|Regions with significant populations|
The ancestors of the present Thiyya community who lived in the western coast of India including Karnataka, Maharashtra and Gujarat came from Tian Shan high ranges of Kyrgyz region in Central Asia. A large group of people were fled to East due to a massive earthquake in the above region and settled in the Western coast of India around a millennium ago 
Social structure & Rituals
Thiyyas were hard working and industrious people and carried out different occupations like Agricultural farming, Kalaripayattu Teachers, Ayurveda Medical Doctor, Toddy Tapping, Astrologers, Business etc. They traded with Arabs and Europeans through 22 small and big ports along Malabar coast. There were many warriors in Thiyya community. Unniarcha, Aromal Chekavar were from Puthooram Veedu, a Thiyya Tharavadu (Ancestor Home) in Vadakkan paattukal Thiyyas followed a social system of individual family Tharavadu (Ancestor Home). Tharavadu head ‘Karanavar’ was respected and his decision was the final word in all the family matters. The local chieftains or headman wore a gold knife on their waistband. 'Mannanars' (a common malayalam term for king) were a Thiyya dynasty who ruled with their capital in Eruvessy near Taliparamba. Thiyyas of north Malabar formed a military class in former times and there was a Thiyya regiment of Tellicherry which was formed by Thiyyar Thiyyas are often cited together with Ezhava, a similar caste from South Kerala, although different studies claim that there is no hereditary or historical link between the two communities
Thiyyas had their own concepts of gods, rites and rituals. They worshiped different ways of consciousness. Bhagavathi, Gulikan, Muthappan, Vayanaattu kulavan, Kathivanoor veeran, Kandanaar kelan, Vishnumoorthi, etc in places called 'Kavu' and performed offerings and rituals like Velichapadu, Thira, Theyyam, Payankutty, Vellattam and Thiruvappana was also offered by Thiyyar and other castes of North Malabar but was only offered for Muthappan. They were the custodians of ancestor worship, they worshiped their elders in family, most of the Theyyams are in memory of their guru Karanavers (Elders), and proudly remembering their heroic acts through Theyyam.
During the fourth and fifth century, they were under the influence of Buddhism and Jainism, Thiyyas reformed the Puja, Offerings and Kuruthi (Sacrifice) in Ahimsa way. But they did not ceremoniously converted to Buddhism or Jainism and remained as Thiyyar.
Thiyyar followed 'Eight Illam' (the eight illams are Nellika, Pullani, Vangeri, Kozhikalan, Patayanguti, Managuti, Thenanguti, Velakanguti) system. Means, each and every Thiyyar belongs to one among these eight illam. Members of an Illam are considered as relatives and were not allowed to marry each other, marriage was only allowed between members of different illams. Thiyyar followed a unique ritual where the bridegroom with his friends and relatives arrive at the bride’s house and accept Kanyadaan- Marriage without dowry. Thiyyar followed matriarchal system. The matriarchy system was changed subsequently to patriarchy by Hindu Succession Act 1956 
- Hindu, The (3 September 2004). "Thiyyas migrated from Kyrgyzstan, says study". The Hindu. Retrieved 27 January 2013.
- Shyamalan, Dr Nelliatte C (January 25, 2012). "An idea that changed Shyamalan’s life". Times of India. Retrieved 8 February 2013.
- Korjenkov, A.M.; Abdieva, S.V.; Dzhumabaeva, A.B.; Fortuna, A.B.; Mamyrov, E.; Morozova, E.A.; Orlova, L.A.; Vakhrameeva, P.S. (NaN undefined NaN). "Strong historical earthquakes in the northwestern Issyk Kul' basin (northern Tien Shan)". Russian Geology and Geophysics 52 (9): 1007–1015. doi:10.1016/j.rgg.2011.08.006. Retrieved 9 February 2013.
- William Logan (1887). Malabar Manual. Asian Educational Services. ISBN 978-81-206-0446-9. Retrieved 12 February 2013.
- The Mysore Tribes and Castles. Mittal Publications. pp. 279–. GGKEY:YAAY5ZJ9BW3. Retrieved 12 February 2013.
- T, Damu (2004). Lankaparvam. DC Books. p. 48. ISBN 9788124014035.
- M. Derrett, J. Duncan (1994). Essays in Classical and Modern Hindu Law. United Kingdom: Brill Academic Pub. p. 386. ISBN 9004057536.
- Ramunny, Murkot (1993). Ezhimala : the abode of the Naval Academy. New Delhi: Northern Bk. Centre. ISBN 81-7211-052-9.