▁and ▁afterwards , ▁the ▁population ▁of ▁El ▁Pas o ▁grew ▁quickly . ▁ ▁The ▁first ▁resident ▁of ▁Seg undo ▁Bar rio ▁was ▁a ▁camp es ino , ▁or ▁farm ▁worker , ▁named ▁Santiago ▁Al var ado , ▁who ▁received ▁a ▁Mexican ▁land ▁grant ▁to ▁farm ▁the ▁area ▁in ▁ 1 8 3 4 . ▁ ▁During ▁the ▁Mexican ▁Revolution , ▁many ▁people ▁fled ▁the ▁country , ▁imm igr ating ▁into ▁El ▁Seg undo ▁Bar rio . ▁We alth ier ▁migr ants ▁continued ▁north , ▁while ▁the ▁poor ▁remained ▁in ▁the ▁bar rio . ▁Revolution aries , ▁sp ies ▁and ▁journal ists ▁lived ▁in ▁Seg undo ▁Bar rio ▁during ▁the ▁revolution . ▁Francisco ▁Mad ero ▁lived ▁in ▁different ▁houses ▁in ▁the ▁neighborhood ▁while ▁he ▁was ▁working ▁on ▁a ▁plan ▁to ▁defeat ▁P orf i rio ▁Dí az . ▁Pan cho ▁Villa ▁also ▁visited ▁El ▁Seg undo ▁Bar rio , ▁e ating ▁ice ▁cre am ▁at ▁the ▁local ▁El ite ▁Con fection ary . ▁ ▁In ▁the ▁ 1 9 3 0 s , ▁the ▁bar rio ▁was ▁over c row ded , ▁with ▁residents ▁living ▁in ▁pres id ios ▁or ▁ten ements . ▁Progress ▁on ▁upgrad ing ▁housing ▁had ▁still ▁not ▁been ▁improved ▁by ▁the ▁ 1 9 5 0 s . ▁In ▁the ▁ 1 9 5 0 s , ▁it ▁was ▁recorded ▁that ▁there ▁were ▁still ▁" more ▁than ▁ 1 2 , 0 0 0 ▁sub standard ▁dwell ing ▁units ▁in ▁the ▁area , ▁an ▁average ▁of ▁seven ▁families ▁per ▁to