Did your Henry Edward LeBeau,by chance have a brother or father named named Edward Andrew leBeau?
I have a Henry LeBeau whose first wife was Lucy Swimmer.She died 1911.Their children were Richard LeBeau,and Adelia LeBeau.
this Henry's is second or third spouse was Edith ?. Their children were Homer,and Zelda.
He also was wed to Rosa Hopkins,whom he wed in 1912,and they separated in 1923.They had 4 children,the youngest-Alma died young.
Henry had a 1/2 sib.named Andrew LeBeau.
(Reference:1935 SDERA Survey Cheyenne River Ind.Res.)
is this your henry?