Osie is of American origin, derived from the Old Germanic name Oswald, which means "divine power." It was popularized in the United States during the mid-20th century and has since maintained a consistent presence in baby naming trends. The name Osie is often associated with warmth, approachability, and a unique charm that sets it apart from other names of similar length or origin.
"Osie appears to have been a popular name at the turn of the century, with over 200 births recorded between 1900 and 1920 alone. However, its popularity declined significantly after the 1930s, with less than ten births per year from 1940 onwards. The most popular years for the name were 1915 (22 births) and 1927 (21 births), while the least popular was 1884, with only six births recorded that year."