Descendants of Frederick Kama Keomaka Sr. used the last names "Moi", "Hussey" and "Keomaka". See notes on his mother Ellarene Kapapahaleonaalii Moi Kaawa information for more on names used in Waipio Valley in the Hussey and Keomaka ohanas.

Like his brother William, there was a period where Frederick Jr. was known as "Frederick Hussey".

Family Group Worksheet (Callejo) reports the following:
"Frederick, born with the last name Hussey. Mother married to Hussey. Hussey died, Keomaka lived with her. They had four kids and they grew up with the name Keomaka. Came to Honolulu, needed birth certificate to work. Birth certificate had Hussey, crossed out, and Moi written in as their last name.