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 David Williams and Elizabeth Mill (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 Ian Stuart

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