- Efforts were made to establish the Mwldan Sunday School by W. H. Harries.
- Population 2633
- 29/3 LAST SHIP built – Margaret Ann, owned by Capt. Evan Parry, Tresaith launched by John Williams
- May Half day holiday established
- 28/8 Cemetery north and west walls built
- 27/9 Netpool Gravel Pits leased to Burial Board
- October Average attendance at Mwldan Sunday School = 200.
- November Elections: D G Davies, Rev. W. Jones, John Lewis. Mayor James Williams
- 6/12 Library considered but deferred until funds were available.
The following were buried in St Mary’s Church cemetery:
- Francis, Lettice wi of James 06/02/1877 aged 77 MPH2
- Morgan, Mary, dau of Thomas 11/02/1877 aged 7m A10
- Morgan, Sarah dau of Capt John & Sarah, Drawbridge 16/03/1877 aged 19 HPW42
- Jenkins, David, Greenfield Sq 23/03/1877 Aged 45 MPL1
- Noott, Elizabeth 30/03/1877 aged 77 C14
- Thomas, Owen, Cathrine Row 14/04/1877 aged 87 MPI15
- Noott, Caroline Jenner dau of Thomas & Mary 12/05/1877 aged 23 C14
- Jeremiah, Sarah 01/06/1877 yn 56 MPD11
- Owen, Priscilla wi of David 19/06/1877 aged 76 EW8
- Owens, Thomas son of David & Sarah lost his life on a passage to Bombay in the Flora of London 24/08/1877 aged 37 MPW15
- Lewis, David 12/09/1877 aged 77 MPK9
- Perrott, Thomas James second son of H H O Perrott d at the Bryndissil Ho, Llandyssilio 19th year 29/11/1877 MPF17
- Trollip, Julia wi of Jacob 05/12/1877 aged 36 EW35
- Thomas, Thomas, Troedyrhiw, Merthyr Tydfil 25/12/1877 aged 27 MPK3