Little is known of a second bishop of Abula, called Iulius, possibly his successor, living around 100 AD. No other incumbents were recorded.
Titular see
No longer a residential see, Abula is today listed by the Catholic Church as a Latin titular bishopric since the diocese was nominally restored in 1969.[3]
It has had the following incumbents, so far of the fitting episcopal (lowest) rank:[5]
Javier Osés Flamarique (11 October 1969 – 28 February 1977) as auxiliary bishop of Huesca (Aragon, Spain) (11 October 1969 – 28 February 1977) and next apostolic administratorsede plena of Huesca (1971 – 19 May 1973), then apostolic administrator of Huesca (19 May 1973 – 28 February 1977); later Bishop of Huesca (28 February 1977 – death 24 August 2001)
Charles McDonald Renfrew (5 May 1977 – death 27 February 1992) as auxiliary bishop of Glasgow (Scotland, UK) (5 May 1977 – 27 February 1992)
Alojz Uran (16 December 1992 – 25 October 2004) as auxiliary bishop of Ljubljana (Slovenia) (16 December 1992 – 25 October 2004); later succeeded as Metropolitan Archbishop of Ljubljana (25 October 2004 – retired 28 November 2009), president of Episcopal Conference of Slovenia (16 March 2007 – 28 November 2009)
Salvador Giménez Valls (11 May 2005 – 21 May 2009) as auxiliary bishop of Valencia (southern Spain) (11 May 2005 – 21 May 2009) and apostolic administrator of Menorca (Balearic Spain) (21 September 2008 – 21 May 2009); later succeeded as Bishop of Menorca (21 May 2009 – 28 July 2015), then Bishop of Lleida (Spain) (28 July 2015 – ...)