Hoekstra means 'one from Hoek', and 'hoek' means at the corner or angle, very prozaisch. Hook was one of the villages, which formed the mittelalterlche city of Leeuwarden, the capital of the Dutch province of Friesland. In Leeuwarden) has it as a Hoeksterpoort (Hoekstertor given. It is interesting that Hoekstra, according to Dijkstra, the Dutch probably the most common name on-stra is. In the Netherlands there is also the name Hoeksema and Hoekema, both in my opinion, albeit from the Groningen province of Friesland as the product. Hoestra as a curiosity, there's also probably a false case.
(Sent from: Joost Hoekstra)