Numbers in Polish - two different ways?

Im looking for some help. I come from a family of 4 kids, 3 girls and a boy. We want to get tattoos with Polish words to reflect our heritage. Could you please help me with some words? We always say we are one of four, two of four three of four and four of four. How would you say that or 1, 2, 3, 4 or 1st 2nd 3rd 4th?

Ive heard two ways to say 2, dwa and sekunda, which is right?

So each one will be identified by their number?

numeral

jeden - pierwszy, pierwsza, pierwsze
dwa - drugi, druga, drigie
trzy - trzeci, trzecia, trzecie
cztery - czwarty, czwarta, czwarte


dwa is correct

sekunda means "a second" as a unit of time

of course "drugie" correcting z_darius's typo.

the forms z_darius gave you (pierwszy, pierwsza, pierwsze for first, trzeci, trzecia, trzecie for third etc.) are male/female/neuter (in that order), so if you use them, don't mix up things.

But I still think the idea of a tattoo with a name (in a polonized version, if such exists) instead of the number would be better. Concentration camps victims had numbers tattooed by the nazis on their forearms, so bad associations.

5th, 6th, 7th, 8th, 9th, 10th... 132nd, 133rd, 134th...