Connor O'Brien, 3rd Earl of Thomond Irish earl (1535–1581) Parents Lady Ellen Butler Donough O'Brien, 2nd Earl of Thomond Children Teige O'Brien Mary O'Brien Margaret O'Brien Lady Honor O'Brien Daniel O'Brien, 1st Viscount Clare Honora O'Brien Donogh O'Brien, 4th Earl of Thomond Siblings Mary O'Brien Turlough O'Brien Teig O'Brien Lady Margaret O'Brien Honora O'Brien Móre O'Brien Partners Una O'Brien Eveleen MacCarthy