The Society: Genealogy: Surnames: (O Surnames )

Sites in which the primary focus is the etymology of a surname and its variants, a one-name study or organization, relevant genealogy, or an associated family history. O Surnames Genealogy Society.

O ( named o / ˈ oʊ / , plural oes ) is the 15th letter and the second-to-last vowel in the modern English alphabet and the ISO basic Latin alphabet . (wikipedia)