That was the meme for Obama and McCain. It had little effect on their candidacies..
The first lawsuit challenging natural born citizenship was Hollander v. McCain and the Republican National Committee, filed in New Hampshire U.S. District Court in April, 2008.
Technically the first lawsuit was filed by Bill Aames.
“After reading a news story about the controversy, Bill Aames, a worker’s comp attorney in Riverside, Ca., filed a federal lawsuit March 6, 2008, in California saying an “actual controversy exists” and asking the courts to clarify the natural born issue.”
http://www.politifact.com/truth-o-meter/article/2008/may/12/born-usa/