"Celt" Conjecture

[cagwinn]

So, 'Celt-names' do not seem to occur among pre-Roman names so far (agreed Chris?),

No. Vercingetorix's father Celtillus was born (and named) well before the Roman conquest. The Celtici tribe of Spain bore this name before the Roman conquest. The name Kelti was inscribed on a stone in Iberian script along with numerous other Celtiberian graffiti in Peñalba, Spain and a tombstone from Langa de Duero:, Spain bears a Celtiberina inscription with a name on it that can be read as Keltis.

This is not controversial stuff, folks. No serious scholars question that *kelt- is a Celtic root word, or that some tribes in Gaul and Spain used it as an ethnic term.