The name Hart has seen varied popularity over the years, with significant peaks and valleys in its annual birth counts. The earliest data available is from 1888, when there were 6 births. The number of births fluctuated in the early 1900s, ranging from 5 to 9 per year. However, a notable spike occurred between 1917 and 1924, with birth counts varying between 7 and 12 each year.
After World War II, the name Hart's popularity seemed to wane again, with fewer than 10 births recorded annually until 1954. From then on, there was a gradual increase in popularity, reaching double digits consistently by the late 1960s. The 1980s and 1990s saw further growth, with peaks of up to 15 births per year.
The new millennium brought continued popularity for the name Hart, with birth counts ranging from a low of 5 in 2002 to a high of 51 in 2022. Overall, there have been a total of 1111 births recorded over the period spanning 1888 to 2023.