Sade
Sean
Sinead
Irish names are probably your best bet - sinead, seamus, Siobhan, Seana (Shauna). Probably more. Also Sian which I believe is Welsh Yes Welsh - typically uses an accent - Siân ☺️
Turkish names starting with ‘Ş’ have a ‘sh’ sound.
Şefika
Şeker
Şira
Şura
Şeniz
Şirin
Şayan
From my language (Hungarian):
Male: Solt, Soma, Sándor
Female: Sarolta
