Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 779: Est. TMRCA: 6 generations or 168 years ago (1782 AD)
        1---58485 Alexander McHargue 1789 Unknown Origin:  Big Y-700111 STRs FTDNA Known SNP: FT226171 Est. TMRCA: recent. Kit is courtesy of the FTDNA McHarg Project.
        1---77346 Alexander McHargue 1709 Unknown Origin:  Unknown111 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA McHarg Project.
        1---Node# 740: Est. TMRCA: 6 generations or 168 years ago (1782 AD)
                2---71434 Alexander McHargue 1789 Unknown Origin:  Unknown111 STRs FTDNA Known SNP: M173 Est. TMRCA: recent. Kit is courtesy of the FTDNA McHarg Project.
                2---97573 Alexander McHargue 1789 Unknown Origin:  Unknown111 STRs FTDNA Known SNP: M222 Est. TMRCA: recent. Kit is courtesy of the FTDNA McHarg 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).