Proper noun
Declan
A male given name from Old Irish, borne notably by Declán of Ardmore
Everything rests on the poisoned wine. If it were just the queen, I could force it down her gullet, but Declan Broekhart would run me through with that damned ceremonial sword, and if his wife's stares were daggers, he'd be dead already. Eoin Colfer
I had a lot of problems with my name ... my first name Declan is really not very well known outside of Ireland, MacManus is a name they could never spell ... Elvis Costello
My family calls me Declan. But most people call me E.C. I think it comes from my dad. It's an Irish convention. You usually call the first child by the initials. Elvis Costello
Amy," Elsie Moore said in her crackling voice, her gaze fixed on Declan. "I want you to get me a new bear. A blond one. Ilona Andrews
Grandpa?" Declan raised his eyebrows. "We keep him in the shed out back," Jack said helpfully. "So he doesn't eat dog brains. Ilona Andrews
Americans Dillon Powers and Ian Harkes provide good options and there’s young talent like Louis Appere, Declan Glass and Logan Chalmers, too. Source: Internet