Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 942: Est. TMRCA: 37 generations or 1036 years ago (914 AD)
        1---140688 John Meharg 1770-1838 Drumbo, Down, Ireland: Map Unknown67 STRs FTDNA Known SNP: A725 Est. TMRCA: recent. Kit is courtesy of the FTDNA McHarg Project.
        1---260773 Thomas Fahey 1835 Gort, Galway, Ireland: Map Unknown67 STRs FTDNA Known SNP: M173 Est. TMRCA: recent. Kit is courtesy of the FTDNA Ireland 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).