There is family history and information posted on the Clan MacLennan website. You can go to http://www.clanmaclennan-worldwide.com/usa/
. From this website you can access Clan MacLennan information from the USA, Canada, Australia, and Scotland. My name is Eileen MacLennan Johnson and I am currently the Clan Secretary here in the USA. Feel free to send me a message here on Ancestry and I can respond with additional information for you.