KIRK: My mother didn’t even make one for me … She made one for all my brothers and sisters but not for me … Twelve brothers and sisters, the only one without a basket – me.
Kirk’s statement could mean either that he has twelve siblings, or that he is one of twelve brothers and sisters. Either way, that’s a very large family. It doesn’t make a huge amount of sense for Kirk’s mother to make baskets for her children – I guess maybe for the girls, so they’ve got something to take to the auction, but shouldn’t the boys be buying other people’s baskets for charity, not getting a free one from their mother???
We never find out if Kirk’s claim is true or not, or if he’s making it up to sound more pathetic. He did talk of going on vacation with his parents, as if he was their only child, and if they chose to only take him over eleven or twelve other siblings, he doesn’t sound neglected by them.
Some fans have wondered if the “swan guy” and “Mick the DSL installer” from the early episodes were actually two of Kirk’s look-alike brothers. However, all the siblings may be entirely imaginary.
The Annotated Gilmore Girls 