• Current frequencies: GB 28843, Ireland 827
• GB frequency 1881: 21354
• Main GB location 1881: widespread in England: esp. Somerset and Gloucs; Staffs; Kent
• Main Irish location 1847–64: Dublin, Wexford, and Wicklow; Galway; Cork
1 English: variant of Hawkin with genitival or post-medieval excrescent -s .
Thomas Hawkyns, 1377 in Poll Tax (Newton and Wharton, Herefs); Willelmo Hawkynes, 1379 in Poll Tax (Blakeney, Gloucs); Willelmus Hawkyns, 1379 in Poll Tax (Monks Kirby, Warwicks); Johanne Hawkyns, 1379 in Poll Tax (Latton, Wilts); Editha Hawkyns, 1381 in Poll Tax (Sutton Waldron, Dorset); Thomas Hawkyns, 1381 in Poll Tax (Wyle Cop, Shrops); Johannes Haykyns, 1381 in Poll Tax (Bath, Somerset); William Hawekyns, 1454 in Feet of Fines (Wenlock, Shrops); Grace Hawkins, 1539 in IGI (Saint Mary le Bow, London); Robarte Hawkins, 1539 in IGI (Houghton Regis, Beds); Thoms Hawkins, 1539 in IGI (Bampton, Oxon); John Hawkins, 1560 in IGI (Newland, Gloucs); Susanne Hawkins, 1564 in IGI (Oare, Kent); Johanis Hawkins, 1575 in IGI (Stone, Staffs); Tamsen Hawkins, 1585 in IGI (Nettlecombe, Somerset); Thomas Hawkins, 1596 in IGI (Little Plumstead, Norfolk); Jespar Hawkins, 1604 in IGI (Cold Overton, Leics); Stephen Hawkins, 1608 in IGI (Fewston, WR Yorks); Thomas Hawkins, 1619 in IGI (Warrington, Lancs).
2 English: variant of Hawking (a locative name from Hawkinge in Kent) with excrescent -s , assimilated to the patronymic surname in Devon.
Sir John Hawkyns (1532–95), victor against the Spanish Armada (1588), was a member of the Devon family of Hawkins, a branch of a Kentish family from the village of Hawkinge. They held land in Plymouth as long ago as 1480.
3 Irish: adopted for Ó hEacháin, see Haughan.