partner-contact/base_contact_function_partner_firstname/res_partner_view.xml

<?xml version = "1.0" encoding="utf-8"?>
<openerp>
  <data>

    <!--Redefine this part of view from firstname_partner module -->
    <record id="view_partner_form_firstname_inherit11" model="ir.ui.view">
      <field name="name">res.partner.form.firstname.inherit11</field>
      <field name="model">res.partner</field>
      <field name="inherit_id" ref="partner_firstname.view_partner_form_firstname"/>
      <field name="arch" type="xml">
        <!--Redefine firstname field in view partner-->
        <field name="firstname" position="replace">
          <group attrs="{'invisible': [('is_company', '=', True)]}">
            <field name="firstname"/>
          </group>
        </field>
        <!--Redefine firstname field in contact view-->
        <xpath expr="//form[@string='Contact']/sheet/div//field[@name='firstname']" position="replace">
          <field name="firstname" attrs="{'invisible': [('contact_type', '=', 'attached')]}"/>
        </xpath>
      </field>
    </record>

    <!--Replace name by full name in kanban view-->
    <record id="view_partner_form_firstname_inherit11" model="ir.ui.view">
      <field name="model">res.partner</field>
      <field name="inherit_id" ref="base_contact_function.view_contact_by_function_form"/>
      <field name="arch" type="xml">
        <xpath expr="//field[@name='other_contact_history_ids']/kanban//field[@name='name']" position="replace">
          <field name="lastname"/>
        </xpath>
        <xpath expr="//field[@name='other_contact_history_ids']/kanban/templates//t[@t-name='kanban-box']//div[@class='oe_kanban_details']//field[@name='name']"
               position="before">
          <field name="firstname"/>
        </xpath>
        <!--Display firstname and name after Image-->
        <xpath expr="//field[@name='other_contact_history_ids']/form[@string='Contact']/sheet//field[@name='image']"
               position="after">
          <h1>
            <field name="contact_id" style="width: 70%%" readonly="1"/>
          </h1>
        </xpath>
      </field>
    </record>

    <!--Display firstname and name in kanban view for other position -->
    <record id="view_partner_form_firstname_name" model="ir.ui.view">
      <field name="name">res.partner.form.firstname.name</field>
      <field name="model">res.partner</field>
      <field name="inherit_id" ref="base_contact_function.view_position_info_form"/>
      <field name="arch" type="xml">

        <xpath expr="//field[@name='other_contact_ids']/form//field[@name='name']"
               position="replace"/>

        <xpath expr="//field[@name='other_contact_ids']/form//field[@name='image']"
               position="after">
          <h1>
            <field name="contact_id" style="width: 70%%" readonly="1"/>
          </h1>
        </xpath>

        <!-- Don't display the label field -->
        <xpath expr="//field[@name='other_contact_ids']/form//label[@for='name']"
               position="replace"/>

        <!-- Add firstname before name in templates view -->
        <xpath expr="//t[@t-name='kanban-box']//div[@class='oe_kanban_details']/h4[@class='oe_partner_heading']//field[@name='name']"
               position="before">
          <field name="firstname"/>
        </xpath>

      </field>
    </record>
  </data>
</openerp>