Diane L. Browne is an American author and singer. As an author she writes under the pen names Colin Dunne, Louise Harris, Diana Killian, and Josh Lanyon. As a singer she performs with the Celtic music group The Browne Sisters & George Cavanaugh.
Browne was born in Los Angeles, California. She graduated from Pepperdine University with degrees in English and Humanities.
Browne is married to author Kevin Burton Smith.
Browne writes mysteries and Cold War thrillers under the pen name Colin Dunne.
Browne writes cozy mysteries under the pen name Diana Killian.
Browne writes gay mystery and M/M romance novels under the pen name Josh Lanyon. As Lanyon she has won an EPIC (Electronic Publishing Industry Coalition) Ebook Award and she has been a finalist four times for the Lambda Literary Awards (in 2007 and 2015 for Gay Mystery, in 2009 for Gay Romance, and in 2010 for Nonfiction).
Browne sings with her sisters Pamela Browne Logan and Laura Browne-Sorenson and their cousin George Cavanaugh in a Celtic music group called The Browne Sisters & George Cavanaugh which has been performing for over 20 years