Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 1185: Est. TMRCA: 26 generations or 728 years ago (1222 AD)
        1---Node# 1061: Est. TMRCA: 26 generations or 728 years ago (1222 AD)
                2---356676 John Courtney 1808-1848 Ireland: Map Unknown67 STRs FTDNA Known SNP: M222 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---N21767 Irish DNA Project Ireland (FGC57853+): Est. TMRCA: recent.
        1---Node# 1128: Est. TMRCA: 13 generations or 364 years ago (1586 AD)
                2---184499 Jacob Haughey, 1828-1888 Ireland: Est. TMRCA: recent.
                2---315781 Daniel Joseph Monaghan, Ireland: Map Unknown67 STRs FTDNA Known SNP: M222 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---84326 Patrick Dougherty 1820 Mayo, Ireland: Map Unknown67 STRs FTDNA Known SNP: M222 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.

Note: Dates are measured from the epoch which is 1950 and age estimates vary by 15% to 20%. The few red colored ages (on the SNPs) and the green age at the top is Family Tree DNA's eatimate for the SNP itself. The green in-line ages are the SAPP estimate for the kits being analyzed (not the SNP).