Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 1136: Est. TMRCA: 20 generations or 560 years ago (1390 AD)
        1---66036 Thomas A. McGrath Unknown Origin:  Big Y-700111 STRs FTDNA Known SNP: FT124490 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---Node# 1057: Est. TMRCA: 20 generations or 560 years ago (1390 AD)
                2---76060 Alexander Harley 1700 Scotland: Map M222111 STRs FTDNA Known SNP: FGC4077 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---80391 James Isom Patterson 1795-1870 Unknown Origin:  Unknown67 STRs FTDNA Known SNP: M269 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).