Origin of irrespective
Examples from the Web for irrespectively
Irrespectively of the evidence in this case you would not have thought him to be a man likely to commit such a crime?Phineas Redux|Anthony Trollope
This seems to show how potent are the conditions of life, irrespectively of the variations being in any way beneficial.More Letters of Charles Darwin|Charles Darwin
And then individually to himself, Kenelm, irrespectively of the Three Fishes,—what a humiliation!Kenelm Chillingly, Complete|Edward Bulwer-Lytton
If I profit on the transaction of buying 1000 quarters of wheat for gold, I do so irrespectively of all other exchanges by others.Speculations from Political Economy|C. B. Clarke
1620s (implied in irrespectively), "disrespectful," from assimilated form of in- (1) "not, opposite of" + respective. Meaning "without taking account of (something)" is from 1690s. Main modern use is adverbial ("irrespective of"), attested from 1839.