 50 | Mary Ryan | 62 | Head | Foreman | Montana |
| 51 | Lara Pasquill | 67 | Head | Seamstress | Denmark |
| 52 | Orlando White | 48 | Head | Miner | England |
| 53 | Frances White | 44 | Wife | — | England |
| 54 | Pearl White | 18 | Daughter | Nurse Maid | Minnesota |
| 55 | Wilbur Allen | 37 | Head | Laborer | Montana |
| 56 | Elsie Allen | 19 | Wife | — | Montana |
| 57 | Lyle Allen | 2 | Son | — | Montana |
| 58 | Merl Allen | 0 | Son | — | Montana |
| 59 | Julia Delgrosso | 23 | Head | Miner | California |
| 60 | Sylvia E. Rundell | 45 | Head | Seamstress | Nebraska |
| 61 | Katie Shaw | 52 | Head | Sales Clerk | North Ireland |
| 62 | Virginia L. Murphy | 39 | Head | Nurse | Colorado |
| 63 | Thomas Murphy | 14 | Son | — | Montana |
| 64 | Joseph D. Murphy | 12 | Son | — | Montana |
| 65 | Charles S. Foot | 35 | Head | Geologist | Montana |
| 66 | Lucille M. Foot | 28 | Wife | — | No. Dakota |
| 67 | William J. Cates | 56 | Head | — | Kentucky |
| 68 | Mary Cates | 36 | Wife | Manager | Idaho |
| 69 | Thomas P. Cates | 57 | Brother | — | Kentucky |
| 70 | Katherine Goggin | 50 | Lodger | — | Montana |
| 71 | William J. Goggin | 56 | Lodger | Linotypist | Michigan |
| 72 | Henry S. Le Veaux | 55 | Lodger | Dealer | Texas |
| 73 | Albert C. Mcneil | 69 | Lodger | Salesman | Ohio |
| 74 | Joseph L. Beckett | 59 | Lodger | Book Binder | Michigan |
| 75 | Rae Baldwin | 54 | Lodger | Clerk | Colorado |
| 76 | Brover Schultz | 50 | Lodger | Sales Clerk | Illinois |
| 77 | John P. Mcnulty | 45 | Lodger | Miner | Montana |
| 78 | Casper Motzko | 59 | Lodger | Bottler | Minnesota |
| 79 | Afton Leishman | 21 | Lodger | Sales Clerk | Montana |
| 80 | John M. Sarsfield | 28 | Lodger | Barber | Canada-English |
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)