The surname Gillis is believed to have origins in the British Isles, particularly Scotland and Ireland. It is often derived from the Gaelic name "Gille Iosa," meaning "servant of Jesus." The name has historical roots in the Christian tradition, reflecting the religious influence in the regions where it originated. Over time, the surname has spread to various English-speaking countries, adapting to different cultural contexts while maintaining its linguistic heritage.
According to the Census, Gillis is one of several names ranked #1910, with a count of 18834. That’s about 6 individuals for every 100,000 Americans.
Our database contains over 1966 people with the last name Gillis. This surname is most commonly found in Georgia, Florida, California. We have over 3 unique first names combined with the last name Gillis in our records. The most frequent first names associated with this surname are James, Robert, John.
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