Lǐ Míxùn 李彌遜 (1089–1153), zì Sìzhī 似之, hào Yúnxī jūshì 筠溪居士, native of Liánjiāng 連江 (Fújiàn), settled in Wúxiàn 吳縣 (Sūzhōu). With his elder brother Lǐ Mídà 李彌大 and younger brother Lǐ Mízhèng 李彌正 he was one of three brothers of considerable repute. Shàngshè dìyī graduate of Dàguān 3 (1109). Under Gāozōng he served as Zhōngshū shèrén 中書舍人 and twice as Hùbù shìláng 戶部侍郎; for opposing the Shàoxīng héyì (peace negotiations) he ran afoul of Qín Guì 秦檜 and was forced into retirement. He withdrew to his Xīshān 西山 villa for sixteen years, devoting himself to poetry. Both Lóu Yuè 樓鑰 (preface) and Zhū Xī (colophon to a Yúnxī poem) praised him highly. His record is in Sòng shǐ (biography). CBDB id 1062 confirms 1089–1153.
Lǐ’s literary collection survives as Yúnxī jí 筠溪集 KR4d0158 in 24 juǎn with one juǎn of yuèfǔ 樂府 (cí) appended. Catalog meta gives only “d. 1153”; CBDB and the Sòng shǐ biography both supply the birthdate 1089, followed here.