Howsman is named after outstanding educator Shirley J. Howsman, the Executive Director of Elementary Administration for Northside ISD. During her 32 years as an educator, she was affiliated with six of Northside's elementary schools. She was among the first women to be named a school Principal in San Antonio. Her first assignment as Principal was at Shenandoah Elementary, where she remained for eight years. Following this position, she was Principal at Northwest Crossing Elementary and Locke Hill Elementary. Prior to her administrative positions, Howsman served the District as a classroom teacher at Glenn, Lackland City, and Villarreal elementary schools.

Howsman was a multi-talented woman who touched the lives of many. In addition to her professional dedication to students and staff, she also enjoyed the leisure activities of reading, camping, needlework, and playing bridge. She was not only an educator but also a wife, mother, grandmother, and a special friend. Shenandoah Elementary renamed in Howsman's honor in 1992.