Choiseul Province for the island are Choiseul and Lauru. San Marcos is not commonly used at this present day. Choiseul Province was initially not part of the British Solomon Islands. Like Buka, Bougainville (both now part of Papua New Guinea's North Solomons Province), Santa Isabel, and the Ontong Islands, it was part of the German Solomon Islands in 1884. Fifteen years later, in 1899, Germany ceded Choiseul, Isabel and Ontong Java to the British to become part of the British Solomon Islands. In 1900, Charles Woodford, the Resident Commissioner for the Solomon Islands sailed to Choiseul via Isabel on a ship named
Choiseul pigeon claimed that the species was very tame, allowing local hunters to approach it and pick it up off of its perch by hand. They reported that the species had stones in its gizzard. It laid a single dark, cream-coloured egg in an unlined depression on the ground. The egg was about in size, which is considered small in proportion to the bird. The Choiseul pigeon was non-migratory and is thought to have lived on the forest floor in lowland forests, including coastal swampy areas that lacked mangroves. The Choiseul pigeon is usually considered to have been endemic to the island