Ruben/Reuben Keller was born in 1821 at Mifflin County, PA to Peter and Barbara Minich Keller. His name is listed mostly as Reuben on records, but a few, including the cemetery record lists Ruben.

Reuben died on May 6, 1894 at Reedsville, PA.

The Clinton Democrat, Thur., May 10, 1894.
Colonel Reuben Keller
Stricken With Paralysis and Dies At Reedsville.
Councilman P. P Rittman received a telegram on Monday announcing the death of his father-in-law, “Colonel” Reuben Keller, a gentleman who for many years resided in this city. Mr. Keller of late years has been residing at Osceola. A few days ago he left Osceola intending to visit relatives in Reedsville, Mifflin county, and then coming to this city. On Sunday, so far as known, he was in his usual good health at Reedsville, but during the afternoon he was stricken with paralysis. He lingered until 6 o’clock when he expired.
Reuben Keller was born and raised in Mifflin county. He first engaged in paper making, but afterwards became interested in the mercantile business, in the pursuit of which he established seven stores at various places. From 1859 to 1862 he served the counties of Snyder, Northumberland, Columbia and Union in the state senate. While acting as senator he was the recipient of a handsome gold medal which was given him by Philadelphia citizens for a service which he rendered them in his legislative capacity. In later years, Mr. Keller became a resident of Lock Haven during which time he had charge of the Pennsylvania house and afterwards the Montour house. He resided here until the death of his wife when he retired to private life. The latter part of his life has been spent at Osceola Mills.
Mr. Keller took an active part in politics, he being an ardent Democrat. He was a personal friend of ex-President Buchanan and after that gentleman was (? whole line faded out), great ox roast in honor of the victory. He also served as congressional conferee and presidential elector. He was a gentleman whom it was a pleasure to meet and his many friends in this city, as elsewhere will regret to hear of his death. He is survived by the following children; Mrs. Jacob Ritzman, Osceola Mills; Mrs. William Stuart, of Shamokin; Simon Smith, of Reedsville; Mrs. P. P. Rittman, this city; E. B. Keller, Leadville, Col.; Mrs. C. M. Howard, Rochester, N.Y.; Mrs. T. B. Leonard, Madison, Wis.; Mrs. Frank Richardson, Chipewa Falls, Wis.
The remains of the late Reuben Keller arrived in this city Monday night over the Bald Eagle valley railroad. The body was accompanied by the deceased’s two daughter, Mrs. Simon Smith, of Reedsville, and Mrs. Jacob Ritzman, of Osceola Mills. The funeral took place Tuesday afternoon from the residence of P. P .Rittman, Bellefonte avenue. Rev. C. B. Gruver conducted the services. A large number of old acquaintances of the deceased were at the house and followed the remains to the grave in Highland cemetery. The pall bearers were Coleman Grugan, George P. Shaffer, C. Scheid, J. Theilman, A. Xander and R. R. Reitenour.
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Of the children listed above:
Ancestry.com records;
Laura Keller Leonard born Dec. 15, 1853 Lock Haven, PA, died April 30, 1938 Chippawa Falls, Wis., husband Thomas B.

The Centre Democrat, Bellefonte, PA, Dec. 22, 1881, p. 1.
Our Howard friends enjoyed a very pleasant entertainment on last Friday evening, given by Miss Laura Keller, the talented young elocutionist of Lock Haven, assisted by Mr. J. F. Brown, and Misses Raub, Richmond and Berger, all of Lock Haven, who have interspersed Miss Keller's readings with delightful instrumental and vocal music. Miss Keller is a daughter of our old friend Col. Reuben Keller, formerly of Snyder county, and we remember to have notices that the young lady graduated with first honors both at the Lock Haven Normal School and at Prof. Shoemaker's School of Elocution in Philadelphia. Those who have heard her in Howard speak of her elocutionary powers in terms of the highest commendation and predict for her a brilliant future.
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PA State Senate:
Biography, Reuben Keller 1821 - 1894
Born near Reedsville, Mifflin County, 1821, the son of Peter and Barbara Minich Keller; pursued the newspaper business; was a merchandiser with seven store locations; blacksmith, and entered the hotel business in Adamsburg, Snyder County (Keller’s Hotel) before 1853. Reuben was a county convention (primary) nominee for the state House but withdrew his name, opting for the position of conferee for the county committee. He was elected to the state Senate, representing, Snyder County, 1859-1862; served as a congressional conferee and federal elector. Late in life he moved to Lock Haven, Clinton County, where he served as sheriff, operated the Pennsylvania House, and later, the Montour House; he retired from the hotel business after the death of his wife, Mary, then moved to Osceola Mills. He died at Reedsville of a stroke while visiting his son-in-law, May 13, 1894.
http://www.legis.state.pa.us/cfdocs/legis/
BiosHistory/

Ruben/Reuben Keller was born in 1821 at Mifflin County, PA to Peter and Barbara Minich Keller. His name is listed mostly as Reuben on records, but a few, including the cemetery record lists Ruben.

