Brady sits next to 3 phonetic neighbors — Brody, Grady, and Cody are the closest matches by sound. Most share Brady's Irish-rooted cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"son of James"
"warrior, brave one"
"he has heard, God has heard"
"mind, spirit, heart"
"God is gracious"
"of uncertain origin, possibly barberry hill"
"elm grove"
"son of Andrew (manly)"
"priest's town, priestly settlement"
"God has helped"
"son of Stephen, crown bearer"
"sovereign, owner"
"steadfast defender"
"firebrand"
"always king"
"strong, firm, enduring"
"rest, repose"
"to heal, healer"
"group, team, company of people"
Similar sound: These names share phonetic patterns with Brady — similar vowel sounds, consonant clusters, or rhythm.
Rhythm: Brady is a 2-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.