Mary Square: Lifestyle Gift | Agendas | Apparel | T-Shirts ... Mary Square is a lifestyle brand that designs and creates beautiful gift items including stationery, drinkware, home accessories, loungewear and more. We are committed to infusing each product with th Mary Square is a lifestyle brand that designs and creates beautiful gift items including stationery, drinkware, home accessories, loungewear and more. We are committed to infusing each product with the high-quality materials and lots of love. Our mission is to inspire women to celebrate each day!