Mike,

Here is a little info. from the Soldiers and Sailors System.

CONFEDERATE TEXAS TROOPS

1st Regiment, Texas Heavy Artillery

1st Heavy Artillery Regiment was organized at Galveston, Texas, during the winter of 1861-1862 using the 3rd Texas Artillery Battalion as its nucleus. The unit served in the Trans-Mississippi Department primarily at Galveston and along the upper Texas coast. Company F was stationed at Sabine Pass during September, 1863, and was prominent in the surrender of two Federal gunboats, the Sachem and Clifton. In April, 1864, it was stationed at Galveston Island with 23 officers and 462 men, and in April, 1865, there were 430 present for duty. The regiment was included in the surrender on June 2. Its commanders were Colonel Joseph J. Cook, Lieutenant Colonel John H. Manly, and Major Edward Von Harten.

Joseph J. Cook (First_Last)
Regiment Name 1 Texas Heavy Artillery
Side Confederate
Company FS
Soldier's Rank_In Lieut. Col.
Soldier's Rank_Out Lieut. Col.
Alternate Name
Notes
Film Number M227 roll 8

You really need copies of his service records to see what happened to him in the war. Here is a link to order the records, they are very fast, and very good folks.

http://history-sites.com/research/index.html

I hope this helps,
Gary D. Bray