He said the congregation at Morning Star has dwindled to about a dozen people.
"I've heard through the grapevine that they have already found a replacement," he said of the pastoral post.
He plans to write a letter to make his resignation official.
The 12-passenger church bus was purchased for $1,500 with money raised through donations, bake sales and other events. However, it had not been used for church functions for some time, he said.
"We've had it four or five years," he said. "The last time we used it was last Christmas for caroling."
When the church member called asking for his resignation he told her that he would be interested in purchasing the bus. He has not received an answer about that offer.
Meanwhile, he is considering a different direction with ministry.
"I've thought seriously about youth ministry," he said. "I work at the high school and I'm around teens a lot. Maybe I'll work with some young people."
Wilkinson, 56, is the father of two sons who are 20 and 23 years old. He is waiting to see what the next chapter of life holds.
"I am a firm believer that when God closes one door he opens another," Wilkinson said. "He'll have me doing something. I'll be fine. It will be all right."
Contact writer Charlotte Ferrell Smith at charlo...@dailymail.com or 304-348-1246.