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This is a "wiki" site for posting information on the Francisco, Cisco, Sisco, Siscoe, and Sischo families of North America.

It is important to note that there are several different, unrelated, families with these surnames. We've been using DNA testing of the Y chromosome of men to differentiate the various families. If you are a male member of the family with one of these surnames, you can order the DNA test at:


I recommend the 37-marker Y chromosome test. We can then compare your results to those of other men who have been tested. So far, we have 35 participants. The results of the DNA test are posted at:


Here are the different, unrelated families that have been discovered so far:

1. A large family descended from John Fransoy, a French protestant (Huguenot) born about 1660 in France, who fled north to the Netherlands to escape religious persecution. His name probably just means "John the Frenchman" = Jean le Francois in French. He married a Dutch woman, Elizabeth Geitje, either in the Netherlands or in New Jersey. In the Netherlands and in the Dutch community of Second River, New Jersey, he was known as Johannis Franse, which means "John the Frenchman" in Dutch. Later the name was written as Francisco or Fran Sisco. He is supposed to have had five sons, Henry, Frans, Johannis, Abraham, and Barent. Many of the descendants of Barent in New Jersey shortened the name to "Sisco", whereas the descendants of Henry in New York and points west kept the full name of "Francisco". A southern branch of this family is descended from a John Francisco who moved to North Carolina about 1750. The southern branch changed the name from Francisco to Sisco or Cisco about 1800. A letter from Elon Francisco in the Family Research Documents at left shows how the name was in transition from Francisco to Cisco or Sisco in the early 1800's. Men of this lineage have the R1b1b2a1b Y chromosome haplotype of Western Europe, described in the following Wikipedia article http://en.wikipedia.org/wiki/R1b1b2a1b

2. Another large family descended from Ludwig Christophel ("Stofel") Franciscus, who emigrated to Pennsylvania in the early 1700's. Some members of this family changed the name to Francisco and Sisco. This is the family of the late actor James Franciscus. Men of this lineage have the G2c Y chromosome haplotype, which is described in the following Wikipedia article http://en.wikipedia.org/wiki/Haplogroup_G2c_%28Y-DNA%29

3. A Portuguese Francisco family originating in the island of Madeira. Some in this family have shortened the name to "Francis". These also have a R1b Y chromosome haplotype, but they are not closely related to the family of John Fransoy (Family #1 above).

4. A Francisco family descended from Daniel Francisco, born about 1803 in Tennessee (?), who moved to Illinois at a young age. The Y chromosome of men in this family matches other men with the surname of "Gage", so it's likely their ancestors were Gages. They have an E3b Y chromosome haplotype.

5. A Francisco and Sisco family descended from Peter Francisco of Ohio (1757 - 1842). Men in this family with this surname have a J2a4 Y chromosome haplotype.

6. A Francisco family whose Y chromosome matches the Y chromosome of Burleson men, so it's very likely that their direct male ancestors were Burlesons. The southern Burlesons, Franciscos, Shipmans, and Gages traveled together to North Carolina about 1750 and intermarried. Men in this family with the Francisco surname have an I1a Y chromosome haplotype.

7. A family descended from two Sischo brothers who lived in Rhode Island in the early 1700's. Different branches of this family spell the name Siscoe or Sisco. They have a J2a1b1 Y chromosome haplotype.

8. A Sisco family of recent immigrants from Calabria in Italy. This is the family of the late Dr. Joseph John Sisco, President of American University in Washington, DC. As of this date (November 2010) we do not have any DNA data for the Y chromosome of this family, so we do not know if it is related to any of the other families.

9. A family who owned the Sisco Dairy in New Jersey. They changed their name from "Ziljstra" when they emigrated to this country.

10. The family of Peter Francisco, the "Virginia Giant" of Revolutionary War fame. The Society of Peter Francisco has a website athttp://www.peterfrancisco.org

Thanks very much for your participation.

Paul H. Sisco, Jr. Site coordinator

Latest page update: made by Paul_Sisco , Feb 10 2013, 7:22 AM EST (about this update About This Update Paul_Sisco Edited by Paul_Sisco

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