Proper noun
A female given name from Ancient Greek
(Greek mythology) A daughter and half-sister of Oedipus, daughter and granddaughter of Jocasta, and sister of Antigone, Eteocles and Polynices.
(Greek mythology) A daughter of the river-god Asopus by the nymph Metope.
(astronomy) The main belt asteroid 190 Ismene.
Source: en.wiktionary.org