Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 833: Est. TMRCA: 43 generations or 1204 years ago (746 AD)
        1---355387 Thomas Donnelly 1835-1910 Moy, Tyrone, Ireland: Map Unknown111 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---Node# 787: Est. TMRCA: 15 generations or 420 years ago (1530 AD)
                2---100296 William Murray 1800 Unknown Origin:  Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---730948 Andrew Murray 1790 Ireland: Map Big Y-700111 STRs FTDNA Known SNP: FGC12948 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).