1: Oddr Þiálfason -New Heraldic Title
OSCAR finds the name registered exactly as it appears in November of 2013, via An Tir.
Language/Culture (Old Norse) most important.
Meaning ("cunningness" as a virtue, ie the heraldic title "Cunning Herald") most important.
Submitter is from Madrone
Cunningness ("Cunnyng") is a virtue of heralds, from "The Othe of the Kynges of Armes in their Creacion", found in The Black Book of the Admiralty, vol 1 pp295-297, by Sir Travers Twiss, where it is found on p296: "Secondly, ye shal doo your trewe devoire to be everry day more comyng", with a footnote that "connyng" or "cunnyng" is probably intended
[ www.google.com ] ).
"Kunnandi" is the participle form of the Old Norse "kunna", the virtuous sense of "to be cunning" found in Cleasby-Vigfusson at https://cleasby-vigfusson-dictionary.vercel.app/word/kunna. Participle seems appropriate for a heraldic title.
"kallari" is the masculine form of "crier" or "herald" (https://cleasby-vigfusson-dictionary.vercel.app/word/kallari).