Reuben died on May 6, 1894 at Reedsville, PA.

The Clinton Democrat, Thur., May 10, 1894.
Colonel Reuben Keller
Stricken With Paralysis and Dies At Reedsville.
Councilman P. P Rittman received a telegram on Monday announcing the death of his father-in-law, “Colonel” Reuben Keller, a gentleman who for many years resided in this city. Mr. Keller of late years has been residing at Osceola. A few days ago he left Osceola intending to visit relatives in Reedsville, Mifflin county, and then coming to this city. On Sunday, so far as known, he was in his usual good health at Reedsville, but during the afternoon he was stricken with paralysis. He lingered until 6 o’clock when he expired.
Reuben Keller was born and raised in Mifflin county. He first engaged in paper making, but afterwards became interested in the mercantile business, in the pursuit of which he established seven stores at various places. From 1859 to 1862 he served the counties of Snyder, Northumberland, Columbia and Union in the state senate. While acting as senator he was the recipient of a handsome gold medal which was given him by Philadelphia citizens for a service which he rendered them in his legislative capacity. In later years, Mr. Keller became a resident of Lock Haven during which time he had charge of the Pennsylvania house and afterwards the Montour house. He resided here until the death of his wife when he retired to private life. The latter part of his life has been spent at Osceola Mills.
Mr. Keller took an active part in politics, he being an ardent Democrat. He was a personal friend of ex-President Buchanan and after that gentleman was (? whole line faded out), great ox roast in honor of the victory. He also served as congressional conferee and presidential elector. He was a gentleman whom it was a pleasure to meet and his many friends in this city, as elsewhere will regret to hear of his death. He is survived by the following children; Mrs. Jacob Ritzman, Osceola Mills; Mrs. William Stuart, of Shamokin; Simon Smith, of Reedsville; Mrs. P. P. Rittman, this city; E. B. Keller, Leadville, Col.; Mrs. C. M. Howard, Rochester, N.Y.; Mrs. T. B. Leonard, Madison, Wis.; Mrs. Frank Richardson, Chipewa Falls, Wis.
The remains of the late Reuben Keller arrived in this city Monday night over the Bald Eagle valley railroad. The body was accompanied by the deceased’s two daughter, Mrs. Simon Smith, of Reedsville, and Mrs. Jacob Ritzman, of Osceola Mills. The funeral took place Tuesday afternoon from the residence of P. P .Rittman, Bellefonte avenue. Rev. C. B. Gruver conducted the services. A large number of old acquaintances of the deceased were at the house and followed the remains to the grave in Highland cemetery. The pall bearers were Coleman Grugan, George P. Shaffer, C. Scheid, J. Theilman, A. Xander and R. R. Reitenour.
-----
Of the children listed above:
Ancestry.com records;
Laura Keller Leonard born Dec. 15, 1853 Lock Haven, PA, died April 30, 1938 Chippawa Falls, Wis., husband Thomas B.

The Centre Democrat, Bellefonte, PA, Dec. 22, 1881, p. 1.
Our Howard friends enjoyed a very pleasant entertainment on last Friday evening, given by Miss Laura Keller, the talented young elocutionist of Lock Haven, assisted by Mr. J. F. Brown, and Misses Raub, Richmond and Berger, all of Lock Haven, who have interspersed Miss Keller's readings with delightful instrumental and vocal music. Miss Keller is a daughter of our old friend Col. Reuben Keller, formerly of Snyder county, and we remember to have notices that the young lady graduated with first honors both at the Lock Haven Normal School and at Prof. Shoemaker's School of Elocution in Philadelphia. Those who have heard her in Howard speak of her elocutionary powers in terms of the highest commendation and predict for her a brilliant future.
-----
PA State Senate:
Biography, Reuben Keller 1821 - 1894
Born near Reedsville, Mifflin County, 1821, the son of Peter and Barbara Minich Keller; pursued the newspaper business; was a merchandiser with seven store locations; blacksmith, and entered the hotel business in Adamsburg, Snyder County (Keller’s Hotel) before 1853. Reuben was a county convention (primary) nominee for the state House but withdrew his name, opting for the position of conferee for the county committee. He was elected to the state Senate, representing, Snyder County, 1859-1862; served as a congressional conferee and federal elector. Late in life he moved to Lock Haven, Clinton County, where he served as sheriff, operated the Pennsylvania House, and later, the Montour House; he retired from the hotel business after the death of his wife, Mary, then moved to Osceola Mills. He died at Reedsville of a stroke while visiting his son-in-law, May 13, 1894.
http://www.legis.state.pa.us/cfdocs/legis/
BiosHistory/