Delaney was born on February 3, 1995. She is living in Washington, DC. Currently, Delaney is dating Taylor Popielarz and they have been dating for around 6-7 years as of October 10, 2020.
Delaney's Broadway debut was in Mary Poppins as Jane Banks for certain performances from October 2006 to sometime around late 2007. Moro then went on to portray Kendra in the musical 13 from October 2008 to January 2009. She's performed for Feinstein's/54 Below for their "Back to Before: Former Broadway Kids Return to the Stage" event and "Now & Then: Current AND Former Broadway Kids Take The Stage!" event.