Her family relocated to the United States and then again to the Turks and Caicos where she finished her secondary education at Clement Howell High School.
She then took her studies to the United Kingdom, graduating with a dual Bachelor of Laws with Business Management from Keele University in 2009.
She provided legal counsel to ScotiaBank and the Bahamas Petroleum Company, sat on the board Real Property Tax Appeal Tribunal, and participated in the amnesty programme.
[5] As Minister of Transport and Housing, Coleby-Davis oversaw construction processes of subdivisions in Spring City, Abaco and Carmichael Village.
[7] As minister, she developed a comprehensive plan to tackle the energy crisis, focusing on solar power, grid modernization, and LNG implementation.