Why does my husband not want to get married by law?

Hello everyone.
Me and my husband have been married (by church) for a little over 2 years now.
we also have a baby girl who is a few months old.
I’d love for all of us to share the same last name as my husband and our baby do. I feel a little outcasted. I have been convincing my husband for the past 2 years to get a marriage license but he has been refusing over and over. No reason is given really.

It makes me feel horrible. He asked me to marry him, we got engaged. Got married in church, but he never wanted a civil wedding.

Can someone please give me advice on what to do and if this is ever normal

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Anyone else? :(
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To all the men: imagine you are him, what would your reasoning be? Should I be concerned or am I being dramatic?
Why does my husband not want to get married by law?
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