John Grenham has added yet another engaging feature to his website: an interactive surname map of all Irish Catholic baptisms. At a glance you can see how frequently and where your surname appears, plus Grenham has listed all the variant spellings.

Perhaps best of all, with just a click you can look at the related Findmypast transcripts and National Library microfilm images. Enter your surname and see what you find: www.johngrenham.com/surnames/ So helpful! What will Grenham think of next?