 It was told that during King Rama II's reign in early Rattanakosin period Chao Krom Yim (เจ้ากรมยิ้ม), who was a Mon (Peguan) persuaded the Chinese who mostly were pig raisers in the area to build a temple called Wat Khok Mu.Later Vajirananavarorasa, supreme patriarch at that time has changed its name to Wat Sitaram.It derived from conversion of Pali language, from a word of Yim (the temple founder's name), and a word of "aram" (the temple, or monastery), "ubosot" (ordination hall) of the temple has Chinese styled rooftop covered by Thai styled tiles.