Mary P. Ryan
Mary P. Ryan is an American historian, and John Martin Vincent Professor of History at the Johns Hopkins University in Baltimore, Maryland.
She is also Margaret Byrne Professor Emeritus of History, University of California, Berkeley.
Kaoanaeha
Kaʻōanaʻeha Mele or Mary Kuamoʻo Kaʻōanaʻeha( c.1780–1850) was a Hawaiian high chiefess during the formation of the Kingdom of Hawaii.
Vicky Randall
Vicky Randall or Mary Victoria Madge( b. 1945 – d. 2019), was a professor of political science and feminist scholar.
Daniel Leavitt
Daniel Leavitt (November 16, 1813 – July 27, 1859) was an early American inventor who, with his partner Edwin Wesson, patented the first revolver after Samuel Colt's, and subsequently manufactured one of the first American revolving pistols.
The innovative design was manufactured only briefly before a patent suit by Colt forced the company to stop producing the Leavitt & Wesson Dragoon revolver.
But Leavitt's early patents, and those of his partner Wesson, stoked competition and helped drive the technological and manufacturing boom that produced the modern firearms industry.
Mary A. Ryan
Mary A. Ryan( 1940–2006) was a retired United States career diplomat who served as United States Ambassador to Swaziland from 1988 to 1990 and as Assistant Secretary of State for Consular Affairs from 1993 to 2002.
Mary Ryan (engineer)
Mary P. Ryan is a Professor of Materials Science at Imperial College London and a Fellow of the Royal Academy of Engineering.
Marianne Trotter
Marianne or Mary Anne Trotter( 1752? – 1777) was an Irish artist and engraver.
Mary Lloyd (abolitionist)
Mary Lloyd or Mary Hornchurch( 12 March 1795 – 25 January 1865) was a British joint secretary of the first Ladies Anti-Slavery Society.
Fran Ryan
Fran Mary Ryan (November 29, 1916 – January 15, 2000) was an American character actress featured in television and films.
She was born in Los Angeles, California.
Mary Ryan (academic)
Mary Ryan( 14 December 1873 – 16 June 1961) was the first woman in Ireland or Great Britain to be a professor at a university.
She was the Professor of Romance Languages at University College Cork in 1910.

Question: Who died first, Daniel Leavitt or Mary Ryan (Academic)?
Answer: Daniel Leavitt