At its height in 1924, Delmer reached #428 nationally — 205 babies received it that single year. Its strongest stretch was the 1920s — particularly the decade right around the peak. Today, Delmer is a rare name in U.S. records with about 7 babies named Delmer each year. Delmer's usage has been rising again in recent years. In all, around 7,665 babies have been registered as Delmer since 1880.