born / bourn / bourne are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
born: (noun) British nuclear physicist (born in Germany) honored for his contributions to quantum mechanics (1882-1970). (adjective) brought into existence.
bourn: (noun) an archaic term for a boundary. (noun) an archaic term for a goal or destination.
bourne: NA
born: b·AO·r·n
bourn: b·AO·r·n
bourne: b·AO·r·n
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)