Rotherham striker Ellison has joined the Bantams in a swap deal, with Bradford winger Omar Daley going in the opposite direction until the end of the season.
Another recent signing, striker Scott Dobie, is also in line for his City debut after arriving last week from St Johnstone in time for the postponed game at Macclesfield.
Skipper Simon Ramsden is hoping to make his first appearance since August at right-back after being sidelined due to a hip/calf injury, with Richard Eckersley having returned to parent club Burnley earlier this week.
Central defender Steve Williams was back in full training this week for the first time since January following a hamstring injury and is also set to boost Taylor's squad as Bradford chase their first win in seven league matches.
Source: PA
Source: PA