The name Keilani is believed to have its origins in the Hawaiian language and culture. It is a relatively modern name, with no recorded instances prior to the 20th century. The name is thought to be a combination of the Hawaiian words "ke" meaning "the" and "ilani" meaning "royalty" or "heavenly." Thus, the name Keilani can be interpreted as "the heavenly one" or "the royal one."

While the name itself does not appear in any ancient Hawaiian texts or historical records, its meaning and components are deeply rooted in Hawaiian mythology and culture. The concept of royalty and divinity is central to many Hawaiian legends and traditions, with the Hawaiian islands being considered sacred and the home of gods and deities.

One of the earliest recorded instances of the name Keilani dates back to the early 1900s. Keilani Kamakahelei was a Hawaiian educator and activist who was born in 1892 and played a significant role in preserving and promoting Hawaiian language and culture during a time when it was facing suppression.

Another notable figure with the name Keilani was Keilani Ricketts, an American softball player who was born in 1991. She represented the United States at the 2008 Summer Olympics in Beijing, where the team won a silver medal.

In the world of entertainment, Keilani Arroyo is a Puerto Rican actress and model who gained recognition for her roles in various telenovelas and films. She was born in 1988 and has been active in the industry since the early 2000s.

Keilani Lusardi is an American artist and photographer known for her vibrant and colorful works. She was born in 1989 and her art has been exhibited in galleries across the United States.

Keilani Baker is a Canadian singer and songwriter who rose to prominence in the late 2010s with her debut album "Lani." She was born in 1995 and has garnered critical acclaim for her unique blend of indie and pop music.