Born in South Florida with coconut, avocado, and mango trees growing in the yard. My Dad’s family on his mother’s side lived in FL since the Seminole wars on one side (came from Georgia), and on his father’s side came from SC back before the revolution. I have lived on both the Atlantic and Gulf coasts and lived on two different lakes while in FL. Worked research jobs that required working on the water for the State of FL after college. My mother’s family goes back to before the revolution living continuously in Dorchester County on the Eastern Shore of Maryland. Spent a couple of weeks there every summer. Many of them made livings as watermen even. Apparently, we even had a pirate in the family that my grandmother wouldn’t talk "aboot (they have an accent) as it is shameful! I have lived over 40 years now in the small rural town in SC that my wife grew up in.
Grew up in MA, now live in RI, so no.
Around here, the “mason dixon line” is the MA border, and the locals up in VT, NH and ME are always complaining about the southerns moving north. 
I believe you are referring to the “Masshole” line…
sing
the mason dixon line’s latitude roughly correlates to the sweet tea vs unsweet tea line, WV is a bit muddled- written out of the line with statehood in 1863 in a desire to get another free state. The line had come to represent the boundary for free vs slave states.
And in NYC, anything north of Westchester is “Upstate”. 
The reason being because northerners have nothing else to do in winter 
Born in Baltimore, migrated to Texas.
Sweet Tea is muddled in Maryland too. Probably 40% sweet-60% unsweet
Born and raised in New England (MA, NH, RI and a very short stint in ME) but moved to FL after 36 years. Couldn’t take the cold any more.
Alabama for 65+ years.
Another response from the “South of South” - born and raised in Florida, and still here, out of sheer cussedness…
Born and lived in So. Louisiana; fortunate to have been an ACA certified Instructor Trainer in River and Freestyle Canoe for almost 30 years and travelled all over the U.S. for teaching in Symposia and trips during that time. Paddling was a big deal in the north in every state from BWCA Minn. across to the Adirondacks of upstate NY. Not as much in the South. Exceptions are No. Arkansas (Buffalo River, et. al.), Tenn. and No. Carolina ( Smokey Mt. WW, et. al.), North Alabama (WW), and Florida ( most of the pop. is from the North). There are now some pockets all all Southern states, but one does not see a hull rack on every other car like in the North. Large wetlands and rivers in the South call for a motorized craft in the minds of many Southerners. One will see a motor boat on trailer in every other yard here.
Pagayeur
Everyone is entitled to an opinion. If one could ask any native of Arkansas, Tenn., Kentucky, North Car. and all points South if Del. is a Southern or Border state the opinion would be 100% no. No hostility intended, just my $0.02 worth. Delaware folks are wonderful people, but Northerners
Pag
No worries, I count myself as an American, don’t really worry (or even think about, other than String asking) about whether I am counted above or below the Mason-Dixon line.
I didn’t know I was a Yankee until I moved to North Carolina. Growing up in Michigan I thought Yankees were people from New England.
Great answer, good to know. Southerners can be a little sensitive since losing the War of Northern Aggression. 
Keep the open side up.
Pag
I thought that was the War of Southern Surrender.
It was the war of economic disaster for the losers. Ironically it took quite a while for that worm to turn.
Ouch! Youse guys were lucky.
Born and raised in Maryland; living in Atlanta GA.
don’t know about the MasonDixonLine, but, as long as I’m close to the WaterLine, I’m good.
kayakLife started in MN (rivers, lakes, Great Lakes), then near Seattle (ocean, sound, lakes), then here (JaxFL), ocean, (daily paddle on) river.