Colonel William Gregory Wood-Martin (16 July 1847 – 16 November 1917) was an author and antiquarian, best known for his work as an archaeologist in Ireland.

William Gregory Wood-Martin was born in County Sligo in Ireland on 16 July 1847 in the midst of the Great Famine.

His parents, James Wood and Anne Martin, were also both natives of County Sligo and, as their only child, he was the heir to both the Woodville and Cleveragh estates.

[1] Upon the completion of his education, in 1866 he joined the British Army and studied at the Royal Military College, Sandhurst, after which he was commissioned into the 24th Regiment of Foot.

In 1877 Wood-Martin returned to Cleveragh House, his mothers' family home in east Sligo town, to care for his ailing father.