By 1977, he was paying close to a million pounds a year in income tax; to mitigate his tax burden, he established the Henry Moore Foundation as a registered charity with Irina and Mary as trustees.
En 1977 pagaba cerca dun millón de libras por ano en impostos e, para atenuar esta carga tributaria, creou a Fundación Henry Moore como unha entidade de caridade rexistrada, con Irina e Mary como mandatarios.