2011 ORS § 106.220¹
Surname upon entering into marriage

(1) Upon entering into marriage, either party may retain the partys surname prior to the marriage or change the partys surname to the surname of the other party or to a hyphenated combination of the surnames of both parties. If a party requests a surname change under this section, that party may also change the partys middle name to the partys surname prior to the marriage. Each party must indicate on the application, license and record of marriage the partys name after marriage.

(2) The name of each party after marriage as indicated on the application, license and record of marriage shall become the sole legal name of each party after marriage. If a party indicates a name change other than as described in subsection (1) of this section, the party shall request approval of the court pursuant to ORS 33.410 (Jurisdiction). [1975 c.733 §3; 1981 c.775 §7; 2007 c.703 §12]