| who ? | Cé ? |
| who else ? | Cé eile ? |
| who is this / that ? | Cé hé seo / sin ? |
| who is there ? | Cé atá ann ? |
| who is speaking ? | Cé atá ag caint ? |
| who did this ? | Cé a rinne é seo ? |
| who owns this ? | Cé leis é seo ? |
| who has the....? | Cé aige a bhfuil ....? |
| how many / how much ? | Cé mhéad ? |
| how much is it ? | Cé mhéad atá air ? |
| . | . |
| what for ? | Cad chuige ? |
| what about it ? | Cad ina thaobh ? |
| where are you from ? | Cad as duit ? |
| . | . |
| what's wrong with you ? | Céard atá ort ? |
| what did you get ? | Céard a bhfuair tú ? |
| . | . |
| where ? | |
| why ? | Cén fáth ? |
| how ? | Cén chaoi ? |
| who ? | Cén duine ? |
| what time is it ? | Cén t-am é ? |
| what age are you ? | Cén aois tú ? |
| what colour is that ? | Cén dath é sin ? |
| what day of the week is it ? | Cén lá den t-seachtain atá ann ? |
| . | . |
| where is he? | Cá bhfuil sé ? |
| where are we now ? | Cá bhfuilimid anois ? |
| where did you get it? | Cár bhfuair tú é ? |
| where did you leave it ? | Cár fhág tú é ? |
| where did you put it ? | Cár chuir tú é ? |