Oakleigh is a spelling of Oakley, an English surname and place name that means "oak clearing" or "oak meadow". The -leigh ending, borrowed from Everleigh and Ashleigh, marks it as a girls' form, while Oakley itself is used for both sexes. In the United States Oakleigh was number 1811 in 2015, entered the top 1000 in 2019, peaked at 507 in 2023 and ranks 668 in 2025.