Starting coordinates will take you to a little brown church we recently discovered in Sunol. Unfortunately, no one is allowed inside at this time but it's still worth a visit. Take note of the name and dates on the sturdy bench outside and use the information to solve for the final coordinates.
Final located at N37 3A.BCD, W121 5E.FGH where
A = Month Sam left this world + 1
B = How old was old Sam (2nd digit)
C = Sum of digits in the year Sam died (2nd digit of sum)
D = Sam's Last Name (1st letter)
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E = The Day old Sam left this world.
F = The Year Sam was born (4th digit)
G = The Day Sam was born (2nd digit)
H = Year Sam left this world (3rd digit - 1)
*** Congrats to BlooeyBug (and dad) for their FTF. Tell Dad to provide matching funds in your piggy bank 
. ***