macken, macosquin, madden, maghaberry, maghera, magheraconluce, magherafelt, magheralin, magheramason, magheramorne, magheraveely, maghery, maguiresbridge, markethill, martinstown, maydown, mayobridge, mazetown, meigh, middletown, milford, millbank, mill bay, millisle, milltown (co. antrim), moira, monea, moneyglass, moneymore, moneyneany, moneyreagh, moneyslane, monteith, moortown, moss-side, mountfield, mountjoy, mounthill, mountnorris, moy, moygashel, mullaghbawn, mullaghboy, mullaghbrack, mullaghglass, mullavilly-laurelvale