Sylvia's Lovers by GASKELL, Elizabeth Cleghorn

The novel begins in the 1790s in the coastal town of Monkshaven. Sylvia Robson lives with her parents on a farm, and is loved by her rather dull Quaker cousin Philip. She, however, meets and falls in love with Charlie Kinraid, a sailor on a whaling vessel, and they become engaged, although few people know of the engagement. But Charlie gets press-ganged and has to leave without a word... (Summary from Wikipedia)