Caithlin Dar

Caithlin Dar was a human/Romulan hybrid who lived in the 23rd century. A female representative of the Romulan Star Empire; she was the last to be stationed on Nimbus III.

Tri-lingual; having mastered Federation English, Klingonese and her own native Rihansu. Her father was from Ireland on Earth, but was raised by her mother on Romulus. To which St. John Talbot, being from England, took note of.

In 2287, she, Talbot and Korrd were taken hostage after Paradise City was sieged by Sybok's freedom fighters. After being persuaded to abandon her past and resentment of her background, she helped him and his forces overpower the Starfleet Marines sent to rescue her. Later, Dar, along with the other two diplomats, aboard USS Enterprise went on a pilgrimage to Vorta Vor.

Miscellaneous
Upon meeting Talbot after introducing herself, he said he had never met a Romulan with an Irish first name. Dar replied nor had she met a living saint.

(TOS novelization "Star Trek V: The Final Frontier")