The schooner Meyric was the largest sailing vessel to leave William Thomas's yard. She was launched on 4/1/1904. She sailed to Rio Grande South America on her maiden voyage with Robert Griffiths of Ael Eilian, Amlwch as her master. In 1909 Captain William William was in charge of the Meyric.
During the first world war she was used a  decoy "Q" ship.