Across:
8 The Bog (MORASS) is big in the Gaeltacht (‘big’ in Gaeltacht = ‘mór’ = MOR-) area (-A-) south (-S) of Spiddal primarily (‘Spiddal’ primarily = -S) (MORASS),
9 Most of (m) the group (‘team’ without ‘m’ = TEA) going to labour (Labour PARTY) (TEA PARTY) function for Alice (TEA PARTY / Alice in Wonderland),
10 Business partner’s (business partners = SONS) produce from 13 down (produce from ‘fatherhood’ SONS),
11 Under the circumstances, it’s convenient (EXPEDIENCY) divorcee (EX-) heard (= homophone indicator) Jim (‘Jim’ = ‘gym’ = PE-) met Cyndie (Cyndie = -DIENCY) Cook (= anagram indicator) (EXPEDIENCY),
12 Artist’s impressions (DRAFTS) of Dublin (D-) Boat (-RAFT-) Show – the first (‘Show’ – the first = -S) (DRAFTS),
14 Suspicious tendencies (PARANOIA) of soldier (PARA-) on a small charge (ion) arising (= reversal indicator) (ion = -NOI-) from being absent (-A) (PARANOIA),
15 Film (PICTURE) opening (opening/job = POST-) with comedian (-CARD) (PICTURE POSTCARD) – the type that’s reminiscent of someone’s holidays (PICTURE POSTCARD),
18 Epidemiologist’s study (DISEASES) cut from case studies (‘cut’ from ‘case studies’ = asesdies = DISEASES),
20 Tidies up (CLEANS) to do some homework (CLEAN-) at school (-S) (CLEANS),
22 Revolutionary (= reversal indicator) not (not = -TON) behind (= positional indicator) money-laundering perhaps (WASHING-) (WASHINGTON) of the American capital (WASHINGTON),
24 Guiding light (SAGE) in news agency (in the ‘newS AGEncy’ = SAGE),
25 Paid tribute (HONOURED) to 1 down (‘honour’ = HONOUR-) working on the paper (-ED) (HONOURED),
26 Shady type (tan) slips up (= reversal indicator) (tan = -NAT-) in view (SE-E) (SENATE) of the house (The House = SENATE).
Down:
1 Celtic is not in technicolour (‘celtic’ is not in ‘technicolour’ = hnoour = HONOUR) – there’s no shame in that! (HONOUR),
2 Knock’s (knocks = TAPS) system for distributing water (TAPS),
3 Young woman (lass) needs no introduction (l) (‘lass’ without ‘l’ = ASS-) showing off (= anagram indicator) roses (roses = -ESSOR) (ASSESSOR) in The Examiner (ASSESSOR),
4 Sitting on (ATOP) what’s dug up (= reversal indicator) in Mesopotamia (in ‘mesoPOTAmia’ = pota = ATOP),
5 Lugosi is the lead (L- is the lead in ‘Lugosi’) taking on The Count (-ADDER) (LADDER) for a particular run in a tight situation? (LADDER is a run in tights),
6 Part of the church (TABERNACLE) sets up (= reversal indicator) club (bat = TAB-) on cleaner (cleaner) ground (= anagram indicator) (cleaner = -ERNACLE) (TABERNACLE),
7 Is rocket (is rocket) salad (= anagram indicator) (is rocket = STOCKIER) comparatively meaty? (STOCKIER),
13 Is responsible for a number of issues (FATHERHOOD) at (-AT-) her (-HER) hotel (-H-) in type of chain (food chain = F- -OOD) (FATHERHOOD),
14 Churchwarden’s (churchwardens = clay PIPES) pastries (PI-ES) – soft (soft/piano = -P-) at the centre (PIPES),
16 Plagiarist (IMITATOR) is not capable of anything original (IMITATOR),
17 An issue for the HSE? (SICKNESS) One is better off without it! (SICKNESS),
19 Criminal (= anagram indicator) rents (rents = SENTR-) yard (-Y) (SENTRY) from guard (SENTRY),
21 Strange (= anagram indicator) things (things = NIGHTS) seen during dark periods (NIGHTS).
23 Ross gets off steroids (‘Ross’ gets off ‘steroids’ = teid = TIDE) – the current trend suggesting it has a yo-yo effect (yo-yo effect = TIDE),
24 Get rise out of sentries (get ‘rise’ out of ‘sentries’ = sent = SENT) posted (SENT).