Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 1003: Est. TMRCA: 7 generations or 196 years ago (1754 AD)
        1---289394 John McClelland 1841 Ireland: Map Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA McClellan Project.
        1---Node# 934: Est. TMRCA: 6 generations or 168 years ago (1782 AD)
                2---183073 Archelaus D. McLeland 1799-1870 Unknown Origin:  Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA McClellan Project.
                2---Node# 933: Est. TMRCA: 3 generations or 84 years ago (1866 AD)
                        3---229458 McClellan Scotland: Map Unknown37 STRs FTDNA Known SNP: M173 Est. TMRCA: recent. Kit is courtesy of the FTDNA McClellan Project.
                        3---261223 Thomas McClelland 1801 Newry, Down, Ireland: Map Unknown67 STRs FTDNA Known SNP: M269 Est. TMRCA: recent. Kit is courtesy of the FTDNA McClellan 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).