Family name Ylstra (Ylstra 
) , globally, is a very rare last name. The surname Ylstra is habitual in Netherlands, where it is a rare surname, New Zealand, where it is a very rare surname, and Australia. Much less frequently, Ylstra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ylstra | New Zealand, United States, Netherlands, Australia |
| bouke ylstra Dutch painter (1933-2009), NL (b. 1933) |
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| bauke ylstra researcher |
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