Trying to Find Parents of My Grndmother Mary Ellen Raby Born IN 1881

trying to find parents of my grndmother
mary ellen raby born in 1881
shows up on the nh census 1900
supposed to have been born in texas
moved to ontario then backto nh and got married to john graham childs
1902 in concord nh
then moved to new brunswick died in 1919
any info would be appreciated