She said she was 18

Social norms have certainly changed over the years. It wasn't always unusual to be married off before the age of 16.

This women were married before their 17th birthdays:

• Elizabetha Rudi (1674 - 1746) married at 16
• Anna Hack (1470 - ?) married at 15
• Johann Hunn (1485 - ?) married at 14
• Susannah Muck (1828 - 1851) married at 16
• Agnes Hunn (1537 - 1566) married at 13
• Hannah Champion (1650 - ?) married at 15
• Agathe Dorsch (1490 - 1559) married at 10
• Anne English (1736 - 1791) married at 13
• Matilda Lena Swope (1821 - 1854) married at 15
• Rose Anna Goodyear (1792 - 1873) married at 16
• Anna Haagen (1643 - 1673) married at 14
• Sarah Ann Steese (1829 - ?) married at 16
• Rose Anna Goodyear (1792 - 1877) married at 16
• Anna Marklin (1482 - 1534) married at 16
• Magdalena Frey (1568 - ?) married at 16
• Hannah Champion (1650 - ?) married at 15
• Elizabeth Denton (1771 - 1849) married at 15
• Anna Zeh (1512 - ?) married at 15
• Anna Frey (1587 - ?) married at 16
• Mary John Marshall (1637 - ?) married at 12
• Eleanor Bartlett (1822 - 1879) married at 15