我（马洪亮）又回来探亲 马洪亮是个人名 ps:竟然看样板戏。。。 还有，好歹你也给个赞啊==

Brilliant, thank you so much Addison!! That's very helpful! I haven't heard of 海港 before, I'll look it up right away! Also, I was confused by 我 + 马洪亮, but now I get it ^^

那是人

This is a lyric from a New Beijing Opera "海港“。 The expression is more artistic. So if it's turned to spoken expression, the more obvious way should be like this: 我马洪亮回来探亲，又到这里了。 I came back for visiting families and friends. Now I'm here again. BTW 马洪亮 is a name and he said this clause. If someone said his own name after a personal pronoun, that could show out a very strong emotions like excited, happy, angry, upset, ironic and so on. In here, it expressed a very excited feeling.