Vicelich got a hatty as well in the Dutch league.
November 2003.
Might edge McCowatt's hatty into 5th spot behind Wood (x2) & Wynton for prestige. Though Killen's being an FA Cup tie also has strong merit.
https://www.nzherald.co.nz/sport/football/soccer-vicelich-scores-a-hat-trick/3REB52FPQTALNNKUNIGYEVTLHQ/#:~:text=3%20Nov%2C%202003%2002:28,Copy%20Link
All Whites midfielder Ivan Vicelich scored a rare hat-trick in helping his Dutch club side Roda JC to a 5-1 home win over Ado Den Haag.