Changing its name to the current form after just one year, the Knights of Lithuania organization grew to peak in size and influence in the mid-1920s, when its membership approached 5,000 and its local councils exceeded 100.

Open to both women and men from its first years, as immigration from Lithuania halted and its membership grew older, the age requirements of the group's early days were dropped.

Despite its numerical decline and evolution into an English-speaking organization, the Knights of Lithuania has nevertheless managed to survive into the 21st century, with a continued focus upon educational, cultural, and religious activities for Lithuanian-American young people.

[1] This call was subsequently echoed in the pages of the conservative Lithuanian-language press, gaining the support of a number of prominent Catholic leaders and further inspiring Norkūnas in his efforts.

[2] It was only in 1959 that the organization's bias against inter-ethnic marriage appears to have been finally laid to rest through the introduction of associate memberships to the non-Lithuanian spouses of Knights of Lithuania members.

[2] While these demographic changes negatively impacted the size of the organization and watered down its nationalistic orientation, it nevertheless survived as an educational and cultural entity, through the promotion of language training, choral and dramatic performances, craft displays, and ethnic dinners.