Of Mars or warlike
Marshe is a rare feminine variant of Marcia or Marsha, derived from the Roman name Marcius. It ultimately traces back to Mars, the Roman god of war, signifying strength and a spirited nature.
Less common today
Marshe isn't in the latest US Top 1000. It last peaked at #6,875 in 1994.
US births per 5-year period, 1990βpresent (SSA data).