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Below is a transcription of her civil birth record. She was actually born 11/22/1887 but the birth was registerd in early 1888. Families had 30 days to register a birth or face a fine but I presume the registrar was lenient because of Christmas etc. Below the transcript is the index record. if you want a copy of the record, you have to write to the General Register Office. A copy costs around 4 euros and I can provide instuctions if you need them.
Name:Cassie HughesDate of Birth:22-Nov-1887
Registration Date:1-Jan-0Address:CrevinParish/District:MOUNTCHARLESGender:FemaleCountyCo. Donegal
Father:James HughesMother:Ellen BroganOccupation:Farmer
First name(s)CassieLast nameHughesRegistration year1888Registered quarter/yearJan - Mar 1888Registration districtDonegalVolume2Page38