Thanks for raising the topic.
I pastor a small local fellowship of the Church of God. For the last few weeks I've begun wearing my kilt to the service.
The only negative attitude has been from an Irishman, I feel he may bear a little resentment from his childhood days in Ireland, being forced to wear a kilt. But that's not really an issue.

I have friends who attend other churches in a kilt without any problems from other church goers.

The Christian church generally has a firm position on men wearing "that which pertaineth to a woman" ie womans' clothes. However, since the kilt is universally accepted as a male garment, that is no problem. The other theological issue is one of modesty. Most conservative churches frown on clothes that are too revealing, sensuous or "worldly".

The kilt fits into none of those catergories, it is non-worldly, very modest and non revealing (provided the wind doesn't blow).

Personally, I am not surprised by the high proportion of Christian believers among the ranks of kiltmen, after all, many pioneers in fields of science, invention, medicine etc have been men and women of faith, so I think it proper for us to be involved in a revival concerning kilt wearing.
Revival is what we do!!

Sorry to 'bang my drum' there a bit