Ona merkilegu heiti: Hæfur, Örlátur, Kát, Rokgjarnt, Virk. Fá Ona merking nafns.
Ona Uppruni fornafns. Short form of Mariona. It also coincides with a Catalan word meaning "wave". Fá Ona Uppruni fornafns.
Samheiti fyrir Ona í mismunandi löndum og tungumálum: Jet, Mária, Maaike, Máire, Maaria, Maarika, Maarja, Márjá, Madlenka, Mae, Mæja, Maia, Maija, Maike, Maiken, Mair, Mairenn, Màiri, Máirín, Mairwen, Maja, Majken, Maleah, Malia, Malle, Mamie, Manon, Mara, Mare, Maree, Mareike, Mari, Maria, Mariah, Mariam, Mariami, Mariamne, Marianne, Mariazinha, Marica, Marie, Mariëlle, Mariëtte, Marieke, Mariel, Mariele, Mariella, Marielle, Marietta, Mariette, María, Marija, Marijeta, Marijke, Marijse, Marika, Marike, Marilyn, Marinda, Marion, Marise, Mariska, Marita, Maritta, Maritza, Mariya, Marja, Marjaana, Marjatta, Marjo, Marjukka, Marjut, Mary, Marya, Maryam, Maryana, Maryia, Maura, Maureen, May, Meike, Mele, Mere, Meri, Meryem, Mia, Mieke, Miep, Mies, Miia, Mimi, Miren, Miriam, Mirjam, Mirjami, Mitzi, Moira, Moirrey, Molle, Moyra, My, Myriam, Ria, Voirrey. Fá Ona á öðrum tungumálum.
Algengustu eftirnöfnin með nafni Ona: Emma, Alegria, Turkl, Hoock, Clerico. Fá Listi yfir eftirnöfn með nafni Ona.
Algengustu nöfnin með eftirnafninu Gift: Willard, Louisa, Calandra, Mary, Bronwyn. Fá Nöfn sem fara með Gift.