George Leo Thomas
American Roman Catholic archbishop
About George Leo Thomas
Born 1950. George Leo Thomas is an American theologian, catholic priest and catholic bishop.
George Leo Thomas (born May 19, 1950) is an American Catholic prelate who serves as archbishop of the Archdiocese of Las Vegas. He served as bishop of the Diocese of Las Vegas from 2018 until its elevation as an archdiocese in 2023.
Thomas previously served as bishop of the Diocese of Helena in Montana from 2004 to 2018 and as an auxiliary bishop of the Archdiocese of Seattle in Washington State from 1999 to 2004.
Early life and education George Thomas was born on May 19, 1950, in Anaconda, Montana, as the second of the five children of George and Mary (née Cronin) Thomas. Raised in Butte, Montana, he graduated from Butte Central Catholic High School in 1968. Thomas studied at Carroll College in Helena, Montana, obtaining his bachelor's degree in literature in 1972. Deciding to become a priest, Thomas then studied at St. Thomas Seminary in Bothell, Washington, earning his Master of Divinity degree there in 1976.
Priesthood Thomas was ordained to the priesthood for the Archdiocese of Seattle at St. James Cathedral in Seattle by Archbishop Raymond Hunthausen on May 22, 1976. After his ordination, Thomas served as associate pastor at Holy Family Parish in Kirkland, Washington, and then at St. James Cathedral Parish. Thomas also performed chaplain work for the King County Correctional Facility, the Seattle City Jail, and the Missionary Sisters of the Sacred Heart center, all in Seattle. For 10 years, he served as chair of the board for Catholic Community Services in the archdiocese
Thomas became chancellor and vicar general the archdiocese in 1987. He was named as apostolic administrator for the archdiocese following the death of Archbishop Thomas Murphy in 1997. He served as both chancellor and vicar general until 2004.
Auxiliary Bishop of Seattle On November 19, 1999, Thomas was named as an auxiliary bishop of Seattle and as titular bishop of Vagrauta by Pope John Paul II. He received his episcopal consecration on January 28, 2000, at St. James Cathedral from Archbishop Alexander Brunett, with Bishops William S. Skylstad and Carlos Sevilla serving as co-consecrators.
Archbishop of Las Vegas On May 30, 2023, Thomas was named by Francis as the first archbishop of the newly created Archdiocese of Las Vegas.
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Important facts
People in George Leo Thomas's life
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Frequently asked questions
Who is George Leo Thomas?
American Roman Catholic archbishop
When was George Leo Thomas born?
George Leo Thomas was born on 19 May 1950 in Anaconda.
What is George Leo Thomas's occupation?
George Leo Thomas is a theologian, catholic priest and catholic bishop.
What nationality is George Leo Thomas?
George Leo Thomas is American.
Sources & further reading
· Wikipedia: George Leo Thomas
Cite this page
APA: Biography.guide. (2026). George Leo Thomas. https://biography.guide/george-leo-thomas/
MLA: "George Leo Thomas." Biography.guide, https://biography.guide/george-leo-thomas/.
Chicago: "George Leo Thomas." Biography.guide. https://biography.guide/george-leo-thomas/.
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