Thin meadow or hedge meadow
A modern American invention, likely created by combining the trendy 'Tin-' prefix with the popular '-leigh' suffix. It is often associated with the Old English elements 'tyne', meaning a hedge or enclosure, and 'leah', meaning a meadow or clearing.
Less common today
Tinleigh isn't in the latest US Top 1000. It last peaked at #3,424 in 2014.
US births per 5-year period, 1990βpresent (SSA data).