Records link phone number (563) 583-4220 with Gregory’s details. This year Gregory celebrated his 61 birthday. Gregory's birth date was listed as 1963. Possible relatives of Gregory are: Wayne Louis Manthey, Dewain Herman Manthey, Laurie L Manthey and 6 other people. 2969 Summer Dr, Dubuque, Ia 52002 is where Gregory resides. Public records show Dubuque as a city Gregory also stayed in.