Margaret St. Lawrence

(died 1637) (1587–1637)

Parents

• Nicholas St Lawrence, 8th Baron Howth
• Margaret Barnewall

Children

• Nicholas Preston, 6th Viscount Gormanston
• Mary Preston

Siblings

• Christopher St Lawrence, 9th Baron Howth
• Alison St.Lawrence

Partners

• Jenico Preston, 5th Viscount Gormanston
• Luke Plunkett, 1st Earl of Fingall