The Mono Alphabet

Mono is an Austronesian language ^[1] spoken on Mono Island (also called Treasury Island) and Alu Island (Shortland Island) in the Western Province of the Solomon Islands. The Mono-Alu island group is located in the far northwestern corner of the Solomon Islands, adjacent to the Bougainville region of Papua New Guinea, separated from it only by the narrow Bougainville Strait. With approximately 1,200 speakers, Mono is a small language even by Solomon Islands standards.

The Solomon Islands has one of the highest rates of linguistic diversity in the world — over 70 distinct languages for a population of under 700,000 people. Mono is one of the smaller languages in this remarkably diverse context. The islands where Mono is spoken are mountainous and were strategically significant during the Second World War — Mono Island (Treasury Island) was the site of the Battle of Treasury Islands in October 1943, and the region saw significant Allied and Japanese military activity.

Mono uses the Latin alphabet ^[1] with 16 letters: 5 vowels (A, E, I, O, U) and 11 consonants (B, G, H, K, L, M, N, P, R, S, T). The Latin orthography was introduced through missionary contact, primarily through the work of the Melanesian Mission (Anglican) and later other Christian denominations working in the Western Solomons. Literacy materials, Bible portions, and educational resources have been produced in Mono using this Latin-based orthography.

Like other small languages of the Solomon Islands, Mono faces the challenge of having limited written resources compared to major world languages. Solomon Islands Pijin (a creole language derived from English) serves as the primary lingua franca across the Solomon Islands, and English is used in formal education, government, and media. Most Mono speakers are multilingual, using Mono for home and community contexts, Pijin for inter-island communication, and English in formal settings.

Mono belongs to the Oceanic branch of Malayo-Polynesian Austronesian ^[2], specifically to the Northwest Solomonic subgroup of Oceanic. The Northwest Solomonic languages — spoken in the Western Province and Choiseul Province of the Solomon Islands, and in parts of Papua New Guinea — form a geographic and genetic cluster within Oceanic that includes Mono, Alu, Vaghua, Vangunu, and several other small languages of the island chains between Bougainville and the main Solomon Islands.

The Oceanic subgroup of Austronesian encompasses all the Austronesian languages of Melanesia (including the Solomon Islands, Vanuatu, and Fiji), Polynesia (Hawaiian, Samoan, Tongan, Maori, Tahitian, etc.), and Micronesia. The ancestral Oceanic language is believed to have been spoken in the Bismarck Archipelago (Papua New Guinea) approximately 3,500 years ago, from which Oceanic-speaking peoples spread south into Melanesia and east into Polynesia and Micronesia. Mono is thus part of this great Pacific linguistic heritage.

The Solomon Islands has one of the most linguistically diverse ^[1] populations in the world relative to its size. With over 70 distinct languages and a population of under 700,000, the Solomon Islands ranks among the top countries globally for linguistic diversity per capita. Languages in the Solomon Islands belong primarily to two families: Austronesian (like Mono) and Papuan (non-Austronesian), which arrived at different times in the islands' history. The Papuan languages of the Solomon Islands represent some of the most isolated language families in the world.

Solomon Islands Pijin serves as the vital lingua franca that allows communication across this extraordinary linguistic diversity. Pijin is a creole language derived primarily from English with significant influences from Melanesian Austronesian languages. It is the first language of urban children and the second language of most Solomon Islanders. English is the official language of government and formal education. This multilingual ecology — local language, Pijin, and English — is characteristic of life across the Solomon Islands, including in Mono-speaking communities on Mono and Alu islands.

Mono is classified as an endangered language ^[2] with approximately 1,200 speakers. The small speaker population and the dominance of Solomon Islands Pijin as a community language place Mono at risk of gradual language shift over coming generations. Young people on Mono and Alu islands are exposed to Pijin from an early age and use it in inter-community communication, which can reduce the domains in which Mono is actively used.

Efforts to document and support Mono include work by SIL International and local church communities who have produced Bible translations and literacy materials in the language. The Solomon Islands National Museum and various linguists have contributed to documenting the languages of the Western Solomons. However, without broader community-level support for intergenerational language transmission, small languages like Mono face significant challenges to long-term survival. The language remains an important part of the cultural identity of the Mono-Alu island communities.