He was born in Ardglass, County Down, the son of Andrew Creery and Alice Tate, and was educated at Foyle College in Derry and Trinity College in Dublin. Creery came to Canada in 1888, first settling in Calgary, Alberta. He married Anna Hulbert the following year. In 1890, he moved to Vancouver. Creery was a Grand Master in the Freemasons.
His son Second Lieutenant Ronald Hulbert Creery was killed in France in 1917 during World War I.