Jennings 12.7.1800 dines (in Ireland) / 20.9.1800 meet Jennings, Id (in London) / 25.9.1800 tea mrs Plunket's with 2 Jennings's / 28.9.1800 meet Jennings, Dobbs & O'Reily / 2.10.1800 meet Jno. Jennings & Burne / 16.1.1802 meet Curran, Bennet & Jennings / 15.4.1804 coach,adv Jennings / 4.10.1805 Jennings Irish at Curran's (Irish is at end of day's entry in GD website transcription but see original) / 21.1.1806 meet Jennings / 6.10.1806 Jennings at Curran's / 20.10.1809 again / 22.10.1811 meet Jennings (with Curran) / 29.10.1811 Jennings with Curran at Hatchet's / 26.11.1811 seek Irish Jennings / 23.6.1817 Jennings at Curran's
The above entries have all been coded to Joseph Clayton Jennings on the GD website. but I think this was a different person, except perhaps for 15.4.1804 and 21.1.1806 which could have been J C Jennings or even James Jennings (l'auteur & pantisocrat). The two entries at Tooke's in 1801 (not listed above) seem likely to have been J C Jennings. Because Burne appeared in Irish circles in London in 1800 to 1805, maybe the Irish Jennings was called John (as on 2.10.1800)