The following information is provided through the courtesy of my dear friend Lindel who has made a gargantuan effort to provide the very best resources on the 'Net for Donegal, Ireland. Please do visit her pages (just click on her name above) for wonderful genealogical resources!
| Surname | First Name | Occupation (Calling) | Location | Directory |
| Aiken | Mary | Grocer | Pettigoe | Pettigoe |
| Atchison | Alexander, Esq | Grouse Lodge | Pettigoe | |
| Barton | Foillet, Esq | J.P. | Clenelly | Pettigoe |
| Barton | Hugh, Col. | Waterfoot | Pettigoe | |
| Birnie | Thomas, Rev | Glebe | Pettigoe | |
| Copeland | Jas. | Master, Parochial School | Pettigoe | Pettigoe |
| Copeland | Mary | Mistress, Parochial School | Pettigoe | Pettigoe |
| Crummer | John, Esq | Pettigoe | Pettigoe | |
| Cushore | Thomas | Blacksmiths | Pettigoe | Pettigoe |
| Dogherty | Peter | Tailors | Pettigoe | Pettigoe |
| Edgworth | Henry | Surgeon | Pettigoe | Pettigoe |
| Edwards | Robert | Clerk to the Magistrates | Pettigoe | Pettigoe |
| Ellis | William | Carpenter | Pettigoe | Pettigoe |
| Freeborn | Francis | Grocer | Pettigoe | Pettigoe |
| Gallagher | Denis | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Given | John, Esq | Pettigoe | Pettigoe | |
| Glendining | Charles | Grocer & Baker | Pettigoe | Pettigoe |
| Glendining | George | Coopers | Pettigoe | Pettigoe |
| Gorman | John | Shoemaker | Pettigoe | Pettigoe |
| Hamilton | Hazlett | Grocer, draper, ironmonger | Pettigoe | Pettigoe |
| Hamilton | Hazlett | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Hammond | Peter, Rev | Aghafy | Pettigoe | |
| Holmes | James | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Maguire | Hugh | Baker | Pettigoe | Pettigoe |
| McAffery | John | Master, National School | Pettigoe | Pettigoe |
| McAteer | Andrew | Saddler | Pettigoe | Pettigoe |
| McBrien | Henry | Grocer, Draper & Leather Seller | Pettigoe | Pettigoe |
| McCrea | Catherine | Grocer & Baker | Pettigoe | Pettigoe |
| McCutchin | Irvine | Grocer | Pettigoe | Pettigoe |
| McGoldrick | John | Butcher | Pettigoe | Pettigoe |
| McHugh | Terence | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| McRory | John | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Morrow | Henry | Land Surveyor | Pettigoe | Pettigoe |
| Mulligan | John | Grocer | Pettigoe | Pettigoe |
| Murray | James | Blacksmiths | Pettigoe | Pettigoe |
| Myles | Thomas | Shoemaker | Pettigoe | Pettigoe |
| Nelson | Simeon, Rev | Pettigoe | Pettigoe | |
| O'Donnell | John | Tailors | Pettigoe | Pettigoe |
| Rankin | David | Shoemaker | Pettigoe | Pettigoe |
| Read | Adams | Grocer | Pettigoe | Pettigoe |
| Read | Thomas | Draper & Ironmonger | Pettigoe | Pettigoe |
| Read | Thomas | Post Master | Pettigoe | Pettigoe |
| Read | Thomas | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Ryan | Neil, Rev | Aghafy | Pettigoe | |
| Ryan | Owen | Spirit & Porter Dealers | Pettigoe | Pettigoe |
| Smyth | John | Grocer & Draper | Pettigoe | Pettigoe |
| Smyth | John | Surgeon | Pettigoe | Pettigoe |
| Swanston | Edward | Spirit & Porter Dealers | Pettigoe | Pettigoe |
Places of Worship in Pettigo in 1846:
Pettigoe Parish Church - Rev Thomas Birnie, Rector
Roman Catholic Chapel - Rev Neil Ryan, Parish Priest; Rev Peter Hammond, Curate
Presbyterian Meeting House - Rev Simeon Nelson, Minister
Wesleyan Methodist Chapel - ministers various
Primitive Methodist Chapel - ministers various
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