Hello, yes, this is a version of Modified Roman Semi-Sans, where some modifications to the letters have been removed by the stencil-cutter, including the removal of most of the serifs. Typically this was done using the Spacerite Modified Roman letters as the base alphabet, as in the version available here in the font shop: https://www.monumentletteringcenter.com/product/mlc-modified-roman-semi-sans/
However, in your photo it appears that a bolder version, likely a plastic stencil press alphabet was used. You’ll have to do a custom match for this one, or if you’d like you can use the MLC inscription matching service: https://www.monumentletteringcenter.com/product/cemetery-inscription-matching-service/