Maria Leo is the mother of Leonard Leo, a prominent conservative legal activist and co-chairman of the Federalist Society. A homemaker with Italian immigrant roots, she raised her son following the early death of her husband. Known for her strong Catholic faith, Maria Leo exerted significant influence on her son's upbringing, instilling values that shaped his conservative ideology and commitment to Catholic principles. Little public information is available about her personal life, education, or career beyond her role as a mother, reflecting her status as a private individual.