Nothing certain is known of Peregrine after August 1636; possibly he returned to Louvain, as did Ó Cleirigh.
Daibhidh mac Matthew Glas Ó Duibhgeannáin, or Daibhidh Bacach ("lame David") as he sometimes called himself, was an active scribe, compiler, poet between the years 1651 and 1696.