Cognomen Mary Kate (Mary Kate 
) , around the globe, is an extremely rare family name. The last name Mary Kate is characteristic of Western Europe, particularly Netherlands, where it is a very rare surname. Much more prevalently, Mary Kate is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mary Kate | Philippines, Canada, Ireland, United States, Peru |
Cary, Julian, Jumper, Thomas, Nelson, Hansen, Wagner, Maloney, Mcgrath, Stewart, Sweeney, Coleman, Bennett, Brennan, Bureros, Roberts, Johnson, Mcdonald, Anderson, Thompson, Williams, Gallagher, Bailey, Mccann, Murphy, Murray, Kane, Tarr, Moran, Smith, Allen, Adams, Baker, Brown, Burke, Kelly, Mclaughlin, Rohan, Lewis, Nevin, Hayes, Walsh, Wynne, Young, Quinn, Martin, Morris, Miller, Davis, and Fitzgerald