阿莫 is a generic phonetic transliteration for foreign given names beginning with 'Amo-' or 'Amos' (Spanish, Portuguese, biblical English).
阿 (ā) is a common opening syllable for foreign names that start with a vowel;
莫 (mò) supplies the 'mo' sound. In subtitle corpora it most often shows up as a character name in dubbed films.
