Yes looks like she was born at a Mill - Maestyle Mill is where they are in 1841. Maestyle Mill is next to Maestyle and a few properties away from Rhydyfallen isaf (which could also be known as Rhydfallen fach - the lesser of two listed with same name, althouh there appears top be at least one other a middle farm on later maps).
James the blacksmith and Mary both 30 born in county, with 3 daughters Mary aged 8, Anne aged 5 and Elinor aged 4.
The enumerated properties after their address and the all lead up northwards to Maes y Pwll, Penybanc and up towards Capel y Wern, Maes yr Hen Arth.
Haven't yet found a baptism for Elenor.