At its height in 1970, Kelli reached #115 nationally — 3,331 babies received it that single year. Its strongest stretch was the 1970s — particularly the decade right around the peak. Today, Kelli is a less common but recognizable name in U.S. records (ranked #4,835) with about 30 babies named Kelli each year. Kelli's usage has fallen in recent decades. In all, around 75,176 babies have been registered as Kelli since 1880.