The Weaver/Tromans connection (see posts 13 and 16) is confirmed by the 1891 census, which finds Maria Weaver (married) and three children with her parents (Tromans) in Rowley Regis. See post by 'mallosa' on 12 January 2009, 1.02 a.m., in this thread from another forum:

https://www.
genealogyforum.co.uk/forum/viewtopic.php?t=943

Perhaps her husband had already gone to the USA, and she followed later with the children?