Memorialized in partnership with Thomason Funeral Home - San Marcos
Read Alan's Obituary
Alan Wayne Geistman died August 28, 2025, at the age of 75 from complications related to gastric cancer. A true and proud Texan, Alan was born October 19, 1949, in Harlingen, Cameron County, Texas to Julius Lehman (J.L.) Geistman and Inez Lollar Geistman. He spent the first five years of his life...
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