Indeed. Lincoln is conservative company. Roosevelt isn't. Bush is one of the former and similar to Lincoln in many, many ways. The illustration is obvious except to those who can't see or don't want to.
I'd be curious to know how you arrived at that conclusion. Lincoln was the progenitor of the decline and fall of Federalism in this country. How that would classify him as a conservative escapes me, maybe you can clarify.
Lincoln is conservative if you dispose of the Jeffersonians and the Founders who wrote against the danger of consolidated government. Lincoln gave permanent supremacy to the centralized national government by means of force. Lincoln's "conservatism" attracted some odd admirers:
http://www.marxists.org/archive/marx/works/1861/us-civil-war/index.htm