From the hawk-like one or of the fairy folk
Deshea is a modern American elaboration of the Irish surname Shea. It likely combines the popular 'De-' prefix with the traditional Gaelic name, which historically refers to someone who is hawk-like or associated with the Sidhe (fairy folk).
Less common today
Deshea isn't in the latest US Top 1000. It last peaked at #6,466 in 1992.
US births per 5-year period, 1990βpresent (SSA data).
Two-time Super Bowl champion cornerback