• Surname History:
    1. Descendant of eidhneachán'; the name of a family of ui fiachrach in co. mayo, who were formerly proprietors of a large estate in the parishes of manulla and balla; still common in that county, sometimes pronounced Ó hÉanacháin, and anglicised bird, being erroneously supposed to be derived from 'éan,' a bird, (Sloinnte Gaedheal is Gall )
    2. Descendant of Éanna' (enda); also written Ó hÉinne; the name (1) of a family of ui fiachrach who were formerly proprietors of imleachloisce, in co. mayo: (2) of an eoghanacht family in the present co. limerick; and (3) of a dalcassian family in thomond. this last-named family produced several distinguished ecclesiastics, two of whom, donald (1098) and matthew (1206), filled the see of cashel, and one, connor, that of killaloe. connor died while returning from the fourth general council of lateran. this surname is to be distinguished from Ó hÉinigh, (Sloinnte Gaedheal is Gall )
    3. A variant of Ó hÉanacháin, (Sloinnte Gaedheal is Gall )
    4. A variant, in co. mayo, of Ó hÉineacháin, which see. it is sometimes anglicised bird, on the erroneous supposition that it is derived from 'éan,' a bird. no doubt, it also stands for older Ó haonacháin, (Sloinnte Gaedheal is Gall )
    5. See Ó hÉineacháin, (Sloinnte Gaedheal is Gall )
    6. See Ó hÉanacháin, (Sloinnte Gaedheal is Gall )
    7. Son of cú-aonaigh' (hound of the fair); the name of a well-known monaghan family, who were formerly seated in the neighbourhood of clones. the surname has been corrupted in ulster to mac an Éanaigh and sometimes ridiculously 'translated' bird. also the name of a roscommon family, sometimes called mac conanaonaigh (which see), who gave its name to the townland of kilmacenanny, or kilmacananneny, in the parish of lissonuffy, where some of them were still inhabiting at the end of the 16th century. in connacht, the surname is now generally anglicised rabbit, owing to its similarity in pronunciation to the word 'coinín,' a rabbit. there was a third family of the name, apparently a branch of the macdonnells, in co. antrim, who are now probably represented by macaneny in co. tyrone, (Sloinnte Gaedheal is Gall )
    8. A corruption of mac conaonaigh, which see. the 'translated' form, bird, is, of course, incorrect, being founded on the erroneous supposition that the surname is derived from 'éan,' a bird, (Sloinnte Gaedheal is Gall )
  • Sources:
    Sloinnte Gaedheal is Gall An Sloinnteoir Gaeilge agus an tAinmneoir

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