Hello Colleen and welcome to Wikitree. I see you have made profiles for Myra's parents. I had a look using GRO index [https://www.gro.gov.uk/gro/content/certificates/indexes_search.asp
] and FreeBMD [https://www.freebmd.org.uk/cgi/search.pl
] and there is quite a lot more info to be found about them. I suggest you also have a look using FamilySearch.
Caroline Anne Dommett Dawe, born 1850 June Qtr, Axminster Union Vol 10 page 3. Mother's maiden name Dommett. ( GRO ref )
Caroline's parents : William Dawe married Mary Dommett, Dec Qtr 1842, Axminster Vol 10 page 1. ( FreeBMD )
Caroline Anne D. Dawe married Walter Horwood 1871 Dec Qtr. Exeter, vol 5b, page 201. ( FreeBMD ).
Walter Horwood born 1845 March Qtr , Andover, vol 7 , page 44. Mother's maiden name: Bungard ( probably Burgard - see below ) from GRO index.
Walter's parents: Sarah Burgard married William Horwood 1840, June Qtr at Alton ( Hampshire ) Vol 7 page 37. (FreeBMD).
There are some Devon "Dommett" profiles already on Wikitree, but not this Mary Dommett. It may be worth looking at these for possible connections to the main tree.