With a little help from Don, Sue, and Thomas on the McGruder Forum, I finally solved another riddle in my wife's side of my research with her Magruther ancestors.
Apparently their name was spelled McGruther in Scotland and on the Passenger ship to USA. I found them on the Anchoria dated 6 Aug 1884 under the McGruther name. The spelling was changed to Magruther by US Immigration and it was too difficult for them to change it back. The husband and wife lived in USA till the day they died as Magruther and neither became US Citizens. The Magruther'smoved from New York to Maryland in 1891, but moved around quite a bit in the Baltimore and DC area. Both William and Victor were signed up for WWI and WW2 Draft and in Military during WW1 and William and Mary became citizens.
John Victor (McGruther) Magruther was born in 1863, Georgia (McGruther) in 1865, Mary (McGruther) Magruther in 1881, and William John (McGruther) Magruther on 25 Aug 1882. Their other children Georgia and John were born with the Magruther name in Baltimore Maryland in 1891 and 1893.
A simple typo of an a for the c did this or poor hand writing. No intentional mis-spelling seems to be the reason.