He also owned a warehouse in Conowingo and worked in the hay, grain and feed business.
[1] Andrew served in the Maryland House of Delegates, representing Harford County, from 1904 to 1906.
[2] He served in the Maryland Senate, representing Harford County, from 1910 to 1912.
[3] In October 1917, Secretary of War Newton D. Baker appointed Andrew to a committee on awards to value the land the War Department purchased for the construction of Aberdeen Proving Ground.
[4] In 1883, Andrew married Julia Ann Jackson of Baltimore County.