Iron Mike... I googled your Elijah and found some stuff (not all of it is your elijah, but it is interesting)...
http://genforum.genealogy.com/cgi-bin/pageload.cgi?elijah::g... - Elijah Geiger b. 18Jan1845, probably Schuylkill or Berks Co., PA? He married Mary Moser/Moses/Moyer b. 03Dec1847...in Auburn, Schuylkill Co., PA in 1870. They had a son William Geiger b. 16Dec1869. This family moved to Dauphin Co., Harrisburg 1877-78 time period.

Biographies from Historical and Biographical Annals by Morton Montgomery
(III) George Zerr, third child of Jacob, was a farmer at Geigertown in Union township, where he died in 1872. In his will he valued his 130-acre farm at $6,000, and this he bequeathed to his son, Jacob G. By occupation George Zerr was a linen weaver. His will made July 14, 1869, is recorded in Will Book 12, page 455. His children were: Jacob G.; Christina m. Elijah Geiger; Hannah m. Jacob Kachel; Mary m. Joseph Geiger.

LAWS PASSED SESSION 1815/16
HARRISBURG, PA.
SIMON SNYDER, Governor
REES HILL, Speaker of the House of Representatives
JOHN TOD, Speaker of the Senate.

65. An act to incorporate a company to erect a bridge over the river Schuylkill, near Lewis' ferry, Berks county.
That MATHEW BROOK, WILLIAM MOORE, PAUL GEIGER, CURTIS LEWIS, WILLIAM HIGH, ABRAHAM YOST, ABRAHAM BROWER SEN., and ELIJAH GEIGER, of Berks county, are hereby appointed commissioners to erect the bridge, and
DANIEL LIMEBACH and ABRAHAM KNABB of Oley twp., DANIEL LEVAN and BENJAMIN SCHNEIDER, of Exeter twp., JOHN STROHECKER, of the borough of Reading, SAMUEL BAIRD, of Montgomery county, and JOHN MILLER, of Sinking
Spring, are appointed commissioners to fix on the site or spot where the bridge shall be erected. 28 Feb 1816.