Dillen

Dillen is a masculine name that serves as a variant spelling of Dillon or Dylan. Dylan originates from Welsh mythology, where it meant 'son of the sea' or 'born from the ocean.' Dillon emerged as an Irish surname derived from the Gaelic 'Diolún,' meaning 'faithful' or 'loyal.' The Dillen spelling offers a slightly softer phonetic quality while maintaining the name's strong heritage. While less common than Dylan or Dillon, Dillen provides distinction while remaining recognizable. The name has a contemporary feel paired with ancient roots, making it appealing to parents seeking names with historical depth but modern appeal.

As of October 2026, Dillen ranked #12686 in US births in 2023 SSA, peaked at #2054 in 1992.