Hiedi

Is pronounced HYE-dee. Short form of Adelaide or Adelheid (Old German) "exalted nature". Literary: the name of a girl of the Swiss Alps in Johanna Spyri's beloved children's novel "Heidi".
Variations of Heidi are:
Haidee, Heida, Heide, Heidey, Heidy and Hydee.

Hannah

Is pronounced HAN-ah. It is of Hebrew origin, and its meaning is "favored grace". Biblical: mother of the prophet Samuel. Being barren, she asked God to bless her with a child, and her prayer was answered. Hence, the name literally means "God has graced me with a son". Variations of Hannah are:
Ann, Anna, Anne, Annie, Chana, Chanah, Chanha, Channach, Channah, Hana, Hanah, Hanalee, Hanalise, Hanna, Hanne, Hannele, Hannelore, Hannie, Hanny,

Heath

Is pronounced heeth. It is of Middle English origin, and its meaning is "heath". Place name. "Heath" is a word for untended land where certain flowering shrubs grow. Famous people with this name are actor Heath Ledger.

Hamish

Is of Scottish origin. It is a variant of James (Hebrew) "he who supplants".
It is also related to the name Jacob