Brook Wellington Brasier (1 February 1879 – 30 August 1940) was an Irish politician. Hw was born 1 February 1879 in Sunday's Well, Cork, the second son of Brooke Brasier and his wife Clarine Bennett (née Massey). The family later resided at Carrigaline, County Cork. In August 1898 he married Lady Charlotte Moore, youngest daughter of Charles William Moore, 5th Earl Mount Cashell. Lady Charlotte was his elder by twenty-six years; they had no children. It was not till after his wife's death in August 1913, that he became involved in public life.