Barry Goldwater Richard Nixon From February 3 to July 13, 1968, voters of the Republican Party chose its nominee for president in the 1968 United States presidential election.

The following persons were listed in two or more major national polls or were the subject of media speculation surrounding their potential candidacy, but declined to actively seek the nomination.

Romney's grandfather, a member of the Church of Jesus Christ of Latter-day Saints, had emigrated to Mexico in 1886 with his three wives and their children, after the U.S. federal government outlawed polygamy.

[141] Questions were occasionally asked about Romney's eligibility to hold the office of President due to his birth in Mexico, given an asserted ambiguity in the United States Constitution over the phrase "natural-born citizen".

Reagan's margin in California gave him a plurality of the nationwide primary vote, but when the Republican National Convention assembled, Nixon had 656 delegates according to a UPI poll (with 667 needed for the nomination).

Total popular vote At the 1968 Republican National Convention in Miami Beach, Florida, Reagan and Rockefeller planned to unite their forces in a stop-Nixon movement, but the strategy fell apart when neither man agreed to support the other for the nomination.