Place:Sullivan Cemetery, Winthrop, Okanogan, Washington, United States

According to OpenStreetMap, the Winthrop town boundary runs through the cemetery; see the Sullivan Cemetery object on the map.

The Find a Grave record for the cemetery indicates that 96% of the 1,343 memorials (as of 4 Dec 2021) present have accompanying photographs. The BillionGraves record is much smaller, containing on ly 56 records, 31 of which have photographs (as of 4 Dec 2021).

The cemetery has its own website, which has an interment search facility. According to the site, the first claim on the land was by James Sullivan in 1886, which the origin of the cemetery's name. The cemetery was established in Aug 1903 as a 1.7 acre parcel purchased from Sullivan by David and Georgiana Heckindorn. Some of the early burials were transfers of graves from family homes to the parcel; others came from the now defunct Frisbee Plot. In March 1980, the cemetery passed into the hands of the county government; shortly thereafter, an association was established to manage and maintain the resource.

The Washington State Digital Archives contains an index of interments in the cemetery, numbering 1,278 entries which was transcribed to digital form by hand, with the last update in Aug 2010. This appears to be the same data set that appears in the Ewanida Rails Records site. This dataset appears to also be replicated in RootsWeb.