In Gaelic, name Glennis means – From the glen. Valley.. Other origins for name Glennis include – Gaelic, English. Name Glennis is most often used as a girl name or female name.
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In Gaelic, name Glennis means – From the glen. Valley.. Other origins for name Glennis include – Gaelic, English. Name Glennis is most often used as a girl name or female name.