MICHAEL MCCORMACK /MACORMAICK ????

my great great grandfather  came from dublin(kings county ?)he was called michael mccormack (but i have found other spellings)he was b orn in 1811 and on his second sons marriage certificate he was  a solider  the  famly came to england about 1860 his wife mary (nee daly and her mother eliza daly  plus there were children and some born in england all the children born in ireland were born in dublin, i have a marriage certificate for  michael and mary they were married inthe church of ST PAUL ARRAN QUAY on the 27th of may 1848(there parents names were not recorded but to witnesses names were  a michael curran and richard steele, would love to find out more about michael and marys life in ireland siblings parents etc also his military life, thank you for reading .