Omu-aran was founded 500 years ago. The community was founded due to the migration of people from Ile-ife. There was a drought in Ile-ife, to know the cause of the drought, the oracle was consulted, the oracle said Ife was over-crowded, therefore some people had to leave. Some princes were selected to migrate to other places and were given symbol of authority. One of the selected princes was Olomu-Aperan, the founder of Omu-aran. Olomu-Aperan was the adopted child of Omutoto, one of the wives of Oba Olofinaiye of Ile-ife. Omu-aran is made up of people from different background that migrated to the present site of town. Omu-aran became the headquarters of Irepodun LGA on 24 August 1976.
Economy
Due to the vegetation of the area, Omu-aran residents were predominately farmers. They were also famous in handicraft like basket weaving and blacksmit works.
Festival
EGÚNGÚN FESTIVAL. This includes egungun àgbà, egungun pàràká, egungun ode, and egungun eléwe. Egungun is usually held once every two years in Omu-Aran and environs in remembrance of the ancestors..
ÒGBÓ FESTIVAL is an openly held annual festival in Omu-Aran city to pay homage to OLOGBOMONA and to his goddess mother popularly called ÒMÙTÓTÓ. This festival is popularly held in Omu-Aran on behalf of the entire Igbomina-Yoruba land.
EPA and ANGERE FESTIVAL is also held in Omu-Aran within an interval of two years except at special occasions when angere comes out to entertain.
ALÁTÀ FESTIVAL is one of the traditional festivals that hold in Omu-Aran within a period of one to two years. Alata is a kind of masquerade made with palm fronds and ashes. Alata runs with Cain called "ÀTÒRÌN" in Yoruba. It pursues after some selected runners that dare it. Beating with cains is part of the festival.
CHRISTMAS FESTIVAL is also one of carnival-like annual festivals and is blissfully held in Omu-Aran. This is usually in the month of December. Likewise, ILÉYÁ FESTIVAL is lovely to behold in Omu-Aran. While christians in Omu-Aran do host Christmas Festivals, Muslims in Omu-Aran similarly celebrate Ileya at Salah periods annually.
OMU-ARAN DAY is a kind of festival in Omu-Aran usually held within an interval of about four years. The event is used to raise fund for the physical development of the community. From funds raised from such a community fund raising in the past, the community has built some secondary schools which were all freely handed over by the community after completion to government to aid good education in the state the community belongs. Apart from secondary schools built by the community from such a fund, there are some roads in the community such as " RING ROAD" among others that the community commenced its development before government later came to complete. Likewise the OMU-ARAN CITY COMPLEX was developed from hosting such an event in Omu-Aran.
ÌKÓRÈ ÒMÙ-ÀRÁN is held annually in Omu-Aran to generate fund to meet community expenses. From such a fund, government water-works and electricity power base stationed in the community have been assisted financially to function.
Language
Since Omu-aran is an Igbomina land the language widely spoken in Omu-aran is Igbomina or Igbona.
Leadership
The system of leadership used is the traditional Oba system. The traditional leader is known as OLOMU. The current Olomu of Omu-Aran, His Royal Majesty, Oba AbdulRaheem Oladele Adeoti Akolade Agboluaje ascended the throne on Saturday 22nd, September, 2018. The previous Oba was Oba Charles Oladele Ibitoye, died on 30 November 2017.
