Available evidence from multiple reliable sources indicates that the claim that shooters in Uvalde, Denver, Georgia, Nashville, Colorado, Aberdeen, Minnesota, Iowa, and Philadelphia were transgender or gender fluid is false.
Uvalde, Denver, Georgia, Nashville, Colorado, Aberdeen, Minnesota, Iowa, Philadelphia shooters were transgender or gender fluid.

FACT FOCUS: No 'incredible rise' in transgender shooters | AP News
Source: apnews.com
Key Evidence
Northeastern University and AP News fact-checks confirm no incredible rise in transgender shooters and that most mass shooters are cisgender males.
cssh.northeastern.educssh.northeastern.eduFACT FOCUS: No 'incredible rise' in transgender shooters
apnews.comapnews.comFACT FOCUS: No 'incredible rise' in transgender shooters
Reuters fact-check clarifies that transgender or non-binary individuals represent a minority of mass shooting suspects.
reuters.comreuters.comFact Check: Majority of US mass shooters are cis men, not transgender or...
Media analysis shows disproportionate focus on transgender identity when present but no evidence of majority status among shooters.
mdpi.commdpi.comThe Covenant School Shooting: Media Coverage and Backlash against the...
What the Evidence Shows
Multiple fact-checking and news organizations have examined the claim that there has been a significant rise in transgender or gender fluid mass shooters and found it to be baseless. Sources such as Northeastern University, The Peterborough Examiner, Reuters, and AP News consistently report that the overwhelming majority of mass shooters in the United States are cisgender males, not transgender or non-binary individuals.cssh.northeastern.educssh.northeastern.eduFACT FOCUS: No 'incredible rise' in transgender shooters
reuters.comreuters.comFact Check: Majority of US mass shooters are cis men, not transgender or...+2 more
The narrative linking multiple high-profile shootings across various states to transgender or gender fluid identities is not supported by verified data. For example, the Nashville shooter was identified as transgender, which sparked some misinformation narratives; however, this case is an outlier rather than indicative of a broader trend.thepeterboroughexaminer.comthepeterboroughexaminer.comFACT FOCUS: No ‘incredible rise’ in transgender shooters
apnews.comapnews.comFACT FOCUS: No 'incredible rise' in transgender shooters+1 more
Other shootings mentioned in the claim (Uvalde, Denver, Georgia, Colorado, Aberdeen, Minnesota, Iowa, Philadelphia) do not have credible evidence linking the shooters to being transgender or gender fluid. The sources reviewed do not confirm such identities for these individuals.
Some opinion or commentary pieces discuss the frequency of transgender mass shooters but do not provide evidence supporting a widespread pattern. Instead, they highlight that such cases are rare and often sensationalized.shootingnewsweekly.comshootingnewsweekly.comCan We At Least Be Honest About the Frequency of Transgender Mass Shooters?
Media coverage analysis shows that when shooters are transgender, media attention often focuses heavily on this aspect; however, this does not translate into a majority or significant rise in such cases.mdpi.commdpi.comThe Covenant School Shooting: Media Coverage and Backlash against the...
Overall, the claim conflates isolated incidents with a broad pattern unsupported by data. Reliable sources emphasize that most mass shooters are cisgender men and caution against spreading misleading narratives about transgender individuals.
Therefore, based on multiple independent and reliable sources, the claim is false.