James Campbell, 1st Baron Glenavy

James Henry Mussen Campbell, 1st Baron Glenavy ( born April 4, 1851 in Dublin, † March 22, 1931 ) was an Irish lawyer and politician. He belonged to the British House of Commons and later the Oireachtas of the Irish Free State. In the latter he was the first Cathaoirleach of Seanad Éireann.