How do you say I am a Malone in Irish Gaelic?

There isn't a direct translation of "I am a Malone" in Irish Gaelic that would accurately reflect the surname's meaning or origin. Irish surnames are often translated based on their meaning (if known) and location of origin. "Malone" is an Anglicized version of a Gaelic name, and several possibilities exist depending on its true Gaelic root. Without knowing the specific origin of the Malone family line, a precise translation is impossible.

To illustrate: If the Malone family's name derived from a place name, the translation would incorporate that place. If it's from a personal name, the translation would use that personal name with the appropriate verb conjugation.

You would need genealogical research to determine the original Gaelic form of the surname Malone to offer a proper translation. Then you could say something like "Is mise Ó [Gaelic form of Malone]" which translates to "I am a [Gaelic form of Malone]". The "Ó" (or "O'") indicates descent from a particular ancestor. Alternatively, you might use "Mac [Gaelic form of Malone]" (meaning "son of") if that is appropriate for the lineage.