Laughter
Aizik is a phonetic and modern spelling variant of the Hebrew name Isaac. It originates from the biblical name Yitzhak, which refers to the laughter of Sarah and Abraham when they were told they would have a child in their old age.
Less common today
Aizik isn't in the latest US Top 1000. It last peaked at #4,053 in 2005.
US births per 5-year period, 1990βpresent (SSA data).