"It's the Little Things" is a 1967 single by Sonny James. "It's the Little Things" was Sonny James' twenty-fifth release on the country chart, the song went to number one on the country chart for five weeks and spent a total of fourteen weeks on the charts.
Sonny James had multiple number one hits before "It's the Little Things."
We are not certain if he did or not, given the information.