Keir is a moderately popular boys' name in England & Wales, ranking #366 in 1999 with 62 recorded births. This places Keir in the top 10% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1998 with 74 births ranking #327. In 1999, approximately 1 in every 4,891 boys born was named Keir. FALLING Recent data shows the name is currently falling.