In 1944 he was only the second layman to be elected moderator of the General Assembly.

Henderson was elected moderator for the third time.

Walter George Brown, another leading campaigner against union, was elected moderator in 1931.

He was elected Moderator of Assembly on 17 May 1792.

He was elected Moderator of the General Assembly in 1986.

Henderson was elected moderator of the Edinburgh meeting.

He was elected Moderator of the General Assembly in May 1862.

On 4 August 1590 he was elected Moderator of the General Assembly.

Cooke was elected moderator of the general synod at Moneymore in June 1824.

In 1827 he was unanimously elected moderator of the synod of Ulster, aged 28.