The following information is being posted in the hope it will help someone else in a search as well as possibly leading to more information for myself. Special thanks to Robert Guynn for his assistance.
LANCASTER COUNTY, PA. CENSUS 1880Samuel DelboE.D. #119,page 36, line 45 Darius DelboE.D. #162,page 18, line 16 Francis J. Dellbo (sic) E.D. #177, page 33, line 46
1870Darius DelboWarwick Township, page 356 Samuel DelboWarwick Township, page 353
1860Pharus DelboWarwick Township, page535 Francis Delbord(sic) Petersb. Township, page 282
1850Francis Delbord(sic) East Hemp. Township, page 158
1840Francis DelboWest Hemp. Township, page 194 John DelboEast Donegal Township, page 120
1830Hohn Delbough(sic) East Donegal Township, page 074 Francis DelboWest Hemp. Township. page 327 Francis Delbaugh(sic) Marietta Township, page 063