Source: Public Records Aggregators · Commercial Data Providers · Consumer Data Sources Our search returned 175 contact records for David Duffy across 34 states. The most recent address on file is in Hillsdale, New York. Of these records, 136 include phone numbers and 70 include email addresses. Ages range from 39 to 91, which may indicate multiple individuals sharing this name. Records are compiled from government agencies and commercial data sources. Data accuracy varies by source.