For this Trevor Jeffrey there are 2 different names on Yasni.
In the ranking of the most common first names Trevor Jeffrey is on position 4589.
Male first name (English, Welsh): Trevor, a big village, Welsh (surname as first name), tref = village; mawr = big, from a family name, which in turn goes back to a Welsh place name with the meaning 'big village'
Male first name (English): Jeffrey, German American (two-part name); gawja = the district, the area; walah = the stranger; friduz = peace, protection, old Germanic two-part name, the Old French form was popular, probably a mixture of several name with the first elements 'gawja' (Gau, area) and 'walah' (the stranger); early with 'Gottfried' confused