March 1. On this date in 1940, May Maxwell died in Buenos Aires, Argentina. An early American Bahá'í, she was married to Hand of the Cause of God William Sutherland Maxwell who designed the Shrine of the Báb and was the mother of Mary Maxwell, the future Amatu'l-Bahá Rúhíyyih Khánum.

May Maxwell was born in Englewood, New Jersey on January 14, 1870. An early American Bahá'í, she was married to Hand of the Cause of God William Sutherland Maxwell, who designed the Shrine of the Báb, and was the mother of Mary Maxwell, the future Amatu'l-Bahá Rúhíyyih Khánum.

The Sutherland's were active Bahá'ís throughout their lives. For example, on September 2, 1912, during his tour of North America, 'Abdu'l-Bahá gave a talk in the Maxwell's Montreal home where he presented his views on native cultures, Africans, indigenous North Americans and pre-Columbian America.

May Maxwell died on March 1, 1940, of a heart attack in Buenos Aires, Argentina, where she was teaching the Faith. Shoghi Effendi, her son-in-law, gave her the status of martyr.
On May 12 1943, Shoghi Effendi cabled Argentine Bahá'ís he was "delighted (at the) completion (and) dedication (of the) Maxwell Memorial.

111-Completion and Dedication of Maxwell Memorial
12 MAY 1943
DELIGHTED COMPLETION DEDICATION MAXWELL MEMORIAL SYMBOLIC ACT NOBLY CONSUMMATED CONVEY BUENOS AIRES ASSEMBLY CONGRATULATIONS GRATITUDE ASSURANCE LOVING PRAYERS SPIRITUAL PARTICIPATION HISTORIC CEREMONY. APPRECIATE PHOTOGRAPHS DEDICATION GATHERING.

Shortly after May Maxwell's death in Buenos Aires, Argentina, on March 1, 1940, plans were made for the construction of a memorial at her gravesite. Designed by her husband, William Sutherland Maxwell, and approved by Shoghi Effendi, the memorial was dedicated on May 10, 1943 by the Bahá'ís of Buenos Aires at Quilmes Cemetery on behalf of the Bahá'ís of North an south America.