Kumār OR Kunwar
is a title, a given name or a family name native to India.

In many Indian languages

Languages of India

The languages of India belong to several language families, the major ones being the Indo-European languages—Indo-Aryan and the Dravidian languages...

, Kumar literally means prince or a young/unmarried male.

Kumari

The feminine version of the term is Kumari, which means a young/unmarried female, daughter or princess.

Usage

Rajputana

Among the Rajputs, Kumar (male) or Kumari (female) is often used as a middle name. Variants include: Kunwar, Kumara, Kumaru and Kumaran. Kumar means Prince, and Kumari means Princess; it is also used in heir apparent titles and enters into Rajput and Princely State

Princely state

A Princely State was a nominally sovereign entitity of British rule in India that was not directly governed by the British, but rather by an Indian ruler under a form of indirect rule such as suzerainty or paramountcy.-British relationship with the Princely States:India under the British Raj ...

 titles. Kumar is also the name of a clan (all titled) Chetris who claim descent from the Suryavanshis, the Ranas

Rana (title)

Rana is a Princely title of Royalty in Sanskrit. Rana is used by the Jats and Rajput of South Asia. The name is usually interpreted to mean "Prince".Compound titles Rana Sahib, Rana Bahadur, and Maharana.-Royal title in India:...

 of Mewar

Mewar

Mewar is a region of south-central Rajasthan state in western India. It includes the present-day districts of Pratapgarh, Bhilwara, Chittorgarh, Rajsamand, Udaipur, Dungarpur, Banswara and some of the part of Gujarat and Madhya Pradesh. The region was for centuries a Rajput kingdom that later...

, and the ancestral predecessors of the Maharana

Maharana

Maharana is a variation on the Indian royal title Maharaja, also meaning 'Great king' in Hindi. It is composed of Maha- 'great' and the royal title Rana, a variation on Raja.-Salute states :...

s of Udaipur

Udaipur

Udaipur , also known as the City of Lakes, is a city, a Municipal Council and the administrative headquarters of the Udaipur district in the state of Rajasthan in western India. It is located southwest of the state capital, Jaipur, west of Kota, and northeast from Ahmedabad...

 in Rajasthan

Rajasthan

Rājasthān the land of Rajasthanis, , is the largest state of the Republic of India by area. It is located in the northwest of India. It encompasses most of the area of the large, inhospitable Great Indian Desert , which has an edge paralleling the Sutlej-Indus river valley along its border with...

.

North Malabar

In North Malabar

North Malabar

North Malabar , is a historic as well as geographic distinction in India used to refer the area covering; present Kasaragod and Kannur Districts, Mananthavady taluk of Wayanad District and Koyilandy & Vatakara taluks of Kozhikode District in modern Kerala and the entire Mahé sub-Division of...

, Kumar or Kutty means boy, while Kumari or Kunji means girl.

UP and Bihar

In Bihar

Bihar

Bihar is a state in eastern India. It is the 12th largest state in terms of geographical size at and 3rd largest by population. Almost 58% of Biharis are below the age of 25, which is the highest proportion in India....

, Uttar Pradesh

Uttar Pradesh

Uttar Pradesh abbreviation U.P. , is a state located in the northern part of India. With a population of over 200 million people, it is India's most populous state, as well as the world's most populous sub-national entity...

 and other parts of North India

North India

North India, known natively as Uttar Bhārat or Shumālī Hindustān , is a loosely defined region in the northern part of India. The exact meaning of the term varies by usage...

, the name is commonly used as a middle name given to male children. Often one will use it as a suffix to refer to any child, sometimes as a term of affection. For example, a child named Jagdish Tiwari maybe called Jagdish Kumar by relatives or friends, even though Kumar may or may not be in his name.

West Bengal
In Bengali

Bengali language

Bengali or Bangla is an eastern Indo-Aryan language. It is native to the region of eastern South Asia known as Bengal, which comprises present day Bangladesh, the Indian state of West Bengal, and parts of the Indian states of Tripura and Assam. It is written with the Bengali script...

 "kumar" refers to young unmarried/ single male. It has a sanskrit

Sanskrit

Sanskrit , is a historical Indo-Aryan language and the primary liturgical language of Hinduism, Jainism and Buddhism.Buddhism: besides Pali, see Buddhist Hybrid Sanskrit Today, it is listed as one of the 22 scheduled languages of India and is an official language of the state of Uttarakhand...

 origin: "kuma'r".

