diff --git a/.mailmap b/.mailmap
index 5662907cca08e..7700ba1f4aad2 100644
--- a/.mailmap
+++ b/.mailmap
@@ -94,3 +94,9 @@ Steven G. Johnson <stevenj@alum.mit.edu> <stevenj@mit.edu>
 
 Isaiah Norton <isaiah.norton@gmail.com> <isaiah.norton@gmail.com>
 Isaiah Norton <isaiah.norton@gmail.com> <inorton@bwh.harvard.edu> 
+
+Blake Johnson <blakejohnson04@gmail.com> <blakejohnson04@gmail.com>
+Blake Johnson <blakejohnson04@gmail.com> <bjohnson@bbn.com>
+
+Marcus Silva <marcus.ps+github@gmail.com> <marcus.ps+github@gmail.com> 
+Marcus Silva <marcus.ps+github@gmail.com> <msilva@bbn.com>