List of bells

#	Tower	Bell	Weight	Note	Diameter	Cast	Founder
1	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	1 of 10	5–1–21	F♯	27.38″	1929	Gillett & Johnston
2	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	2 of 10	5–2–8	E	28.50″	1929	Gillett & Johnston
3	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	3 of 10	6–0–14	D	30.50″	1929	Gillett & Johnston
4	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	4 of 10	6–2–18	C♯	31.50″	1929	Gillett & Johnston
5	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	5 of 10	8–0–6	B	34.50″	1929	Gillett & Johnston
6	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	6 of 10	10–0–0	A	37.50″	1929	Gillett & Johnston
7	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	7 of 10	13–2–10	G	41.63″	1929	Gillett & Johnston
8	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	8 of 10	16–0–20	F♯	44.00″	1929	Gillett & Johnston
9	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	9 of 10	23–0–4	E	49.00″	1929	Gillett & Johnston
10	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	10 of 10	32–0–6	D	55.25″	1929	Gillett & Johnston
11	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	3# of 10	5–2–27	D♯	29.50″	1929	Gillett & Johnston
12	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	7# of 10	11–3–7	G♯	39.50″	1929	Gillett & Johnston
13	Londonderry, Derry, Northern Ireland, Cath Ch of S Columb (CI)	c4b of 10	7–1–14	C	33.00″	1929	Gillett & Johnston