14 baby names with a similar sound and feel to Mattingly.
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"first, beginning, primordial"
"to be blessed, divine grace"
"Supplanter, one who follows"
"bright mind; shining intellect"
"blessed, fortunate"
"God is gracious (from John/Johnny)"
"king's hawk"
"dawn universe"
"worshipper of Al-Hamid (Allah)"