Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 1126: Est. TMRCA: 38 generations or 1064 years ago (886 AD)
        1---Node# 1054: Est. TMRCA: 38 generations or 1064 years ago (886 AD)
                2---297677 Samuel McMullen 1782-1838 Unknown Origin:  Big Y-700111 STRs FTDNA Known SNP: FGC40940 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---Node# 889: Est. TMRCA: 10 generations or 280 years ago (1670 AD)
                        3---284787 Robert McDowell 1829-1871 Ireland: Map Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA NorthIreland Project.
                        3---903046 John McDowell 1821-1867 Unknown Origin:  Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
        1---Node# 1070: Est. TMRCA: 23 generations or 644 years ago (1306 AD)
                2---Node# 906: Est. TMRCA: 16 generations or 448 years ago (1502 AD)
                        3---525941 William McCreery 1804-1891 Ireland: Map Unknown67 STRs FTDNA Known SNP: M222 Est. TMRCA: recent. Kit is courtesy of the FTDNA Huey Project.
                        3---326780 Robert McIlroy 1820-1909 Antrim, Ireland: Map Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.
                2---964686 Alexander Gillan 1847-1907 Ireland: Map Big Y-700111 STRs FTDNA Known SNP: A725 Est. TMRCA: recent. Kit is courtesy of the FTDNA McClellan Project.
                2---557132 Bernard Sullivan 1795 Longford, Ireland: Map Big Y-700111 STRs FTDNA Known SNP: FGC4087 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).