Ordinary membership of the Society is open to any person or body interested in its objectives. Student membership is open to full-time adult students and post-primary students who have completed the Junior Cycle.
Annual subscription of members, other than Honorary or Life members, shall be decided by the Annual General Meeting and shall become due on 1st January of each year. Currently, the annual individual subscription is €20 and family membership is €30. An individual or body paying a sum equal to ten times that of an individual (i.e. €200) shall become a Life Member. The committee may decide from time to time to award Honorary Life Membership to individuals who have given extraordinary or unusual service to the Society and issue certificates to them in recognition of their contribution.
Each member shall be entitled to attend all Annual General Meetings, Special General Meetings, lectures and field trips of the Society.