Saint Derchairthinn or Tarcairteann (fl 6th century) is venerated as a prioress and saint of the monastery of Oughter Ard in Ardclough, County Kildare. Her feast day is 8 March.The Martyrology of Óengus mac Óengobann the CuldeeEoghan Corry and Jim Tancred; Annals of Ardclough (2004).
She was reputed to be "of the race of Colla Uais, Monarch of Érinn".The martyrology of Donegal; a calendar of the saints of Ireland (Mícheál Ó Cléirigh, 1575-1643; 1861 edition editors John O'Donovan 1809-1861; James Henthorn Todd 1805-1869; William Reeves 1815-1892;1864) p71
References
External links Kildare heritage