Here's family group sheet from the Lyon(s) Families Association database. Sorry, no ancestry for Alexander.
http://freepages.genealogy.rootsweb.com/~lyonfamilies/
Father Alexander LYONS-55949
Birth 1784 Pine Creek, Jefferson Co., PA

Death
Burial
Marriage abt 1820 Jefferson Co., PA

Father
Mother
Mother Mary FYE-55950
Birth 20 May 1802

Burial 1877 Clearfield Co., PA

Death 28 Sep 1877 Brady, Clearfield Co., PA

Father
Mother
Other spouse George MASON-94586 ( - )
Children
M Henry LYONS-59719
Birth 3 Mar 1826 Pine Creek, Jefferson Co., PA

Death 7 Oct 1913 Winslow, Jefferson Co., PA

Burial

Spouse Ellen FYE-59720 (1831-1904)
Marriage abt 1850

M John LYONS-55947
Birth 26 Sep 1831 Beechwoods, Jefferson Co., PA

Burial 1926 Butler Co., PA

Death 10 Jul 1926 Jackson, Butler Co., PA

Spouse Catherine Ann Mary HOOVER-55948 (1836-1911)
Marriage 12 Jan 1854 Jefferson Co., PA