Maelsechlainn Ó Cellaigh, king of Uí Maine, Chief of the Name, died 1402. Maelsechlainn was a son of the previous king, and continued the kingdoms expansion, and rise of prestige, that William Buidhe had initiated. The borders were expanded as land lost in the 13th century to the Earl of Ulster was regained at the expense of the the Burke of Clanricarde. At one stage, Ó Cellaigh's power extended to within a few miles of Loughrea, the caput of the Clanricarde.