The name's spellings include Lister (English & Scottish), Lyster (Irish), Lester, Lestor (English), McInlester, McLeister, Laister, Litster (Scottish), Lidster (Scottish), and the rare Ledgister and Ledster (Scottish).
Whereas both 'Lister' and 'Lyster' rhyme with 'mister', in some areas of western Canada 'Lyster' is rendered as if spelt 'Lester'.