The IACONIS family from which I descend comes from San Giovanni in Fiore in Calabria, Italy.  

Here is the distribution of Iaconises inside Italy.

 

GENEALOGY WEBSITES
Find the distribution of your surname in the United States
New York City Port of immigration:  CastleGarden.org offers free access to an extraordinary database of information on 10 million immigrants from 1830 through 1892, the year Ellis Island opened. Over 73 million Americans can trace their ancestors to this early immigration period. Castle Garden, today known as Castle Clinton National Monument, is the major landmark within The Battery, the 23 acre waterfront park at the tip of Manhattan. From 1855 to 1890, the Castle was America's first official immigration center, a pioneering collaboration of New York State and New York City.
The Ellis Island Archives More than 22 million passengers and members of ships' crews entered the United States through Ellis Island and the Port of New York between 1892 and 1924. Information about each person was written down in ships' passenger lists, known as "manifests." Manifests were used to examine immigrants upon arrival in the United States. Now you can search these millions of records for information on individual Ellis Island passengers.
The Church of Jesus Christ of Latter-Day Saints (the Mormons), this site contains a large and freely searchable archive. Among the data are: the Social Security Death Index (SSDI), U.S. Federal Census for 1880 or the 1881 census for both the British Isles and Canada, a vital records index containing birth, marriage, and death records from around the world. You can download free software for managing your family tree on your computer. Personal Ancestral File or PAF is both powerful and easy to use even for a novice computer user. A very helpful site and free to all visitors.
The National Archives and Records Administration Web site contains a tremendous amount of information on everything from genealogy to White House tape recordings, Presidential Libraries to the Declaration of Independence. Don't be surprised if you find yourself coming back to this site on a regular basis - it's fantastic and full of useful information for all levels of research.
The US GenWeb Project is a group of volunteers working together to provide Web sites for genealogical research in every county and every state of the United States. The Project is non commercial and fully committed to free access of genealogy information for everyone. Organization of the site is by county and state, providing links to all the state Web sites which, in turn, provide gateways to the county. USGenWeb also sponsors important Special Projects at the national level.
The Immigrant Ships Transcribers Guild is a group of volunteers focused on transcribing passenger arrival records and publishing their work online so that immigrant arrivals can be more easily found online. Access to this site is free and all researchers are welcome to share transcriptions they may have already completed. The site currently has free access to more than 7,000 individual passenger manifests and this number continues to grow.
The Federation of Genealogical Societies is an umbrella organization whose membership is made up of the hundreds of genealogical and historical societies in the United States, as well as some international organizations. With more than 500 member societies, FGS has a collective membership numbering in the tens-of-thousands. Each year, representatives an delegates from many of these societies gather for an annual conference. A quarterly publication, FORUM, contains an assortment of articles of interest to societies and their membership.
The online home of the National Genealogical Society, this non-profit organization was formed in 1903 for the benefit of all levels of genealogy (beginner to professional) and promotes education, a high standard of research principles and scholarly practices, and interest in genealogy, family history, and a range of other related activities.
The Association of Professional Genealogists is a non-profit organization dedicated to promoting a high set of professional and ethical standards for genealogy research. With more than 1,500 members, the expert knowledge of their members covers a wide range of geographic, ethnic, and other specialties.
This site is a general reference for the United States Federal Census and is useful for anyone conducting family history research. Since 1790, the U.S. has conducted a federal census every 10 years and these records contain valuable clues regarding the location and makeup of all American families. A great starting point to learn about census for genealogy research (and it's free).
In many ways, Pier 21 is Canada's equivalent to Ellis Island. From 1928 to 1971, this port received over one million immigrants, wartime evacuees, refugees, troops, war brides and their children. In 1999, Pier 21 reopened after a renovation of the historic building and now pays tribute to those who passed through its doors.
This site is the online home of the Library of Congress and has a tremendous variety of material on many subjects relating to American history, veterans, and other areas sure to be of interest to any genealogist. Of particular interest, you should be sure to see the American Memory section which provides access to many photographs, maps, historic documents, as well as audio and video. An especially useful site for educators.
Family Search aims to provide you with free family history, family tree, and genealogy records and resources from around the world.