The Ukrainian Catholic Archeparchy of Philadelphia, led by Archbishop Borys Gudziak, is also requesting donations and has a link to donate via Paypal: https://ukrarcheparchy.us/donate Alternatively, donations can be mailed to: Archeparchy of Philadelphia 810 North Franklin Street Philadelphia, PA 19123 Checks should be made out to the Archeparchy of Philadelphia and must include the memo line indicating it is for Ukrainian support.
A pontifical agency is also taking donations for Ukraine the Catholic Near East Welfare Association. Donations can be made online at the link: https://cnewa.org/campaigns/ukraine/ or sent to the address below: Catholic Near East Welfare Association 1011 First Avenue New York, NY 10022-4195 Checks should be made payable to CNEWA and memo line must include Ukraine.
The Knights of Columbus launched the Ukraine Solidarity Fund for humanitarian needs in Ukraine and through refugee sites in Poland https://www.kofc.org/secure/en/donate/ukraine.html. If sending a mailed donation, please mail check to: Knights of Columbus Charities, Inc. P.O. Box 1966 New Haven, CT 06510-1966 Checks should be made payable to Knights of Columbus Charities, Inc and write Ukraine Solidarity Fund in the memo line.