Looking for the title, artist and/or lyrics to an old song.  Some of
the words were, "I cried so many endless nights just holding my pillow
tight. And you came into my lonely days with your tender love and
ways."

Hello.

Song: Heaven Must Have Sent You 
Original artists: The Elgins (1966)
Remake artist: Bonnie Pointer (1978)
Written by: Brian Holland, Eddie Holland & Lamont Dozier

"I've cried through many endless nights
Just holding my pillow tight
Then you came into my lonely days
With your tender love and sweet ways"
... Complete lyrics available at:
http://www.thepeaches.com/music/randb/HeavenMustHaveSentYou.txt
Also at:
http://stlyrics.com/lyrics/54volume2/heavenmusthavesentyou.htm

Sound samples:
Hitsville USA: The Motown Singles.
Disc 2
Track 27. Heaven Must Have Sent You - The Elgins
Available from Towerrecords.com:
http://www.towerrecords.com/product.aspx?pfid=1042216&cc=USD
54-Music
Track 3. Heaven Must Have Sent You - Bonnie Pointer
Available from Towerrecords.com:
http://www.towerrecords.com/product.aspx?pfid=1367611&cc=USD

search strategy:
"holding my pillow tight", "lonely days"
"holding my pillow tight", "lonely days", elgins

I hope this helps.

Thanks for such a fast and thorough response!

Thank you for the tip.
-juggler