I found these statistics about Viet Nam veterans from the Vietnam Memorial Wall:
There are 58,267 names
now listed on the wall, including those added in
The names are arranged in the order in which they were taken from
us by date and within each date the names are alphabetized.
The first known
casualty was Richard B. Fitzgibbon, of North Weymouth, Mass, listed by the
U.S. Department of Defense as having been killed on June 8, 1956. His name
is listed on the Wall with that of his son, Marine Corps Lance Cpl. Richard
B. Fitzgibbon III, who was killed on Sept. 7, 1965.
casualties for a single day occurred on January 31, 1968 ~ 245 deaths.