She went on to serve as the Vice-Chairman of the New Jersey Republican State Committee and unsuccessfully ran for the US Senate in 1928.

[citation needed] In 1910, Clara Laddey, President of the New Jersey Woman Suffrage Association appointed Feickert to serve as the organization's enrollment chairman.

She served in this capacity for two years, quadrupling membership with a series of door-to-door campaigns and rallies during this time, and was consequently elected president of the association in 1912.

[3] Feickert was chosen as the leader of the New Jersey suffrage movement and represented them in attempts to gain the right to vote.

At the same time, she was also appointed treasurer of the New Jersey League of Women Voters, a position she left approximately a year later due to a difference of opinion regarding the direction the organization was headed.

With more time on her hands, Lillian began focusing her attention on the New Jersey Women's Republican Club, of which she was president.

[4] She received 26,029 votes out of 574,294 cast in the Republican primary, being defeated by the eventual winner of the general election, banker Hamilton F.