numerous: E Ulster, Dublin. From the Norse personal name Amundr, this name pre-dates the Norman Invasion, but was also borne by later English settlers. It may stand for MacÁmainn (MacCammon) which was associated with Down. SI & SGG.
Hammond: líonmhar: oirthear Uladh & Áth Cliath. Bhí an sloinne i bhfeidhm i measc Lochlannach Áth Cliath agus a ngaolta, na Normannaigh, go raibh an t-ainm Hamo acu, ceann Teotanach a bhaineann le haim = baile. Féach Mac Ámoinn.