Of Old English and Germanic origin.
From an old Anglo-Saxon surname.
It may also derive from the Anglo-Saxon name Aethelhere, meaning “noble army”.
Another origin of the name is the alder tree.
From Old English “alor” and Proto-Germanic word root “aliso”. Both words derive from the Indo-European root “el-“, meaning “red” or “brown”.
Alder trees are usually found near rivers and wetlands.
Alder has climbed the baby names’ popularity chart by 1,192 spots in 2016 and is ranked #1974, in the U.S.A.