Is it appropriate to name your children after relatives who were not Frum? Assuming that the relatives were good people and would fall under the category of "tinok sh'nishba". Would it be better to add an additional name along with the relatives?
From an answer at Jewishanswers.org, I see that
If I understand the answer correctly, it would be appropriate in this case to ensure that only some aspect of the name is preserved in the name of the child.