Micajah was born in 1764. He was the son of Benjamin Ingalls. He passed away in 1796.
Sources
"Massachusetts Births and Christenings, 1639-1915", database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FZK7-RBC), Micajah Ingalls, 1764. Father's Name: Benjamin Ingalls Mother's Name: Rebeccah
Find a Grave, database and images (https://www.findagrave.com/memorial/67196477/micajah-ingalls : accessed 05 December 2021), memorial page for Capt Micajah Ingalls (10 Nov 1764–20 Jan 1796), Find a Grave Memorial ID 67196477, citing First Parish Burying Ground, Newbury, Essex County, Massachusetts, USA ; Maintained by John Glassford (contributor 47271570) .