Meaning and Name Origin
Kailah \ka(i)-lah\ as a girls' name means "the laurel crown; style; slim and fair". Kailah is a variation of Kaila (Hebrew, Hawaiian). Kailah is also a variation of Kayla (Irish, Gaelic): from Caoilainn.
Kailah is an unusual given name for women. Kailah is also an uncommon surname for all people. (2000 U.S. Census)
Below is a graphed analysis of the usage of Kailah and associated names. Calla, Cayla, Kaela, Kaila, Kayla (#102 in 2014), Kaylah, Kaylie (#517), Kaylin (#547), Kaylyn and Keyla (#867) are the prominent related forms of Kailah (#unlisted). Adoption of these girl names reached its most widespread in the year 1999 and has become much lower since, with the versions Cayla, Kaela, Kaila, Kaylah and Kaylyn becoming somewhat dated. Kayla (#102), Kaylie (#517) and Kaylin (#547) are three of the more chic girl names among these. (Top 1000 Baby Names Statistics, 2014)
Kailah is alike in pronunciation to Kailee▼, Kailey▲, Kaili, Kailie, Kala▼, Kaleah, Keila, Keilah and Kylah. Other recommended similar baby names are Kailan, Kalilah, Kamilah, Karlah and Nailah. These names tend to be more commonly used than Kailah.