Romos de Encarnacion de Diaz, Jalisco

I am having trouble finding my husbands ancestors. There are so many Romos in Encarnacion it gets confusing. So far I have his Grandfather Jesus Romo born 1873 in Encarnacion. GGrandfather Salvador Romo born 1849 married Manuela Romo born 1861 they married Sept 1877. Their children: Jose de Jesus 1879, Jose 1883, Maria Concepcion 1889,Ma. Guadalupe 1892 and Manuel 1894. GG grandfather on fathers side (Salvador Romo) is Francisco Romo, GG grandmother Benigna Cornejo - married August 1847 Their childre: Salvador 1849, Trinidad 1851, Joaquin 1854.
Manuela Romo's parents: Pableo Romo and Paula Perez
I have not been able to find birth record for Francisco Romo (GGG) Any help would be appreciated. We are having a Romo family reunion in October and I would like to have as much info as possible.

My mothers Mom was also a Romo from La Chona the only info I have on Crecencia Romo is that she had a sister named Maria. She was born between 1883-1886??

Any help or ideas would be greatly appreciated
Aurora DeAnda Romo