Carrickfergus Borough Council was a district council in County Antrim in Northern Ireland. It merged with Ballymena Borough Council and Larne Borough Council in May 2015 under local government reorganisation in Northern Ireland to become Mid and East Antrim Borough Council. The council was based at Carrickfergus Town Hall and the council administered the town, on the north shore of Belfast Lough, and surrounding area, which extended from Greenisland in the south-west to Whitehead in the east. The borough was , with a population of just over 39,000. Together with the neighbouring district of Larne and small parts of Newtownabbey and Moyle, it formed the East Antrim constituency for elections to the Westminster Parliament and Northern Ireland Assembly. Mayors of Carrickfergus List of mayors and sheriffs of Carrickfergus Corporation from 1523 to the passing of The Municipal Corporations (Ireland) Act 1840 Henry VIII 1523 William Fythe Thomas Unchile, Henry Fythe} These are called Bayliffs Elizabeth I 1568–1569 Thomas Stephenson John Teade, Nicholas Wilis 1569–1570 John Teade Nicholas Rogers, John Flude 1570–1571 Rychard Sendall Wolston Elderton, Cornell O'Kane 1571–1572 Edward Brown William Dobbin, Patrick Savadge, Junior 1572–1573 Captain William Piers Wolston Elderton, John Dyer 1573–1574 Thomas Stephenson Gregory Grafton, William Field, Senior 1574–1575 William Piers, Junior Humphrey Potts, John Cockrill 1575–1576 William Piers, Junior John Cockrill, John Dishford 1576–1577 William Dobbin John Dyer, John Dishford 1577–1578 William Piers, Junior Robert Magye, Robert Warcope 1578–1579 Nicholas Wills Humphrey Johnston, Mychaell Savadge 1579–1580 Captain Thomas Sackforde Barnabic Ward, Thomas Stephenson 1580–1581 William Dobbin Humphrey Johnston, John Dyer 1581–1582 Captain Thomas Sackforde and Nicholas Wills John Savadge, Phellimy Magye 1582–1583 Captain William Piers John Dishford, James Dobbin 1583–1584 William Dobbin John Dyer, Rychard Thomas 1584–1585 Captain Nicholas Dawtrey Mathew Jones, John Scully 1585–1586 William Dobbin John Dishford, Mychael Savadge 1586–1587 Thomas Stephenson Humphrey Johnston, John Scully 1587–1588 John Savadge John Dyer, James Dobbin 1588–1589 William Dobbin Thomas Vaughan, John Lugg 1589–1590 Charles Eggerton James Dobbin, Roger Cooper 1590–1591 Matthew Jones William Savadge, Henrie Ockforde} John Dyer, dep 1591–1592 Humphrey Johnston Moyses Hill, Roger Cooper 1592–1593 John Dallwaye Alexander Haynes, James Dobbin 1593–1594 Nicholas Wills and M. Savadge John Hooper, James Rice 1594–1595 John Savadge Robert Wills died, John Dyer, Richard Thomas 1595–1596 Thomas Stephenson Roger Cooper, Rychard Conlon 1596–1597 Charles Eggerton Thomas Vaughan, Thomas Wytter 1597–1598 Humphrey Johnston Rychard Thomas died, Henry Ockford, Thomas Gravott 1598–1599 John Savadge Rychard Newton, Owen Magye 1599–1600 Humphrey