Pronunciation: [mˈɑːmɪˌɒn] (IPA)
Correct spelling for the English word "Marmionn" is [mˈɑːmɪˌɒn], [mˈɑːmɪˌɒn], [m_ˈɑː_m_ɪ__ˌɒ_n] (IPA phonetic alphabet).