Alexander McArthur was born on Jan 29, 1798 (This is ALEXANDER McArthur. Knew Daniel 20 years. So could be his son. as the first child of Daniel McArthur Sr and Lydia Wilson). He had two siblings, namely: John, and Daniel Jr. He died on Aug 04, 1833 in Philadelphia, Philadelphia, Pennsylvania, USA (1828 in Ancestry records is wrong). When he was 24, he married Mary Ann Wills,daughter of Joseph Wills and Mary, on Nov 07, 1822 in Philadelphia, Philadelphia, Pennsylvania, USA (St. Mary's by Rev. Hogan).

Alexander McArthur lived in East Southwark, Philadelphia, Pennsylvania, USA in 1830 (Prob. him, right area). He lived in Philadelphia, Philadelphia, Pennsylvania, USA in 1833 (582 S 2nd N of Catherine St. Union Cem. rec.). He was buried on Aug 11, 1833 in Philadelphia, Philadelphia, Pennsylvania, USA (Union Burial Ground Lot L plot 13 is HIM. Moved to Phila Mem. Park.). He signed his will on May 03, 1849 in Chester, Delaware, Pennsylvania, USA (1840 Archibald admin. Has to be him. Why so late?).

Alexander McArthur and Mary Ann Wills had the following children:

Archibald McArthur was born about 1810 in Pennsylvania, USA. He died about 1870 in Philadelphia, Philadelphia, Pennsylvania, USA. He married an unknown spouse on Oct 03, 1850 in Philadelphia, Philadelphia, Pennsylvania, USA (Marr lic. Scots Ch. Isabella Simpson).
Lydia Ann McArthur was born on Jun 25, 1825 in Philadelphia, Pennsylvania, USA (Age 25 on death cert.; Ancestry tree; unsubstantiated.). She died on Aug 20, 1850 in Philadelphia, Philadelphia, Pennsylvania, USA (Sohipa in February! Lydia Lush, "dis. of heart"). She married John F Lush Jr. in Southwark, Philadelphia, Pennsylvania, USA (Bef. 1847?).
Joseph W McArthur was born in Oct 1831 (Death notice). He died on Feb 04, 1850 in Philadelphia, Philadelphia, Pennsylvania, USA (Death notice; Undertaker made coffin 4 J McArthur on John F Lush's account).