What's in a Name?

Here's another Name post (finally)! I already had the first two ready and realized I was still doing a part featuring Scandinavian names. So, this one has two Finnish for you to peruse. Perhaps I'll have a few more that hail from Finland in a week or two. . . :]
(Heheheh, And I'm losing track of which photos I've already used. . . Forgive me if you see a picture that I've previously posted with another name.)

Garrison Gender: Masculine Usage: English, German, Old High German, Old French Pronunciation: GAR-uh-suhn
Meaning & History Unknown in terms of names. Could possibly be said to mean "to defend, to protect." Comes from the word of the same name, [noun] meaning "a body of troops stationed in a fortified place; the place where such troops are stationed; any military post, especially a permanent one." [verb] "To provide with a garrison; to occupy with troops; to put on duty in a fort, post, station, etc."
Word origin: Middle English garisoun protection, stronghold; Old French garison, gareison defense, provision, derivative of garir, guerir to defend; Germanic; compare Old High German to warjan. (Dictionary.com)

Tessa Gender: Feminine Usage: English Pronunciation: TESS-ah
Meaning & History Diminutive of Theresa, which could ultimately be derived from the Greek theros meaning "summer" or therizo meaning "in harvest."

Elias Gender: Masculine Usage: Portuguese, German, Swedish, Norwegian, Danish, Finnish, English, Greek, Biblical Latin, Biblical Greek Pronunciation: ǝ-LEE-ǝsh (Portuguese), e-LEE-ahs (German), E-lee-ahs (Finnish), i-LIE-ǝs (English), ee-LIE-ǝs (English)
Meaning & History Cognate of Elijah, meaning "my God is YAHWEH." Elias is the form used in the Greek New Testament.