There are 2 Albert E Ryan Families with Jrs. One SR b. abt 1884 NY, JR is born abt 1917 in NY living in Kings Co. NY in 1920 and 1930 with wife/mother Irene. The other SR is b. abt 1886/87 in NF (Canada), Jr. is b. abt 1912 in MA, living in Middlesex co MA in 1920, 1930 with wife/mother Gertrude.
Draft Regestration Cards 1942/1918
Albert E. Ryan B. June 20, 1884 in Brooklyn, NY Living in Kings Co. NY---NOK (wife) Irene Ryan WWI-Albert Edward Ryan June 20 1884 wife Irene filed in Kings Co. NY 1918
WWII-Albert Ernest Ryan b. May 15, 1886 in Pouch Cove New Foundland living in Stafford Co. NH---NOK Gertrude Ryan WWI-Albert Ernest Ryan b. May 18, 1886 wife Gertrude Ryan living in Norfolk MA filed Canton City MA 1918 (signed Albert Earnest Ryan, also listed as Albert Earnest in 1920 MA census))
The Albert E Ryan Jr b. 1917 that enlisted October 2 1941 at Fort Dix NJ and is buried in Calverton National Cemetery is probably Albert Edward Ryan Jr b. Kings Co. NY. There is a Rosemary F. Ryan (wife) buried with him d. 1989.
There is also another Albert E. Ryan b. 1902/03 s/o an Edward Ryan living in Middlesex Co. MA 1930 census and this could be the Albert E. Ryan b. 1902 enlisted Nov. 2 1942.
In the Social Security Death there is a Albert Ryan b. Jan 22, 1911 d. Sept 1983 card issued in MA last address Tarpon Springs, Pinellas Co. FL
I would look at the obituaries to clear up who is who.