The following is a list of the first woman to serve as mayor of their respective municipalities.
1900s
1906
Lady Margaret Dockrell, first women chair of the Urban District Council of Monkstown, Ireland, United Kingdom 1908 Elizabeth Garrett Anderson, first woman mayor in England and first female mayor of Aldeburgh, United Kingdom
1910s
1910
Sarah Lees, first woman mayor of Oldham, in Lancashire, England
Gwenllian Morgan, first woman mayor of Brecon, Wales, United Kingdom
first woman mayor in Wales
1911
Kate F. O'Connor, first woman mayor of Arcadia, Illinois, United States
Ella Wilson, first woman mayor of Hunnewell, Kansas
1912
Clara C. Munson, first woman mayor of Warrenton, Oregon, United States
also the first woman elected mayor following the passage of the equal suffrage law in Oregon. Some sources, including The Daily Astorian, erroneously call Munson the first woman elected mayor in Oregon, however, that distinction belongs to Alice E. Burns who was elected mayor of Florence, Oregon in 1895. Mary E. Woolley Chamberlain, first woman mayor of Kanab, Utah, United States Susan Wissler, mayor of Dayton, Wyoming, United States Wissler was the first woman mayor in Wyoming
1913
H.C. Defenhaugh, first woman elected mayor in Tyro, Kansas, United States
1914
Clara Latourell Larsson, first woman elected mayor of Troutdale, Oregon, United States
1915
Angela Rose Canfield, first woman mayor of Warren, Illinois, United States
Estelle Lawton Lindsey, first woman to execute the duties of Mayor of Los Angeles, California, United States it occurred when Los Angeles Mayor Henry R. Rose was absent from his post in September 1915 and directed Lindsey, a member of the city council, to fill-in as acting mayor.
1916
Ellen French Aldrich, first woman elected mayor of Sawtelle, United States
C. I. Driver, first woman to serve as mayor of Lone Rock, Colorado, United States was appointed by the city council Mary Alice Partington, first woman mayor of Glossop, in Derbyshire .
1917
Avis Francis, first woman mayor of Valley Center, Kansas, United States
Ophelia "Birdie" Crosby Harwood, mayor of Marble Falls, Texas, United States
also the first woman mayor in Texas, elected by an all-male vote three years before women were allowed to vote. Marian Newhall Horwitz, first woman who served as mayor of Moore Haven, Florida, United States also first woman mayor in Florida Laura Jane Starcher, first woman elected mayor of Umatilla, Oregon, United States
1918
Blanch Shelley, first woman elected mayor of Sandy, Oregon, United States
Maria Skobtsova, first woman mayor in the Russian Empire and first female mayor of Anapa, Russia.
1919
Helen B. Coe, first woman elected mayor of Langley, Washington, United States
was elected with an all-woman city council
Ada Summers, first woman elected mayor of Stalybridge, in Cheshire, England
1920s
1920
Hattie Barnes Adkisson, first woman mayor of Jewett, Texas, United States, Ellen Chapman, first woman elected mayor of Worthing, in West Sussex, England Lula V. Coleman first woman mayor of Jena, Louisiana, United States Coleman, who was serving as deputy sheriff of LaSalle Parish, was appointed mayor by Governor John M. Parker, making her the first woman to serve as mayor in Louisiana Nora Gammon, first woman mayor of Thebes, Illinois, United States Louise Fussman, mayor Humboldt, Kansas, United States Grace B. Lampshire, first woman elected mayor of Burns, Oregon, United States also the first woman elected mayor in Oregon by write-in vote Grace Miller, first woman elected mayor of Jackson, Wyoming, United States Bernice Pitts, first woman to execute the office of Mayor of Portland, Oregon, United States Pitts, a student at Richmond School, served as mayor in place of George Luis Baker for five minutes