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Martin Birranne

Ballina-born Birrane (79) holds the Irish land-speed record, hitting 176mph on a then unopened tract of the M50 motorway back in 1990.

Birrane’s fortune was dented by the collapse of his Lola international racing business in 2013. He owns most of the shares in London-based property firm Peer group, which has net assets of €71m.

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