Meghan McCain: I voted for McMullin
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Sen. John McCainJohn Sidney McCainMeghan McCain calls Russian attacks against her father the 'highest compliment' to her family Arizona Dems hope higher Latino turnout will help turn the state blue McConnell: GOP could try to repeal ObamaCare again after midterms MORE's (R-Ariz.) daughter says she voted for third-party candidate Evan McMullin for president.

Meghan McCain tweeted Thursday that she voted for McMullin, a former House GOP staffer who mounted an independent campaign in opposition to GOP presidential nominee Donald TrumpDonald John TrumpDemocrats slide in battle for Senate Trump believes Kushner relationship with Saudi crown prince a liability: report Christine Blasey Ford to be honored by Palo Alto City Council MORE.

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Meghan McCain has been critical of both Trump and Democratic nominee Hillary ClintonHillary Diane Rodham ClintonO'Rourke's rise raises hopes for Texas Dems down ballot Gabbard considering 2020 run: report Claiming 'spousal privilege' to stonewall Congress MORE throughout the campaign, and had suggested she would vote for a third-party candidate instead.

Her father withdrew his support from Trump last month after a recording surfaced of Trump talking about groping women without their permission.

Instead, John McCain said last month, he might write in the name of his friend Sen. Lindsey GrahamLindsey Olin GrahamThe Memo: Trump in a corner on Saudi Arabia Trump should stick to his guns and close failed South Carolina nuclear MOX project CNN's Smerconish: What do Saudis have over American presidents? MORE (R-S.C.) for president.  

Weeks into Trump's presidential campaign, in July 2015, he drew widespread criticism for mocking McCain's military service, sarcastically saying: "He's a hero because he was captured? I like people that weren't captured."