Tally Is A Unisex Name Of Hebrew Origin, Meaning "heavens Dew." As A Girls Name, It Is Considered A Diminutive Of Talia. This Gender-neutral Name May Appeal To A Religious Parent Seeking A Symbolic Name For Baby. Tally Is Also Thought To Originate From The Irish Surname Ó Taithligh, Meaning "peaceable." The Concepts Of Heavens Dew And Something Peaceable Together Make For A Beautiful And Soothing Choice For Your Precious Little Bundle!