Here is a link to the 1855 Griffiths Valuation for Bekan parish. No Haddican records but a few McGuire and McGreal records. Possibly Thomas McGreal and Bridget McGuire came from Bracklaghboy townland.
I checked the subscription site Roots Ireland. I did find one baptismal record for an Edward Haddican. You did not mention in your message so I decided to share the specifics from the record.
Edward Haddican born January 1 1852 and baptized January 7 1852 at Bekan. Father John Haddican mother Brid McGuire sponsors Martin Lyons and Mary Haddican
Bekan records start in 1832 and are on Roots Ireland. There were about ten Haddican records up to 1850, ten McGreal and about six McGuire. You can get short-term subscriptions to Roots Ireland.