Conservatives prefer to see the American Revolution and Founding as part of a Lockean lineage. This would be true for some of the Founders, but not true for all. One Founder conservatives take as an example of a Lockean founder is Thomas Jefferson.
Many scholars have assumed a connection of Jefferson’s “Life, Liberty and the pursuit of Happiness” and Locke’s “life, liberty and estate”:
“Locke argued in his Two Treatises of Government that political society existed for the sake of protecting “property”, which he defined as a person’s “life, liberty, and estate”. In A Letter Concerning Toleration, he wrote that the magistrate’s power was limited to preserving a person’s “civil interest”, which he described as “life, liberty, health, and indolency of body; and the possession of outward things”. He declared in his Essay Concerning Human Understanding that “the highest perfection of intellectual nature lies in a careful and constant pursuit of true and solid happiness”.”
Even if that were the case:
“According to those scholars who saw the root of Jefferson’s thought in Locke’s doctrine, Jefferson replaced “estate” with “the pursuit of happiness”, although this does not mean that Jefferson meant the “pursuit of happiness” to refer primarily or exclusively to property. Under such an assumption, the Declaration of Independence would declare that government existed primarily for the reasons Locke gave, and some have extended that line of thinking to support a conception of limited government.”
Besides, Jefferson wasn’t alone in his views:
“Benjamin Franklin was in agreement with Thomas Jefferson in downplaying protection of “property” as a goal of government. It is noted that Franklin found property to be a “creature of society” and thus, he believed that it should be taxed as a way to finance civil society.”
Furthermore, other scholars have offered and alternative interpretation:
“Garry Wills has argued that Jefferson did not take the phrase from Locke and that it was indeed meant to be a standard by which governments should be judged. Wills suggests Adam Ferguson as a good guide to what Jefferson had in mind:
“If, in reality, courage and a heart devoted to the good of mankind are the constituents of human felicity, the kindness which is done infers a happiness in the person from whom it proceeds, not in him on whom it is bestowed; and the greatest good which men possessed of fortitude and generosity can procure to their fellow creatures is a participation of this happy character. If this be the good of the individual, it is likewise that of mankind; and virtue no longer imposes a task by which we are obliged to bestow upon others that good from which we ourselves refrain; but supposes, in the highest degree, as possessed by ourselves, that state of felicity which we are required to promote in the world.”
—Adam Ferguson, An Essay on the History of Civil Society
“The 17th-century cleric and philosopher Richard Cumberland wrote that promoting the well-being of our fellow humans is essential to the “pursuit of our own happiness”. Locke never associated natural rights with happiness, but his philosophical opponent Gottfried Wilhelm Leibniz made such an association in the introduction to his Codex Iuris Gentium. William Wollaston’s The Religion of Nature Delineated describes the “truest definition” of “natural religion” as being “The pursuit of happiness by the practice of reason and truth”. An English translation of Jean-Jacques Burlamaqui’s Principles of Natural and Politic Law prepared in 1763 extolled the “noble pursuit” of “true and solid happiness” in the opening chapter discussing natural rights. Historian Jack Rakove posits Burlamaqui as the inspiration for Jefferson’s phrase.”
A more nuanced view is offered by Howard Schwartz in Liberty In America’s Founding Moment (Kindle Locations 485-506):
“I offer a different approach to the question of the Declaration’s position on rights, arguing that a key aspect of the Declaration’s meaning and function has been missed. Instead of asking whether the Declaration is Lockean or what literary documents are the source of its ideas, I will suggest that the Declaration’s position on natural rights and independence is much more equivocal than has been typically realized. The question about the source of Jefferson’s ideas is less relevant and interesting than the question of what position on rights was getting articulated. The answer to that question is more ambiguous than typically thought. And the equivocation is one part of the Declaration’s meaning and function. Indeed, one central purpose of the Declaration was to unite the colonies behind the decision to declare independence. As such, the Declaration had to evade and sidestep any disagreements about rights that might still have lingered. In this sense, the Declaration had to speak as if “debate had ended,” to use the words of Thomas Paine in Common Sense, when in fact on the matter of American rights, the debate had not completely ended and there remained some significant disagreements about the foundations of and nature of natural and American rights. Jefferson himself did not agree with the view endorsed by the First Continental Congress in 1774, though that constituted the official view endorsed by the Congress on behalf of the colonies. When Jefferson sat down to write the Declaration, he had to find words to unite those who otherwise had diverging views. On this interpretation of the situation, Jefferson’s brilliance was not only in his powerful rhetorical performance, but in finding an articulation of rights that would seemingly be amenable to as many parties as possible, including himself. In this sense, “all its authority rests then on the harmonizing sentiments of the day,” to use Jefferson’s own words, is a more profound and ironic interpretation than anyone has fully appreciated.21 If Jefferson’s Declaration of Independence captures the American Mind, then it does so in all the complexity and disagreement that characterized the “American Mind” at the time. There was arguably no single American Mind on the question of rights.22 And the Declaration was harmonizing a tradition that did in fact have divergent views and loose ends. This statement on rights would have to speak not just to those who endorsed the position of the First Congress, but also those who did not, including its author. This interpretation of the Declaration thus takes a position that both affirms and criticizes all of the various the positions in the debate. The Declaration does endorse natural rights language and a Lockean-like view but at the same time it exhibits some of ambivalence about natural rights and the way natural rights are linked up to American rights. It thus affirms that Locke’s ideas were in the air but also argues that these ideas were contested and doubted. The American foundation of rights was not a settled matter.”
As for Jefferson’s personal view, a fundamental right related to happiness had to do with consent. A government earned consent by ensuring the happiness of citizens. When that happiness abated, so did the requirement of consent. This puts “pursuit of Happiness” in a whole other context.