It happened around 9 p.m. on Scott street near Barberry in Southeast Houston.
A 22-year-old man died from his injuries. The 2-year-old was shot in the leg, and in total, five people were shot.
Police said the party consisted of about 200 to 300 people.
"Five different weapons passed off, so trying to put it all together," said Commander Ron Borza.
Investigators said they were talking to one person of interest.
BREAKING: Houston police tell me a baby is among the multiple people shot in Sunnyside tonight. Neighbors tell me someone shot up a block party near Scott street. Live report now on @abc13houston pic.twitter.com/rvAO6Pouj8— Stefania Okolie (@StefaniaOnABC13) May 31, 2020
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