Polly Wild-McGregor opened the scoring after just six minutes before Ellis bagged her treble, as Jordan Parry’s side made it six wins from six games in the league this season.
Second-place Llandudno remain three points behind the Nomads following a 5-2 home victory against Rhyl 1879.
Maddie Williams, Stacey Tradewell and Kelsey Davies all found the net in the first half before substitute Ella Jones scored a brace after the break. Rhyl’s two goals came in the space of nine second half minutes from Sade Benjamin and Laura Williams.
NFA earned their first ever win in the Genero Adran North by defeating Llanfair United 4-2 at Fford Derwen Playing Fields.
Jess Mills and substitute Amy Webster both scored twice in the victory, as NFA climbed to fifth in the table and left Llanfair sitting bottom.
There was also a first Genero Adran North victory for Bangor, who were 1-0 winners away at Airbus UK Broughton.
The decisive moment came in the 32nd minute when Mia Roberts marked her first league start of the season by finishing off an impressive team move.
Genero Adran North results:
Airbus UK Broughton 0-1 Bangor
Felinheli 0-4 Connah’s Quay Nomads
Llandudno 5-2 Rhyl 1879
NFA 4-2 Llanfair United
