The name Haines (English) is a variant of Hain.
Hain is infrequently used as a baby name for boys. It is not listed in the top 1000 names.
Baby names that sound like Hain include Heyne (German), Hahn, Haim (Hebrew and Polish), Ham (English), Han (Chinese and Dutch), Hann, Heine (German), Hem, Holm (English), Homane, Honaw, Hum, Hun, Hunn, Huynh, Chen (Chinese), Jaim, Juan (Manx and Spanish), Ohyn, and Hahnee.
† Pronunciation for Hain: HH as in "he (HH.IY)" ; EY as in "ate (EY.T)" ; N as in "knee (N.IY)"