A small hill or cup-shaped hollow
Cogan is an Anglicized form of the Gaelic surname Mac Cogadháin. It is primarily derived from a topographic term referring to a small hill or a bowl-shaped depression in the landscape.
Less common today
Cogan isn't in the latest US Top 1000. It last peaked at #7,561 in 1993.
US births per 5-year period, 1990–present (SSA data).
