KS
Katherine Sullivan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Washington-County, Minnesota
Our Model Tree links this Katherine Sullivan across the 1920, 1930 and 1940 US Censuses in Washington-County, Minnesota (XGBoost, ~Confirmed) — first a spouse (b.~1878), then head of a 7-person household.
Age 62
b. ~1878
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Minnesota |
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Stillwater City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Stillwater City |
| Est. Birth Year | ~1878 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Michael Sullivan | Daughter | — | 29 | ~1911 |
| Eileen Sullivan | Daughter | — | 25 | ~1915 |
| B Sullivan | Head | — | 63 | ~1877 |
| Magadelene Sullivan | Daughter | — | 18 | ~1922 |
| Frances Sullivan | Daughter | — | 19 | ~1921 |
| Katherine Sullivan | Spouse | — | 62 | ~1878 |
| Margaret Sullivan | Daughter | — | 29 | ~1911 |
Census Appearances
1920
Washington, Minnesota
Spouse, age 41
Washington, Minnesota · implied b. ~1879 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Washington, Minnesota
Spouse, age 52
Washington, Minnesota · implied b. ~1878 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 29 |
| Father's Birthplace | Canada French |
| Mother's Birthplace | Irish Free State |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Washington-County, Minnesota
Spouse, age 62
Washington-County, Minnesota · implied b. ~1878 — 7 household members
| Surname | Sullivan |
| Given Name | Katherine |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Stillwater City |
| 1935 Residence (County) | Washington |
| Highest Grade | 8 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Katherine 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
Katherine Sullivan
Spouse · 1940 · age 62 · b. ~1878 · Minnesota
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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 — Washington-County, Minnesota
Open full size
1940 US Federal Census — Washington-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01967-00554)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald Olson | 27 | Head | Laborer | Minnesota |
| 2 | Ione @ Olson | 23 | Wife | Waitress | Minnesota |
| 3 | Olson | None | — | — | — |
| 4 | Olson | None | — | — | — |
| 5 | Harold M. @ Pauley | 29 | Head | Laborer | Minnesota |
| 6 | Ruby Pauley | 23 | Wife | — | Wisconsin |
| 7 | Maynard Stone | 29 | Head | Laborer | Minnesota |
| 8 | Lois @ Stone | 24 | Wife | — | Minnesota |
| 9 | David M. Stone | 1 | Son | — | Minnesota |
| 10 | Stone | None | — | — | — |
| 11 | Stone | None | — | — | — |
| 12 | Stone | None | — | — | — |
| 13 | Stone | None | — | — | — |
| 14 | Gerhardt Hollander | 38 | Head | Molder | Minnesota |
| 15 | Mary Hollander | 30 | Wife | Power Machine | Minnesota |
| 16 | B. J. @ Sullivan | 63 | Head | Relief | Minnesota |
| 17 | Katherine Sullivan THIS PERSON | 62 | Wife | — | Minnesota |
| 18 | Margaret Sullivan | 29 | Daughter | — | Minnesota |
| 19 | Michael Sullivan | 29 | Daughter | — | Minnesota |
| 20 | Eileen Sullivan | 25 | Daughter | — | Minnesota |
| 21 | Frances Sullivan | 19 | Daughter | — | Minnesota |
| 22 | Magadelene Sullivan | 18 | Daughter | — | Wisconsin |
| 23 | Leo Cartony | 34 | Head | Truck Driver | Minnesota |
| 24 | Laurine @ Cartony | 30 | Wife | — | Minnesota |
| 25 | Richard Cartony | 10 | Son | — | Minnesota |
| 26 | Cartony | None | — | — | — |
| 27 | Sydney M. Olson | 34 | Head | — | Minnesota |
| 28 | Elvera @ Olson | 28 | Wife | — | Minnesota |
| 29 | Donna Gale Olson | 6 | Daughter | — | Minnesota |
| 30 | Carl Peterson | 61 | Head | Elec. Supt. | Sweden |
| 31 | Ruth @ Peterson | 52 | Wife | — | Minnesota |
| 32 | Bernice Peterson | 32 | Daughter | — | Wisconsin |
| 33 | Iles Peterson | 24 | Son | — | Wisconsin |
| 34 | Norman Peterson | 22 | Son | — | Wisconsin |
| 35 | Otto C. Reiging | 50 | Head | Lineman | Minnesota |
| 36 | Elsie B. Reiging | 41 | Wife | — | Minnesota |
| 37 | Marian Dornfeld | 18 | Lodger | — | Minnesota |
| 38 | Kermit Dornfeld | 14 | Lodger | — | Minnesota |
| 39 | Ralph @ Toussaint | 42 | Head | Construction Work | Wisconsin |
| 40 | Leona E. Toussaint | 35 | Wife | — | Wisconsin |
Related Census Records
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)