FOR A MAN born in 1911, the year before the Titanic set sail, Archie Campbell Murdoch is a remarkably active church volunteer. Celebrating his 103rd birthday this month, he divides his time between three churches in Salisbury: St Osmund’s, St Gregory’s and the Church of the Most Holy Redeemer. “I’ve done non-paid work since 1971 and these days I do anything that needs doing at the churches,” he says, adding modestly that he has “never considered” himself a hard worker. Archie was organist and choirmaster at St Osmund’s 30 years ago and still occasionally plays there and sings. Another centenarian still serving her parish is Cecilia Holden, 101, sacristan at St Joseph’s chapel in Hurst Green, Lancashire, an “outpost” of St P