Customized or partially customized Mayflower charts start at $120. You can supply data about all the generations from 1620 to now, or you can cite a "Silver Book" or MFIP booklet and supply your data beginning where the book or booklet's coverage ends.

These charts generally supply just the year when dating events. The exact dates are presumably documented elsewhere; ideally, the source(s) in which to find those exact dates (and perhaps other additional information) would ideally be cited.