Origin: McMillan is a Scottish surname that has gained popularity as a given name. It’s derived from the Gaelic “Mac Mhaolain,” meaning “son of the tonsured one,” likely referring to a devotee of a saint.

Meaning: While the original meaning relates to religious devotion, as a modern given name, McMillan often carries connotations of strength, leadership, and Scottish heritage.

Popularity: As a first name, McMillan is relatively uncommon, which adds to its appeal for parents seeking a unique name. It’s more frequently used as a middle name to honor family heritage.

Historical Inspiration:

• Edwin McMillan: American physicist and Nobel laureate
• Margaret McMillan: British nursery school pioneer

Cultural Significance:

• Represents Scottish clan heritage
• Embodies the trend of using surnames as first names
• Appeals to those seeking a strong, masculine name with historical roots

Variations:

• MacMillan (alternative spelling)
• McMullen (Irish variation)
• Spelling variations: McMillen, MacMillen

Nicknames: Mac, Mack, Mills, Millan