The popular Britain and Ireland Marilyn classification (any height, and prominence above 150 m), is a more severe prominence threshold than the Irish Mountainviews classification (height over 500 m, and prominence over 100 m). s of October 2018[ [update]], the 2,011 Marilyns in Britain and Ireland, which include 454 Irish Marilyns (e.g. the amount is larger because Marilyns will take any height, as long as the peak meets the prominence threshold), are ranked by prominence, and by height, here (note that this list is commonly used to rank by prominence, as it includes any peak with prominence above 150 m):