Searching for further info on family of Henry Ferguson of Talbot Co. MD.

Henry Ferguson b. 1815 MD
      m. Ann___?___

      ch:  John W.  b. 1842
            Mary       b. 1844
            Thomas   b. 1848
            Sarah      b. 1849
            William    b. 1852

Looking for parents of Henry, wife's surname, any further info.
Have info on descendants to share.
Thanks, 

Subject: [Ferguson-L] Re: Ferguson of Talbot Co.MD
I have Henry Ferguson b. c1815; d. aft 1870; resided Talbot Co., MD.  Wife:
Ann, surname unknown.  Children: John W. b1842, m. 1867 Caroline FAIRBANK;
Mary; Thomas H.; Sarah E.; William; and James.  Anyone have any info on this family?
Bev

Anyone have any info on this family in Talbot Co. Maryland?
(There are the usual variations of spelling for Ferguson.)

Henry Ferguson b. c1815 MD, wife Ann;
Children:
John W.  b. 1842, m. 1867 Talbot Co. MD Caroline FAIRBANK;
Mary b. 1844;
Thomas H. b. 1846, m. Celia; ch: Ida May;
Sarah E. b. 1849, m. William ELMS, ch: Sarah;
William b. 1852;
James b. 1853.

Any info at all greatly appreciated.
Bev McNally