I came across this obit today but have no other information on this family.
Unfortunately the date of the obit is not clear in the database.
From Pennsyvania Scrapbook Necrology, v. 11, p. 133:
[ The date is not clear in the image; retrieved July 31, 2007, from Juniata
College Historical Newspapers Collection,
ANOTHER VETERAN GONE
And With Him Ends and Old and Respected Pittsburg Family
Edward W. Sackett, who served throughout the war as a private in Company E,
One Hundred and Fifty-fith Regement, Pennsylvania volunteers, died this
morning at his residence, No. 145 1/2 Rush Street, Allegheny, from Bright's
disease, after an illness of eight weeks. Comrade Sackett participated in
all the campaigns of the army of the Potomac, and was wounded at the seige
of Petersburg. He was born in the Eight ward, Pittsburg, the last surviving
son of the late Rev. C. Sackett, who was well-known as an early teacher and
afterwards as a minister in Pittsburg.
Comrade Sackett's mother died on the 7th of last month, he being unable
through sickness to attend her funeral. The deceased was a journeyman
printer. He never married and his death marks the end of a well-known
Pittsburg family of 32 years ago, his only brother, the late Capt. Joseph B.
Sackett, dying during the war, and Harry W. Sackett, a well-known
businessman of this city, having died about 10 years ago. Comrade Sackett's
funeral will take place from his residence on Sunday at 2 P. M., to procede
to Uniondale cemetery.