Senan means "little old person", derived from Old Irish sen "old" combined with a diminutive suffix. Saint Senán was a 6th-century monk from Munster, Ireland.
Saintly namesake: Saint Senan was a 6th-century Irish abbot and founder of monasteries, especially on Scattery Island. He is one of Ireland's early saints. (March 8 · 6th century)
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Names related to Senan through nicknames, language, or historical forms.