Would someone translate this for me plz?

[MAINEYUSA]

This is beautiful, but I don't understand it.

Thankyou
Brenda

[Little Nell]

It is not Gaelic.

What I can make out:
... .... Sabath? the ... last of may .....
.... ..... day George Boyd son lawfull ................
and Elizabeth Johnstoun was baptized ?by ....
.....

It's difficult near the margins 

Nell

In the column on the left, I can't read the first line, but then it says "the whole congregation"

[JAP]

Just to add a couple of words to Nell's post.
At airth Sabath the Last of may 1691 .....
The 9th qlk day Georg boyd Son Lawfull .....
and Elizabeth Johnstoun was baptized by ...
Whyt

The first line in the column to the left reads:
Witneses

JAP
Edited to correct my error; many thanks to Aberdeen Archives - see post below.

[MAINEYUSA]

Thankyou so much!!!  I didn't have his mothers name, and this is great.  The writing is sooooo beautiful.  Thankyou for your help.

Brenda

[JAP]

Hi Brenda,

I've just checked the IGI at:
http://www.familysearch.org
and the baptism is there.

Georg BOYD, bap 31 May 1691, Airth Stirlingshire, parents Robert BOYD & Elizabeth JOHNSTOUN

Regards,

JAP
PS: The writing is Secretary Hand.
If you look up Old Handwriting in the Lexicon of Genealogical Terms & Abbreviations at:
http://surname.rootschat.com/lexicon/index.php
you will find references to threads with information about Secretary Hand.

[MAINEYUSA]

Thanks JAP.  I had checked there but somehow must have missed it.

Brenda

[Aberdeen Archives]

I think it says "The quihlk day", rather than the 9th, it's just abbreviated.

[JAP]

Hello Aberdeen Archives,

You are, of course, right.  I'm embarrassed.    

I've edited my earlier post.

Many thanks!

JAP
PS: Brenda, quhilk (variously spelled and commonly abbreviated) means which.

[MAINEYUSA]

Thanks for all the help.  I feel very lucky to have this baptism, given the date.  Have been looking for this for a long time.  A branch of this family ended up in Virginia USA.

Brenda