Looking on the internet deeply has found these results:

everyone is welcome at our church is the most popular phrase on the web.

everyone is welcome in our church 115,500 results on the web	everyone is welcome at our church 120,900 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Sienna said it's a place where everyone is welcome. Everyone is welcome here at any time of night or day. No, everyone is welcome at a wedding. Master says that everyone is welcome. Anyone with sugar is welcome in my house. Christianity is welcome in my kingdom. The idea is that everyone is welcome to work on agreed conditions. Apparently any man is welcome in this house.	But everyone is welcome here, and all must be cherished. No, everyone is welcome at a wedding. The idea is that everyone is welcome to work on agreed conditions. negligible percentage of the European Union's labour force, making illegal immigration a concern. Master says that everyone is welcome. Everyone is welcome here at any time of night or day. Sienna said it's a place where everyone is welcome. I feel that this legislative initiative is welcome at a time when workers from third countries account for a non

everyone is welcome in our church

115,500 results on the web

everyone is welcome at our church

120,900 results on the web

More popular!

But everyone is welcome here, and all must be cherished.
No, everyone is welcome at a wedding.
The idea is that everyone is welcome to work on agreed conditions.
negligible percentage of the European Union's labour force, making illegal immigration a concern.
Master says that everyone is welcome.
Everyone is welcome here at any time of night or day.
Sienna said it's a place where everyone is welcome.
I feel that this legislative initiative is welcome at a time when workers from third countries account for a non