This church located near the centre of the town dates back to the 12th Century on this site and has records going back to the 17th Century of births etc. This information is not held on site but by the Church Representative Body Library in Dublin.
Information on this and a detailed church history can be found at: http://stpetersdrogheda.ie/. Note the genealogy and history links on top of their web page. Also callers are only seen by appointment.