Selkie would b a better name than Merrow. Could maybe even be altered to Selka which I'm kind of digging.
Merrow sounds just like marrow, as in bone marrow for me. It's unattractive as a name.
“She’s mad, but she’s magic. There’s no lie in her fire.” -
Charles Bukowski
http://www.behindthename.com/pnl/147561http://www.babynames.com/namelist/9852886