Hi Vernon,
Why a "doubtful Mary"?
I suspect that Frank Beaumont married Mary Emma Heaton in the December Quarter, Huddersfield Registration District in 1886 Volume 9a page 606 .
www.lancashirebmd.org.uk births has amongst others:
Alonza Beaumont born 1891 Burnley
Oscar Vernon Beaumont born 1892 Burnley
1891 Census:
11 Stafford Street, Burnley
Frank Beaumont, Head, Mar, 28, Bookstall Clerk, Paddock Huddersfield,
Mary, Wife, Mar, 27, Manchester
Hilda, Daur, 3, Burnley
Dennis, Son, 1, Burnley
Alonza, Son, 3 weeks, Burnley
Ann Stell, Nurse, Married, 42, Monthly Nurse, Burnley
1901 Census:
26 Rockfield Road, Walton on the Hill
Frank Beaumont, head, Married,38, Dairyman, Own Account, Yorkshire Huddersfield
Mary E, Wife, Married, 36, Manchester Lancs
Alonza, Son, 10, Burnley
Oscar, Son, 8, Burnley
Gwendoline, Daur, 6. Burnley
Doris, 11 months, Liverpool
Regards,
Mo