Taitum is a modern form of Tatum, from an English surname often explained as Tate's homestead.
Taitum is a modern spelling variant of Tatum, a name with firmly Old English roots. As a surname, Tatum derives from a locational name meaning "Tata's homestead," with tun being the Old English word for an enclosure, settlement, or farm. The personal name Tata, which gives the compound its first element, was a common Anglo-Saxon hypocoristic — a pet-form name of the sort used in intimate family speech.
For centuries Tatum lived quietly as a surname across England and America before crossing into given-name territory in the 20th century. The surname-to-forename transition owes much to Tatum O'Neal, who in 1974 became the youngest competitive Academy Award winner in history at age ten, taking Best Supporting Actress for Paper Moon. Her father, actor Ryan O'Neal, gave her his own mother's maiden name as a first name — a classic American practice of preserving family surnames in the next generation.
The name's unusual sound and strong consonant blend made it memorable, and it began appearing on birth certificates with increasing frequency through the 1980s and 1990s. The spelling Taitum — with its long "ai" digraph — reflects the contemporary appetite for phonetic respelling that makes names feel visually fresh while preserving the sound parents love. Like Jaiden for Jayden or Kaitlyn for Caitlin, it is a 21st-century reinvention rather than a departure.
The name carries a quiet mid-American solidity, a hint of the frontier (homestead, land, settlement), and through O'Neal, an association with precocious talent and early fame. It has grown in popularity as a name for girls, celebrated for its two-syllable rhythmic confidence.