Spanish: habitational name from a place in Palencia province called Astudillo.
GIVEN NAMES: Spanish 55%. Luis (5), Carlos (4), Jose (3), Juan (3), Manuel (3), Roberto (3), Rogelio (3), Beatriz (2), Francisco (2), Guillermo (2), Juan Carlos (2), Pablo (2).
See the Key to the Dictionary or consult the General Introduction for further explanation.