Until, ‘til and till

Until, ‘til and till
Our discussion today is about the use of these words started in our writers group one evening when one of the members was reading a Nordic tale he written and his sentence read something like, “Wait till Papa comes home.” While this member insisted that his use of “Till” was proper, most of us disagreed.  Since the long form of the sentence is, “Wait until Papa comes home.” Most of us felt the proper form should have been,  “Wait ‘til Papa comes home.”, a truncation of until, with the missing un marked by an apostrophe.
Open-and-shut case. Except that it’s not and it’s been bothering me. I had some spare time, do I did a little research.  I had seen people use till in that context? Why would they do that? I looked the word Till up and found a completely different meaning.

As a verb: tilled, till·ing, tills-- To prepare ones land for the raising of crops, as by plowing and harrowing; cultivate.

First off, let’s look at some proponents of each form: ‘Tils:
A Narrative History of Black Power in America:  Waiting ‘Til the Midnight Hour
Aimee Mann’s 80s band, ‘Til Tuesday, Aimee Mann, an American rock singer-songwriter, guitarist and bassist, best known for fronting the Boston New Wave band.
Brad Garrett’s follow-up to Everybody Loves Raymond  ‘Til Death.
In these titles the un is left out and the apostrophe is inserted to indicate shorting of the word ‘Until’

Use of Till
Tills:
The British sitcom Till Death Us Do Part,(Surprise! it’s the Brits again.) paved the way for our American Sitcom All in the Family 
American Movies (1940, 1944, 1946,) Till we Meet Again,(Talk about remaking a movie different stars, different plots."Hollywood will remake movies until they get it wrong.")  From Dusk Till Dawn,  (Some writers and film makers on this side of the pond never get the word.)

As I once told my writers group, Shakespeare may have used English masterfully, but it took the Irish to make it musical. So when penning Irish dialogue, words truncated are written this way
'Tis, It is.
'Twill, It will.
'Twould it would.

Til is hard to find attestations of — people seem to be pretty good at remembering to put apostrophes at the words when the first syllable is removed.) So why would anyone spell it till if it’s coming from until? Well, it turns out that till isn’t derived from until.  Till and ’til are actually two different words with two different etymologies. Till is the earlier form, attested as early as 1330; Until is actually derived from till, not the other way around as in ’til (a back formation which showed up much later).  Both are common, so it’s up to you which one you like.  Till is commoner in Scotland, where it can be used like dative to in some situations, while ’til is commoner in the U.S.  Take your pick, but for me 'Til is the proper substitute for the word until.