Armenian Given Names (Male / Female)
Behind the Name
Croatian Female Given Names
Croatian Male Given Names
Eastern Slavic Naming Customs and Patronymics
English Equivalents of Foreign Given Names (Paul M. Kankula)
English to Russian (Transliterating English to Russian)
Female Given Names in Multiple Languages
First Name Meanings
Given Name Equivalents
Given Name Equivalents – English to Hebrew, Yiddish, Russian, Greek, Japanese, and Arabic

Hebrew and Russian Female Given Names Transliterated chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.jewishgen.org/ukraine/files/infosheets/_L_Handwritten_Samples_of_Female_Given_Names.pdf
Hebrew and Russian Male Given Names Transliterated chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://www.jewishgen.org/ukraine/files/infosheets/_L_Handwritten_Samples_of_Male_Given_Names.pdf

Latin Baby Names
Male Given Names in Multiple Languages
Name Day Calendar
Names and Patrons
Polish Given Names (Male and Female)
Polish Name Days
Polish to Russian – Given Names (Cursive – Male and Female)
Serbian Given Names (Male and Female)
Słownik Imion – Wanda Janowowa, et. al., 1975 (Given names in 25 languages; FHC fiche 6000839 or call # 940 D4si). 
Translate First Names (FamilySearch Blog)