Barons of Howth First holder Christopher St.Lawrence, 1st baron de Howth Records #3 Holders Family filter On/Off 1 Christopher St.Lawrence, 1st baron de Howth 4 Christopher St.Lawrence, 4th baron de Howth * 1485 7 Christopher St.Lawrence, 7th baron de Howth * > 1509 Corrections and Updates To suggest a correction or an update. Click Here