Kathileen

Kathileen is an uncommon feminine name that appears to be a variant or elaboration of Katherine or Kathleen. Like its root names, Kathileen likely derives from the Greek name Aikaterine, which is of uncertain etymology but possibly means "pure." The addition of the extra syllable creates a more melodious, flowing version of Kathleen. Kathileen has never been among the top-ranked names in the United States and remains quite rare, giving it a distinctive quality. Those named Kathileen might choose to go by nicknames such as Kathy, Katie, or Leen. The name carries the same dignified, classic feel of more common Katherine variations while offering a unique alternative.

Pronounced KATH-uh-leen.

As of October 2026, Kathileen ranked #6715 in US births in 1959 SSA, peaked at #4702 in 1952.