Which Douglas line are you researching? Dates and places help making connections.
Mary Douglas - unknown line. b 1 Jan 1837, Scotland. A Roman Catholic. Emigrated to N America. 1st husband was a McDonald, died before 1865 in N America. First record in USA, marriage license for 2nd husband, Jan 1865, Washington, DC. Married Hiram Moe Haskell, 5 Feb 1865, St Matthew RC Church. Appears in 1870 MD and 1880 PA US Census. Three children. Died 4 Jan 1889, Chester, PA, USA. 2nd husband has Puritan/ Huguenot ancestry. DNA tests are pointing to Glasgow and NW Ireland. Maternal-paternal-maternal-maternal, great great grandmother. Family tradition, a link to the Black Watch Regt.
The more information you can give about the people you mention, the more chance there is of someone else connecting with your family.
Dates and places of births, deaths and marriages all help to place families.
Professions also help.
'My great-grandmother mother was a Douglas from Montrose' does not give many clues to follow up! But a bit of flesh on the bones makes further research possible. But if we are told who she married, what his profession was and where the children were baptised, then we can get to work.
Maybe it is time to update the information in your profile?