Eastern Samar was represented as the third district of Samar until Republic Act No. 4221[1] was ratified in November 1965, after which the representative of the third district of Samar automatically served as Eastern Samar's representative. It was part of the representation of Region VIII from 1978 to 1984.
^Elected in 1965 as representative of the third district of Samar. Automatically became representative of the lone district of Eastern Samar upon ratification of R.A. 4221 in November 1965.