|Irish name||Stiofán Mac Conmara|
Ennis, County Clare, Ireland
|1990-2000s||Éire Óg, Ennis|
McNamara made his first appearance for the team during the 1995 championship and was a regular member of the starting fifteen until his retirement after the 1999 championship. During that time he won two All-Ireland medals and three Munster medals.
At club level McNamara played with Éire Óg.
McNamara is the third generation of his family to enjoy All-Ireland success. His grandfather Jackie Power won two All-Ireland medals with Limerick in 1936 and 1940, while his uncle, Ger Power, won eight All-Ireland football medals with Kerry between 1975 and 1986.