Macha ruled together with Cimbáeth for seven years, until he died of plague at Emain Macha, and then a further fourteen years on her own, until she was killed by Rechtaid Rígderg.
Macha regerade tillsammans med Cimbáeth i sju år innan han dog av pest vid Emain Macha, och ytterligare fjorton år som ensam regent, innan hon dödades av Rechtaid Rígderg.