Those Members of the Congregation holding posts during the 20th Century are listed below.
Session Clerks

1 1900 1922 J.R. Stevenson
2 1922 1949 Andrew Shearer, OBE., J.P.
3 1949 1952 Revd. Dr. Webster
4 1952 1968 John Douglas , OBE.,SSC.,J.P
5 1968 1973 George Jackson
6 1974 1990 Alexander H. Duncan
7 1990 2003 Frank J Tait
8 2003 2013 Angus Hogg
9 2013 2017 Ken Richards and Douglas Millar (Joint Session Clerks)
10 2017 Ken Richards
11 2018 2019 David Williams and Elizabeth Mill (Joint Session Clerks)

12 2019 Frances McCafferty and David Williams (Joint Session Clerks)

Treasurers

1 1900 1949 Session Clerk was Treasurer
2 1949 1953 James L.L. Adam
3 1953 1966 Duncan Campbell
4 1966 1969 James M. Jack
5 1969 1970 James Gemmell
6 1970 1972 Brian Forrester
7 1972 1997 William D.Cunningham
8 1997 1999 Laurence P.Wilson
9 1999 2011 Thomas D. Edmond
10 2011-2013 Mrs Ellen Whyte
11 2013-2015 Mrs Lorraine Sharp
12 2015 2019 Ian Stuart

13 2019 Neil Jack

Organist & Choirmaster and Corporation Master of Song

1 1915 1923 Christopher Allsop
2 1924 1944 W.P. Torrance
3 1944 1956 James Moodie
4 1956 1956 Edward I. Thompson
5 1956 1957 John T. Fyfe -ad interim
6 1957 1972 Henry Ritchie
7 1972 1973 Mervyn Games
8 1973 1976 David Harrison
9 1976 1979 John McElroy
10 1979 1994 Andrew V.C. Armstrong
11 1995 2015 Dr. Norman Mitchell, Master of the Music
12 2016 Matthew Beetschen