And my surname is Siddiqui and according to Wikipedia it is
Siddiqui is a family name or surname. Siddiqui means The Truthful in Arabic. Siddiquis are spread all over the world mainly the Middle east, Asia Pacific and Europe. Siddiquis are the descendants of the first Muslim Caliph Abu Bakr as-Siddiq of the Rashidun Caliphate (The four Rightly guided Calips).