Root — English (chiefly Leicestershire)
Meaning — Variant of Hubert - German, Dutch, English, French, and Jewish (Ashkenazic): from a Germanic personal name composed of the elements hug: heart, mind, spirit + berht: bright, famous. The name was borne by an 8th-century bishop of Maastricht who was adopted as the patron of hunters, and helped to increase the popularity of the personal name, especially in the Low Countries.

Root — German
Meaning — Status name based on Middle High German huobe, a measure of land, varying in size at different periods and in different places, but always of considerable extent, appreciably larger than the holding of the average peasant. The surname usually denotes a holder or owner of this amount of land, who would have been a prosperous small farmer and probably one of the leading men of his village. This name is widespread throughout central and eastern Europe, not only in German-speaking lands.

Root — English
Meaning — Pejorative derivative of Hugh. This surname is also established in Ireland, where MacLysaght believes it to be in part of French (Huguenot) origin.

Root — Dutch and German
Meaning — 1. From a pet form of Humbert or Humbold (a compound name with the same first element + bold: bold, brave.
2. German, Dutch, and Danish (of German origin): nickname for a busy or bustling person, from Middle High German hummel, Middle Dutch, hommel: bee, of imitative origin. Compare English humblebee, which in modern English has become bumblebee.

Root — Irish: variant of Herlihy
Meaning — 1. Irish (Munster): Anglicized form of Gaelic  hUrthuile, descendant of Urthuile.
2. Irish: Anglicized form of Gaelic  Murthuile, descendant of Murthuile. English: habitational name from places in Berkshire and Warwickshire so named from Old English hyrne: corner, bend + Leah: wood, clearing.

Root — English
Meaning — 1. Topographic name for someone who lived on a wooded hill, Old English hyrst, or habitational name from one of the various places named with this word, for example Hurst in Berkshire, Kent, Somerset, and Warwickshire, or Hirst in Northumberland and West Yorkshire.
2. Irish: re-Anglicized form of de Horsaigh, Gaelicized form of the English habitational name, Horsey, established in Ireland since the 13th century. 3. German: topographic name from Middle High German, hurst: woodland, thicket.

Root — German and Jewish (Ashkenazic)
Meaning — 1. Occupational name for a hatter from an agent derivative of Middle High German, huot: hat, Yiddish, hut, German, hut, hat.
2. German (H¸tter): topographic name from Middle High German, h¸tte: hut.
3. English: when not of German origin (see above), perhaps a variant of Hotter, an occupational name for a basket maker, Middle English, hottere; the same term also denoted someone who carried baskets of sand for making mortar. Alternatively it may have denoted someone who lived in a hut or shed, from a derivative of Middle English, hotte, hutte: hut or shed.

Root — Scottish, Northern English
Meaning — Habitational name from any of the numerous places so called from Old English hoh: ridge, spur + tun: enclosure, settlement.