Irlanda sits next to 3 phonetic neighbors — Ireland, Irene, and Yolanda are the closest matches by sound. Most share Irlanda's Spanish-origin cluster, so the rhythm and vowel shape carry across the list.
You searched for names like
"land of Ireland, Emerald Isle"
"of noble birth"
"queen"
"resonant, pleasing sound"
"yew tree"
"elevated one, woman of the tower"
"grace, favor"
"pure"
"vigilant, watchful"
"fire"
"tropical climbing plant"
"lovable"
"torch, shining light"
"living, full of life"
"noble, of noble kind"
"rosary, garden of roses"
"open grassland, treeless plain"
"rose of Mary"
"divine feminine judge"
"walking with a proud gait (via Arabic Maisa)"
"little angel"
Similar sound: These names share phonetic patterns with Irlanda — similar vowel sounds, consonant clusters, or rhythm.
Shared roots: Several names on this list have Spanish via Old Norse origins, giving them the same cultural heritage as Irlanda.
Rhythm: Irlanda is a 3-syllable name. Names with the same syllable count tend to feel interchangeable when you're narrowing your list.