Siddiqui is a family name or surname belonging to the descendants of Abu Bakr, a companion of Muhammad. The title "Siddiq" (Arabic: Veracious) was given to the first Muslim Caliph (one of the Rashidun, or "Rightly guided" Caliphs) Abu Bakr by Muhammad. Siddiqui means The Truthful in Arabic.
Kamran (Persian: کامران‎‎) is a Persian given name commonly used in Iran, Kurdistan, Pakistan, Iraq, Azerbaijan, Afghanistan, Turkey, India, Brazil and other countries. The name Kamran means prosperous in Persian and successful in Urdu.