Survey of English Place-Names

Historical Forms

• (insulam de) Henes 1137–47 YChviii 1157 YCh354 1324 MinAcct

• Heynes 1404 MinAcct 1615 Comm65

• Haines, Haynes 1615 Comm65 1629 Hnt 1675 Comm52

Etymology

Hains Fm, (insulam de ) Henes 1137–47 YCh viii, 1157 YCh 354, 1324MinAcct 45, Heynes 1404MinAcct 76, 1615Comm 65, Haines , Haynes 1615Comm 65, 1629 Hnt, 1675Comm 52. Probably 'the enclosures' from ON  hegn. The reference of insula is no doubt to an island of usable ground in the marshes.