Registration #043414, Oct 13, 1900, Rosa Jane NODWELL, female, father William H. Nodwell, farmer, mother Rosa Jane YOUNG. Informant Wm. H. Nodwell. Registered Dec 13, 1900. Accoucheur Dr. Gibson

On the census for 1901, Erin, it lists her birth date as Oct. 15, 1900.

Cemetery transcription for Huxley Cemetery, page 33, grave 17-10, Our Darling/ Rosa Jane/ Daughter of/ Wm. H. & Rosa Jane/ Nodwell/ Born Aug. 13, 1900/ Died May 12, 1901/

Cemetery transcription for Huxley Cemetery, page 34, grave 18-13, Our Darling/ Rosa Jane/ Daughter of/ Wm. H. & Rosa Jane/ Nodwell/ Born Oct. 13, 1900/ Died May 12, 1901/ 

I have no idea what this is all about, have never heard of someone having 2 birthdays.

Vital Statistics index for deaths Ontario 0901, registration #028774-01.  Copy on file.