Several hundred gathered in San Antonio's Main Plaza to call for reuniting immigrant parents with their children.
Most of the donations have gone toward serving children who have been separated from their parents after crossing the southern U.S. border.
The nonprofit RAICES plans to use the funding to hire more attorneys and fund its existing programs and services.
McManus' handling of of a Dec. 23 human smuggling case involving 12 migrants in a tractor-trailer has drawn criticism from local and state leaders.
Immigrants' rights supporters arrived at Milam Park on Friday afternoon to march in protest against the provisions of SB 4 and possible changes to DACA.
Garcia's ruling, which blocked Senate Bill 4, came just two days before the "sanctuary cities" law was set to go into effect.
With Harvey approaching, immigrant women and children were left stranded at the downtown bus station by immigration authorities as bus service was canceled.
The victims, most hailing from Mexico and Guatemala, paid smugglers thousands of dollars to travel north from the Mexican border to San Antonio.
A memorial service quickly turned political amid a rancorous statewide debate over Senate Bill 4, the so-called "sanctuary cities" bill.
Quakers believe that all people have attributes of God within themselves with which they can connect, if they become attentive enough.