ALLEN FAMILY: MARYLAND 1800s

Looking for genealogy information on Allen family originally from Scotland.First family record was Henry Lawrence Allen born in Darlington, MD.Married to Ellen Jasper (date unknown).She was killed accidently abt. 1880 and buried in Darlington, MD.There were five children born of this marriage:Richard, Henry, John, Addie, and George Thomas.Henry L. Allen and the five children moved to TX soon after Ellen's death and later moved to CA.