Felicia Awujoola was born on 6 November 1938 in Ogbomoso, Oyo State.[2][3] She attended Idi-Aba a Christian Baptist School from 1953 and graduated in 1957 from its teacher programme.[2] In 1965 she married Solomon Adedeji Adeyoyin, who had attended Idi-Aba's brother school, the Baptist Boys' High School.[3][2]
Adeyoyin was Professor of Education at the University of Lagos and a consultant for the United Nations.[2]
In 1976, she wrote the pledge published in the July 15 edition of the Daily Times in an article titled "Loyalty to the Nation, Pledge". Then-Head of State Olusegun Obasanjo modified the pledge and introduced it as the national pledge, decreeing that school children should recite it during assembly.[7][8][9]