Roof fixer or roof maker
An English occupational surname referring to someone who covered roofs in straw or rushes. It transitioned to a first name in the late 20th century, following the trend of using trade-based surnames. It carries a sense of craftsmanship and industriousness.
Less common today
Thatcher isn't in the latest US Top 1000. It last peaked at #798 in 2019.
Character and father of Meredith Grey · Grey's Anatomy
Former NFL offensive lineman
US births per 5-year period, 1990–present (SSA data).