Other places
Kumar is a very common name in India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

, mostly used as a prefix in South India and suffix in North India (Punjab

Punjab (India)

Punjab ) is a state in the northwest of the Republic of India, forming part of the larger Punjab region. The state is bordered by the Indian states of Himachal Pradesh to the east, Haryana to the south and southeast and Rajasthan to the southwest as well as the Pakistani province of Punjab to the...

 side). It is also used as a common prefix like Mr.

Mr.

Mister, usually written in its abbreviated form Mr or Mr. , is a commonly used English honorific for men under the rank of knighthood. The title derived from master, as the equivalent female titles, Mrs., Miss, and Ms, all derived from the archaic mistress...

, Mrs.

Mrs.

Mrs or Mrs. is a honorific used for women, usually for those who are married and who do not instead use another title, such as Dr, Lady, or Dame. In most Commonwealth countries, a full stop is not used with the title...

 & master

Master (form of address)

Master is an archaic masculine title or form of address in English.- In English and Welsh society :Master was used in England for men of some rank, especially "free masters" of a trade guild and by any manual worker or servant employee to his employer , but also generally by those lower in status...

.

Brahma Kumaris World Spiritual University

Brahma Kumaris World Spiritual University

Brahma Kumaris World Spiritual University or Prajapita Brahma Kumaris Ishwariya Vishwa Vidyalaya is a monastic, renunciate Millenarian new religious movement of Indian origin...

Name used for original child follower of Supreme Father Shiva Baba; kumar for male and kumari for female. Divine family live pure life so hence like brother and sister of Father Brahma.

Former princely states

Cooch Behar

The sons of the ruling Maharaja: Maharaj Kumar Shri (personal name) Narayan. (Narayan being the name of the dynasty). The grandsons of the ruling prince, in the male line: Raj Kumar Shri (personal name) Narayan.

Jammu and Kashmir

The Heir Apparent of the ruling Maharaja: Maharaj Kumar Shri Yuvaraj (personal name). The younger sons of the ruling prince: Maharaj Kumar Shri Mannan (personal name).

Savantwadi

The Heir Apparent of the Sir Desai (ruler) of Savantwadi was styled Rajanathan Kumar, Shrimant (personal name).

Travancore

The Heir apparent (surviving brother or nephew, under the Marumakkathayam law of matrilineal inheritance, according to male primogeniture) of the ruling Maharaja of Travancore was styled: Maharaj Kumar (personal name) Varma, Ilaya Raja of Travancore; the sons of the ruler: Sri (personal name) Tampi.

Nepal

In Nepal

Nepal

Nepal , officially the Federal Democratic Republic of Nepal, is a landlocked sovereign state located in South Asia. It is located in the Himalayas and bordered to the north by the People's Republic of China, and to the south, east, and west by the Republic of India...

, Kumari

Kumari

Kumari, or Kumari Devi, is the tradition of worshipping young pre-pubescent girls as manifestations of the divine female energy or devi in Hindu religious traditions. Kumari means young unmarried girl. Kumari word is derived from Sanskrit word Kaumarya meaning "virgin". In Nepali and some Indian...

refers to a young girl designated as a living Goddess as part of the tradition. Tourists from all over the world travel to Nepal just to get a glimpse of her. Although there are several Kumari's in Nepal, The Royal Kumari is the best known Kumari, as she's situated in Kathmandu.

Kumar, is a living god in Nepal. Kumar also literally means virgin in Nepali, and was the name of the god son of Lord Shiva. brother of elephant headed god Ganesh.

• Kumar itself (meaning prince in Nepali), is the usual title. This is never used for 'mere' commoner descendants, but bestowed on the son-in-law of a Sovereign.
• Adhirajkumar 'son of the ruler of rulers', or Prince, is the usual title borne by the sons of a sovereign, his brothers, and paternal uncles.
• Maharaj Adhirajkumar is the usual prefix for the son of a King holding the rank and title of Sri Chautaria.
• Rajkumar 'royal son' is the title borne by the sons of a Raja (Hindu ruler of lower rank) and by the sons of a Nepalese King by a lesser wife or concubine.
• Yuvarajkumar 'Young Prince', is the usual title for the younger sons of the Crown Prince.
• Kumar is a name that refers to a son of king.
• In Lambjang and Kaski the "a" class sons of the 'ruling' Maharaja: Sri Sri Sri Maharaj Kumar (given name) Shamsher Jang Bahadur Rana, in the male line: Kunwar (given name) Shamsher Jang Bahadur Rana.