Reasoning:
In Disney's Year Book 1996, the short
story "The Surprise Party" establishes Elisa's birthday as being on New
Year's Eve.
In "Meet the Gargoyles," Elisa's age
in 1994 is listed as 25.
Which means she would turn 26 on New
Year's Eve of that year.
Which means she was born on December
31, 1968.
Which means that everyone's favorite
detective will reach the big 3-0 on December 31st, 1998!
Happy Birthday, Elisa Maza!