ɪn wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd wˈʌn, lˈɑːx wʌz ɐdmˈɪɾᵻd ɐn ˈædvəkˌeɪt ɪn skˈɑːtlənd, ænd wʌz kˈɔːld tə ðə bˈɑːɹ ɪn ˈɪŋɡlənd æt lˈɪŋkənz ˈɪn ˌɔn fˈɪftiːn noʊvˈɛmbɚ wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪks, bˌʌt ɐbˈændənd ðə lˈɔː ˈæftɚɹ ɐ fjˈuː jˈɪɹz ʌv kənvˈeɪənsɪŋ pɹˈæktɪs.
In 1801, Loch was admitted an advocate in Scotland, and was called to the bar in England at Lincoln's Inn on 15 November 1806, but abandoned the law after a few years of conveyancing practice.