People are always amazed when they learn that most Maratha names popular in history are actually diminutives, i.e. nicknames. That clears the reason why some of them sound so peculiar. Here's a list of full versions of most popular Maratha names: Parsoji = Parshuramadevaraya
Bhosaji = Vrushadeva Yesaji = Yashadevaraya Rupaji = Ruparaya Somoji = Somadevaraya Firoji = Peroz (Persian) Shahuji = Savaji / Sadhuji Indroji = Indradevaraya Maratha Names are mostly Sanskrit, & some Arabic & Persian words which capture spirit of Kshatriyahood
Most of the names are synonyms of Hindu Gods-Goddesses, or asserted possession of their traits. Names such as Tānāji and Dāmaji both are themed around domination. Others are about qualities like victory or mastery.
In the Sanskrit letter to Raja Ramsinh Kachwaha of Amber, Chattrapati Shambuji Maharaj gives full names of His illustrious Father & Himself: Shivaji = Shivarajavarman & Sambhaji = Shambhuji/ Shambhurajavarman
Vishnu Purana instruction on Aryan naming styles. Marathas used Varman, Simha, Deva, Raja/Raya/Rao & Devaraya suffixes in traditional Kshatriya manner though Varman is enough. Sharman for Brahmanas
Varman for Kshatriyas
Gupta for Vaishyas
Dāsa can be used if desired by Shudras.