Kelcey J. Snowdeal and Samuel C. Allen of Detroit, Mich., wish to announce their engagement. Kelcey is the daughter of Jessica and Jason Snowdeal of Blue Hill. Samuel is the son of Janeanne and Michael Allen of Brooklin. Both are graduates of George Stevens Academy. Kelcey is a graduate of the Masters of Education program at the University of Maine and Samuel is a graduate of the Masters of Mechanical Engineering program at Worcester Polytechnical Institute. No wedding date has been set.