I found a Margaret Wall, b. 22 May 1866 d. 23 Sep 1948, m. 1890 in New York to Wm Pickett b.10 Sep 1846 and d. 29 May 1937. They had 5 children. William was previously married and had children with Georgiana Livingston. Margaret immigrated in 1889.
Margaret fa. Patrick Wall b 1821 and mo. Hanna Maher b. 1826 had 5 children including Margaret, William, Ann, James, and Stellia Wall.
If this fits with what you are looking for I can send Pedigrees to help guide you.