Deacon Robert LaCosse, 80, died May 1 in Marquette, Michigan. He was ordained in 1990 and served at St. Mary Parish, Buffalo Grove, before returning to the Upper Peninsula of Michigan, where he was born and raised, in 1999.

He served in the Marine Corps from 1957 to 1960 and returned home and married his wife, Janet, in 1962. The couple moved to Chicago the same year. Five years later, they moved to Buffalo Grove.

Deacon LaCosse was an accountant and financial planner for several Chicago-area companies.

He is survived by his wife, Janet; his children Jeffrey LaCosse, Scott LaCosse, Robert Michael LaCosse and Lee Ann LaCosse; six grandchildren; and his brothers Gene LaCosse and Stanley LaCosse.