The name Tyra is a Scottish baby name. In Scottish the meaning of the name Tyra is: Land. The name Tyra is a Scandinavian baby name. In Scandinavian the meaning of the name Tyra is: Of Tyr; god of battle.
The official language of Britain is English. However, Gaelic and Welsh are also spoken by a minority of people in Scotland and Wales respectively.
You were right to say that we all speak English as a first language. Irish (Gaeilge) is a dying language that is only commonly spoken in certain areas in the countryside, but the people who speak it fluently still know how to speak English.