I know a few ppl here who would be ever so greatful if you took one for the team here:
Tacos Del Lago
822 Clark Street
That's all I know about in Evanston.
As far as getting something further north in the CITY, you have a few options I know about:
2213 W. Montrose Ave.
And La Palapita (same owners and food as Las Asadas and La Pasadita
)4263 N Milwaukee Ave,