Christian name - Calyhony, , 'female devotee or servant of the church'. Calaughtoone is another form of the same name found in the church registers, with voiceless dental (t) instead of spirant and loss of unstressed final syllable,
see www.manxnotebook.com/fulltext/pn1937/p001.htm#18 (the Irish script used for the Irish equivalents didn't scan well - needs correction)